./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-14 03:52:09,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:52:09,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:52:09,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:52:09,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:52:09,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:52:09,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:52:09,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:52:09,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:52:09,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:52:09,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:52:09,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:52:09,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:52:09,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:52:09,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:52:09,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:52:09,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:52:09,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:52:09,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:52:09,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:52:09,138 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:52:09,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:52:09,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:52:09,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:52:09,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:52:09,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:52:09,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:52:09,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:52:09,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:52:09,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:52:09,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:52:09,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:52:09,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:52:09,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:52:09,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:52:09,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:52:09,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:52:09,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:52:09,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:52:09,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:52:09,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:52:09,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:52:09,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:52:09,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:52:09,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:52:09,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:52:09,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:52:09,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:52:09,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:52:09,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:52:09,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:52:09,181 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:52:09,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:52:09,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:52:09,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:52:09,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:52:09,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:52:09,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:52:09,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:52:09,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:52:09,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:52:09,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:52:09,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-14 03:52:09,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:52:09,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:52:09,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:52:09,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:52:09,420 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:52:09,421 INFO L432 ainManager$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 [2022-07-14 03:52:09,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da838b7d3/f1e4fe10eaf344ee9f0909c10d16befa/FLAG2e384097b [2022-07-14 03:52:10,224 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:52:10,225 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 [2022-07-14 03:52:10,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da838b7d3/f1e4fe10eaf344ee9f0909c10d16befa/FLAG2e384097b [2022-07-14 03:52:10,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da838b7d3/f1e4fe10eaf344ee9f0909c10d16befa [2022-07-14 03:52:10,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:52:10,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:52:10,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:52:10,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:52:10,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:52:10,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:52:10" (1/1) ... [2022-07-14 03:52:10,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e47f68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:10, skipping insertion in model container [2022-07-14 03:52:10,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:52:10" (1/1) ... [2022-07-14 03:52:10,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:52:10,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:52:13,864 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] [2022-07-14 03:52:13,866 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] [2022-07-14 03:52:13,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:52:13,906 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:52:14,067 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) [2022-07-14 03:52:14,079 INFO L158 Benchmark]: Toolchain (without parser) took 3630.11ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 67.9MB in the beginning and 74.9MB in the end (delta: -7.1MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2022-07-14 03:52:14,080 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 63.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:52:14,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3628.77ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 67.5MB in the beginning and 74.9MB in the end (delta: -7.5MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2022-07-14 03:52:14,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 63.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3628.77ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 67.5MB in the beginning and 74.9MB in the end (delta: -7.5MB). Peak memory consumption was 87.7MB. 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-?-f4b24e3 [2022-07-14 03:52:15,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:52:15,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:52:15,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:52:15,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:52:15,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:52:15,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:52:15,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:52:15,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:52:15,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:52:15,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:52:15,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:52:15,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:52:15,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:52:15,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:52:15,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:52:15,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:52:15,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:52:15,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:52:15,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:52:15,698 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:52:15,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:52:15,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:52:15,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:52:15,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:52:15,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:52:15,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:52:15,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:52:15,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:52:15,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:52:15,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:52:15,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:52:15,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:52:15,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:52:15,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:52:15,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:52:15,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:52:15,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:52:15,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:52:15,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:52:15,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:52:15,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:52:15,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:52:15,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:52:15,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:52:15,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:52:15,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:52:15,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:52:15,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:52:15,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:52:15,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:52:15,753 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:52:15,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:52:15,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:52:15,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:52:15,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:52:15,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:52:15,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:52:15,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:52:15,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:52:15,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:52:15,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:52:15,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:52:15,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:52:15,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:52:15,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:52:15,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:52:15,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:52:15,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:52:15,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:52:15,758 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:52:15,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:52:15,758 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:52:15,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:52:15,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:52:15,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:52:15,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-14 03:52:16,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:52:16,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:52:16,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:52:16,100 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:52:16,101 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:52:16,102 INFO L432 ainManager$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 [2022-07-14 03:52:16,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff2613c6e/2512a785a4bb49e88a2fab8da24a8d53/FLAG7aa9ca2e8 [2022-07-14 03:52:16,838 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:52:16,838 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 [2022-07-14 03:52:16,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff2613c6e/2512a785a4bb49e88a2fab8da24a8d53/FLAG7aa9ca2e8 [2022-07-14 03:52:17,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff2613c6e/2512a785a4bb49e88a2fab8da24a8d53 [2022-07-14 03:52:17,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:52:17,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:52:17,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:52:17,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:52:17,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:52:17,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:52:17" (1/1) ... [2022-07-14 03:52:17,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6863213b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:17, skipping insertion in model container [2022-07-14 03:52:17,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:52:17" (1/1) ... [2022-07-14 03:52:17,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:52:17,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:52:20,387 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] [2022-07-14 03:52:20,389 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] [2022-07-14 03:52:20,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:52:20,427 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:52:20,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:52:20,746 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] [2022-07-14 03:52:20,747 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] [2022-07-14 03:52:20,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:52:20,804 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:52:21,172 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] [2022-07-14 03:52:21,173 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] [2022-07-14 03:52:21,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:52:21,301 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:52:21,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21 WrapperNode [2022-07-14 03:52:21,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:52:21,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:52:21,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:52:21,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:52:21,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,609 INFO L137 Inliner]: procedures = 547, calls = 2779, calls flagged for inlining = 243, calls inlined = 223, statements flattened = 6584 [2022-07-14 03:52:21,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:52:21,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:52:21,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:52:21,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:52:21,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:52:21,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:52:21,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:52:21,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:52:21,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (1/1) ... [2022-07-14 03:52:21,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:52:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:52:21,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:52:21,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2022-07-14 03:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2022-07-14 03:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:52:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2022-07-14 03:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2022-07-14 03:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 03:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 03:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2022-07-14 03:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2022-07-14 03:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:52:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2022-07-14 03:52:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2022-07-14 03:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 03:52:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 03:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2022-07-14 03:52:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2022-07-14 03:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:52:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2022-07-14 03:52:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2022-07-14 03:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2022-07-14 03:52:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2022-07-14 03:52:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:52:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2022-07-14 03:52:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2022-07-14 03:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:52:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2022-07-14 03:52:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2022-07-14 03:52:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 03:52:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 03:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:52:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-14 03:52:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-14 03:52:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-14 03:52:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-14 03:52:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:52:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-14 03:52:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-14 03:52:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:52:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:52:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2022-07-14 03:52:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2022-07-14 03:52:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:52:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 03:52:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 03:52:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:52:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:52:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2022-07-14 03:52:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2022-07-14 03:52:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2022-07-14 03:52:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2022-07-14 03:52:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 03:52:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 03:52:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:52:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:52:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:52:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:52:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:52:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:52:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:52:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:52:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_84 [2022-07-14 03:52:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_84 [2022-07-14 03:52:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 03:52:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 03:52:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:52:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:52:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-07-14 03:52:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-07-14 03:52:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-14 03:52:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-14 03:52:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:52:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:52:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:52:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:52:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2022-07-14 03:52:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2022-07-14 03:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:52:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:52:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2022-07-14 03:52:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2022-07-14 03:52:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2022-07-14 03:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2022-07-14 03:52:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2022-07-14 03:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2022-07-14 03:52:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2022-07-14 03:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2022-07-14 03:52:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 03:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 03:52:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 03:52:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 03:52:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:52:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:52:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2022-07-14 03:52:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2022-07-14 03:52:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2022-07-14 03:52:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2022-07-14 03:52:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2022-07-14 03:52:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2022-07-14 03:52:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:52:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:52:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:52:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:52:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:52:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2022-07-14 03:52:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2022-07-14 03:52:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 03:52:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 03:52:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 03:52:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 03:52:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:52:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:52:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:52:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:52:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:52:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2022-07-14 03:52:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-14 03:52:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:52:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:52:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2022-07-14 03:52:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2022-07-14 03:52:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 03:52:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 03:52:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:52:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:52:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 03:52:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 03:52:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:52:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:52:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2022-07-14 03:52:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2022-07-14 03:52:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2022-07-14 03:52:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2022-07-14 03:52:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2022-07-14 03:52:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2022-07-14 03:52:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2022-07-14 03:52:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2022-07-14 03:52:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:52:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:52:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:52:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2022-07-14 03:52:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-14 03:52:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:52:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2022-07-14 03:52:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2022-07-14 03:52:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2022-07-14 03:52:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2022-07-14 03:52:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2022-07-14 03:52:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2022-07-14 03:52:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 03:52:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 03:52:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2022-07-14 03:52:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2022-07-14 03:52:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2022-07-14 03:52:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2022-07-14 03:52:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:52:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:52:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:52:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:52:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:52:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:52:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:52:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:52:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:52:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:52:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2022-07-14 03:52:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2022-07-14 03:52:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2022-07-14 03:52:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2022-07-14 03:52:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 03:52:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 03:52:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-14 03:52:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-14 03:52:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2022-07-14 03:52:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2022-07-14 03:52:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:52:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2022-07-14 03:52:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 03:52:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:52:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2022-07-14 03:52:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2022-07-14 03:52:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2022-07-14 03:52:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 03:52:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 03:52:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-14 03:52:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-14 03:52:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 03:52:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 03:52:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:52:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:52:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:52:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2022-07-14 03:52:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2022-07-14 03:52:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2022-07-14 03:52:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2022-07-14 03:52:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2022-07-14 03:52:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2022-07-14 03:52:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:52:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2022-07-14 03:52:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2022-07-14 03:52:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 03:52:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 03:52:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:52:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2022-07-14 03:52:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2022-07-14 03:52:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:52:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-14 03:52:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-14 03:52:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:52:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:52:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:52:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:52:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2022-07-14 03:52:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2022-07-14 03:52:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 03:52:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 03:52:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:52:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:52:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 03:52:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:52:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-14 03:52:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 03:52:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-14 03:52:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-07-14 03:52:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_83 [2022-07-14 03:52:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_83 [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2022-07-14 03:52:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-14 03:52:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2022-07-14 03:52:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:52:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:52:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:52:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2022-07-14 03:52:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:52:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:52:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:52:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2022-07-14 03:52:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-14 03:52:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2022-07-14 03:52:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:52:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:52:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2022-07-14 03:52:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-07-14 03:52:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 03:52:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2022-07-14 03:52:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2022-07-14 03:52:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 03:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 03:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2022-07-14 03:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2022-07-14 03:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2022-07-14 03:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2022-07-14 03:52:22,802 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:52:22,805 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:52:23,006 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:52:58,182 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:52:58,677 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:52:58,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:52:58,701 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-14 03:52:58,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:52:58 BoogieIcfgContainer [2022-07-14 03:52:58,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:52:58,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:52:58,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:52:58,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:52:58,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:52:17" (1/3) ... [2022-07-14 03:52:58,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab46df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:52:58, skipping insertion in model container [2022-07-14 03:52:58,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:52:21" (2/3) ... [2022-07-14 03:52:58,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab46df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:52:58, skipping insertion in model container [2022-07-14 03:52:58,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:52:58" (3/3) ... [2022-07-14 03:52:58,712 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-14 03:52:58,721 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:52:58,722 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:52:58,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:52:58,809 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@15433087, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e56b970 [2022-07-14 03:52:58,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:52:58,819 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) [2022-07-14 03:52:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-14 03:52:58,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:52:58,851 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] [2022-07-14 03:52:58,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:52:58,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:52:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1573750035, now seen corresponding path program 1 times [2022-07-14 03:52:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:52:58,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220356781] [2022-07-14 03:52:58,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:52:58,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:52:58,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:52:58,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:52:58,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:53:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:00,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:00,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-14 03:53:00,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:00,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:00,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220356781] [2022-07-14 03:53:00,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220356781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:00,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:00,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:00,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87703375] [2022-07-14 03:53:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:00,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:00,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:00,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:00,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:00,857 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) [2022-07-14 03:53:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:01,519 INFO L93 Difference]: Finished difference Result 7385 states and 10576 transitions. [2022-07-14 03:53:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:01,521 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 [2022-07-14 03:53:01,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:01,571 INFO L225 Difference]: With dead ends: 7385 [2022-07-14 03:53:01,571 INFO L226 Difference]: Without dead ends: 4782 [2022-07-14 03:53:01,595 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 [2022-07-14 03:53:01,600 INFO L413 NwaCegarLoop]: 4411 mSDtfsCounter, 3240 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 7934 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:01,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 7934 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:53:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2022-07-14 03:53:01,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4779. [2022-07-14 03:53:01,890 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) [2022-07-14 03:53:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 6703 transitions. [2022-07-14 03:53:01,924 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 6703 transitions. Word has length 210 [2022-07-14 03:53:01,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:01,926 INFO L495 AbstractCegarLoop]: Abstraction has 4779 states and 6703 transitions. [2022-07-14 03:53:01,926 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) [2022-07-14 03:53:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 6703 transitions. [2022-07-14 03:53:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-14 03:53:01,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:01,939 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] [2022-07-14 03:53:01,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 03:53:02,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:02,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1308225810, now seen corresponding path program 1 times [2022-07-14 03:53:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:02,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995151448] [2022-07-14 03:53:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:02,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:02,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:53:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:03,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 03:53:03,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2022-07-14 03:53:04,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:53:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-07-14 03:53:04,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:04,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995151448] [2022-07-14 03:53:04,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995151448] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:53:04,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:53:04,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-14 03:53:04,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57125314] [2022-07-14 03:53:04,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:53:04,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:53:04,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:53:04,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:53:04,694 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) [2022-07-14 03:53:09,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:09,551 INFO L93 Difference]: Finished difference Result 11571 states and 16496 transitions. [2022-07-14 03:53:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:53:09,552 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 [2022-07-14 03:53:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:09,593 INFO L225 Difference]: With dead ends: 11571 [2022-07-14 03:53:09,593 INFO L226 Difference]: Without dead ends: 6827 [2022-07-14 03:53:09,614 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 [2022-07-14 03:53:09,616 INFO L413 NwaCegarLoop]: 4715 mSDtfsCounter, 2481 mSDsluCounter, 30414 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:09,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 35129 Invalid, 1581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [681 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-14 03:53:09,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2022-07-14 03:53:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 4782. [2022-07-14 03:53:09,791 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) [2022-07-14 03:53:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6706 transitions. [2022-07-14 03:53:09,816 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6706 transitions. Word has length 276 [2022-07-14 03:53:09,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:09,818 INFO L495 AbstractCegarLoop]: Abstraction has 4782 states and 6706 transitions. [2022-07-14 03:53:09,818 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) [2022-07-14 03:53:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6706 transitions. [2022-07-14 03:53:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-14 03:53:09,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:09,826 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] [2022-07-14 03:53:09,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:10,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:10,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:10,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:10,048 INFO L85 PathProgramCache]: Analyzing trace with hash 890829204, now seen corresponding path program 1 times [2022-07-14 03:53:10,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:10,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62838235] [2022-07-14 03:53:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:10,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:10,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:10,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:10,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:53:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:11,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:11,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-07-14 03:53:12,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:12,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:12,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62838235] [2022-07-14 03:53:12,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62838235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:12,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:12,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:12,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714195156] [2022-07-14 03:53:12,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:12,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:12,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:12,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:12,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:12,077 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) [2022-07-14 03:53:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:12,594 INFO L93 Difference]: Finished difference Result 11809 states and 16565 transitions. [2022-07-14 03:53:12,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:12,595 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 [2022-07-14 03:53:12,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:12,635 INFO L225 Difference]: With dead ends: 11809 [2022-07-14 03:53:12,635 INFO L226 Difference]: Without dead ends: 7062 [2022-07-14 03:53:12,654 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 [2022-07-14 03:53:12,658 INFO L413 NwaCegarLoop]: 6681 mSDtfsCounter, 3148 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:12,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 10131 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 03:53:12,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2022-07-14 03:53:12,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 7059. [2022-07-14 03:53:12,858 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) [2022-07-14 03:53:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9892 transitions. [2022-07-14 03:53:12,889 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9892 transitions. Word has length 276 [2022-07-14 03:53:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:12,890 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 9892 transitions. [2022-07-14 03:53:12,891 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) [2022-07-14 03:53:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9892 transitions. [2022-07-14 03:53:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 03:53:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:12,900 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] [2022-07-14 03:53:12,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:13,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:13,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2037188258, now seen corresponding path program 1 times [2022-07-14 03:53:13,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:13,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867698309] [2022-07-14 03:53:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:13,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:13,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:13,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:53:13,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:53:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:14,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:14,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2022-07-14 03:53:15,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:15,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:15,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867698309] [2022-07-14 03:53:15,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867698309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:15,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:15,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:15,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344728733] [2022-07-14 03:53:15,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:15,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:15,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:15,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:15,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:15,073 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) [2022-07-14 03:53:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:15,724 INFO L93 Difference]: Finished difference Result 16744 states and 23446 transitions. [2022-07-14 03:53:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:15,725 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 [2022-07-14 03:53:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:15,787 INFO L225 Difference]: With dead ends: 16744 [2022-07-14 03:53:15,788 INFO L226 Difference]: Without dead ends: 9720 [2022-07-14 03:53:15,816 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 [2022-07-14 03:53:15,818 INFO L413 NwaCegarLoop]: 5950 mSDtfsCounter, 2945 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:15,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 9386 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:53:15,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9720 states. [2022-07-14 03:53:16,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9720 to 9712. [2022-07-14 03:53:16,086 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) [2022-07-14 03:53:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9712 states to 9712 states and 13555 transitions. [2022-07-14 03:53:16,124 INFO L78 Accepts]: Start accepts. Automaton has 9712 states and 13555 transitions. Word has length 288 [2022-07-14 03:53:16,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:16,125 INFO L495 AbstractCegarLoop]: Abstraction has 9712 states and 13555 transitions. [2022-07-14 03:53:16,126 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) [2022-07-14 03:53:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 9712 states and 13555 transitions. [2022-07-14 03:53:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-14 03:53:16,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:16,135 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] [2022-07-14 03:53:16,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:16,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:16,364 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:16,364 INFO L85 PathProgramCache]: Analyzing trace with hash 370337443, now seen corresponding path program 1 times [2022-07-14 03:53:16,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:16,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236277736] [2022-07-14 03:53:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:16,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:16,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:16,369 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) [2022-07-14 03:53:16,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:53:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:18,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:18,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2022-07-14 03:53:18,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:18,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:18,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236277736] [2022-07-14 03:53:18,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236277736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:18,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:18,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:18,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426149508] [2022-07-14 03:53:18,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:18,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:18,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:18,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:18,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:18,247 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) [2022-07-14 03:53:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:18,599 INFO L93 Difference]: Finished difference Result 19668 states and 27404 transitions. [2022-07-14 03:53:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:18,600 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 [2022-07-14 03:53:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:18,670 INFO L225 Difference]: With dead ends: 19668 [2022-07-14 03:53:18,670 INFO L226 Difference]: Without dead ends: 9991 [2022-07-14 03:53:18,708 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 [2022-07-14 03:53:18,708 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 [2022-07-14 03:53:18,709 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] [2022-07-14 03:53:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2022-07-14 03:53:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 9991. [2022-07-14 03:53:19,085 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) [2022-07-14 03:53:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 13895 transitions. [2022-07-14 03:53:19,133 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 13895 transitions. Word has length 308 [2022-07-14 03:53:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:19,133 INFO L495 AbstractCegarLoop]: Abstraction has 9991 states and 13895 transitions. [2022-07-14 03:53:19,133 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) [2022-07-14 03:53:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 13895 transitions. [2022-07-14 03:53:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-14 03:53:19,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:19,148 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] [2022-07-14 03:53:19,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:19,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:19,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash -539694735, now seen corresponding path program 1 times [2022-07-14 03:53:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:19,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725205150] [2022-07-14 03:53:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:19,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:19,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:19,368 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) [2022-07-14 03:53:19,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:53:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:21,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:21,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2022-07-14 03:53:21,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:21,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:21,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725205150] [2022-07-14 03:53:21,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725205150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:21,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:21,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:53:21,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111823322] [2022-07-14 03:53:21,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:21,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:21,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:21,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:21,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:21,333 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) [2022-07-14 03:53:21,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:21,963 INFO L93 Difference]: Finished difference Result 22281 states and 31017 transitions. [2022-07-14 03:53:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:21,964 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 [2022-07-14 03:53:21,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:22,010 INFO L225 Difference]: With dead ends: 22281 [2022-07-14 03:53:22,010 INFO L226 Difference]: Without dead ends: 12542 [2022-07-14 03:53:22,032 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 [2022-07-14 03:53:22,033 INFO L413 NwaCegarLoop]: 6688 mSDtfsCounter, 3165 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 10145 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:53:22,033 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] [2022-07-14 03:53:22,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2022-07-14 03:53:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 12538. [2022-07-14 03:53:22,426 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) [2022-07-14 03:53:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17437 transitions. [2022-07-14 03:53:22,597 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17437 transitions. Word has length 352 [2022-07-14 03:53:22,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:22,598 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17437 transitions. [2022-07-14 03:53:22,598 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) [2022-07-14 03:53:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17437 transitions. [2022-07-14 03:53:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-14 03:53:22,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:22,617 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] [2022-07-14 03:53:22,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:22,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:22,826 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:22,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:22,826 INFO L85 PathProgramCache]: Analyzing trace with hash -291548241, now seen corresponding path program 1 times [2022-07-14 03:53:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:22,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633434800] [2022-07-14 03:53:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:22,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:22,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:22,829 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) [2022-07-14 03:53:22,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:53:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:24,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:24,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:27,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:27,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:27,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633434800] [2022-07-14 03:53:27,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633434800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:27,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:27,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:27,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008981997] [2022-07-14 03:53:27,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:27,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:27,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:27,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:27,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:27,147 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) [2022-07-14 03:53:27,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:27,482 INFO L93 Difference]: Finished difference Result 24824 states and 34649 transitions. [2022-07-14 03:53:27,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:27,482 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 [2022-07-14 03:53:27,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:27,532 INFO L225 Difference]: With dead ends: 24824 [2022-07-14 03:53:27,532 INFO L226 Difference]: Without dead ends: 12538 [2022-07-14 03:53:27,576 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 [2022-07-14 03:53:27,577 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 [2022-07-14 03:53:27,577 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] [2022-07-14 03:53:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-14 03:53:27,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-14 03:53:27,975 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) [2022-07-14 03:53:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17432 transitions. [2022-07-14 03:53:28,091 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17432 transitions. Word has length 352 [2022-07-14 03:53:28,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:28,093 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17432 transitions. [2022-07-14 03:53:28,093 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) [2022-07-14 03:53:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17432 transitions. [2022-07-14 03:53:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-14 03:53:28,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:28,106 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] [2022-07-14 03:53:28,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:28,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:28,332 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:28,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:28,332 INFO L85 PathProgramCache]: Analyzing trace with hash 423858537, now seen corresponding path program 1 times [2022-07-14 03:53:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:28,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4411842] [2022-07-14 03:53:28,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:28,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:28,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:28,336 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) [2022-07-14 03:53:28,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:53:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:30,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:30,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:32,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:32,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:32,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4411842] [2022-07-14 03:53:32,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4411842] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:32,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:32,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560324235] [2022-07-14 03:53:32,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:32,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:32,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:32,738 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) [2022-07-14 03:53:33,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:33,009 INFO L93 Difference]: Finished difference Result 24824 states and 34639 transitions. [2022-07-14 03:53:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:33,010 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 [2022-07-14 03:53:33,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:33,075 INFO L225 Difference]: With dead ends: 24824 [2022-07-14 03:53:33,075 INFO L226 Difference]: Without dead ends: 12538 [2022-07-14 03:53:33,126 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 [2022-07-14 03:53:33,127 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 [2022-07-14 03:53:33,127 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] [2022-07-14 03:53:33,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-14 03:53:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-14 03:53:33,826 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) [2022-07-14 03:53:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17427 transitions. [2022-07-14 03:53:33,889 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17427 transitions. Word has length 353 [2022-07-14 03:53:33,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:33,890 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17427 transitions. [2022-07-14 03:53:33,891 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) [2022-07-14 03:53:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17427 transitions. [2022-07-14 03:53:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-14 03:53:33,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:33,910 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] [2022-07-14 03:53:33,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:34,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:34,131 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:34,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1241148779, now seen corresponding path program 1 times [2022-07-14 03:53:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:34,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789451651] [2022-07-14 03:53:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:34,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:34,135 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) [2022-07-14 03:53:34,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 03:53:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:35,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:35,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:38,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:38,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:38,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789451651] [2022-07-14 03:53:38,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789451651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:38,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:38,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:38,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783474985] [2022-07-14 03:53:38,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:38,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:38,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:38,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:38,659 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) [2022-07-14 03:53:38,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:38,951 INFO L93 Difference]: Finished difference Result 24824 states and 34629 transitions. [2022-07-14 03:53:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:38,956 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 [2022-07-14 03:53:38,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:39,009 INFO L225 Difference]: With dead ends: 24824 [2022-07-14 03:53:39,010 INFO L226 Difference]: Without dead ends: 12538 [2022-07-14 03:53:39,051 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 [2022-07-14 03:53:39,052 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 [2022-07-14 03:53:39,052 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] [2022-07-14 03:53:39,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-14 03:53:39,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-14 03:53:39,449 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) [2022-07-14 03:53:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17422 transitions. [2022-07-14 03:53:39,556 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17422 transitions. Word has length 354 [2022-07-14 03:53:39,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:39,557 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17422 transitions. [2022-07-14 03:53:39,557 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) [2022-07-14 03:53:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17422 transitions. [2022-07-14 03:53:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-07-14 03:53:39,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:39,570 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] [2022-07-14 03:53:39,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-14 03:53:39,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:39,796 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:39,796 INFO L85 PathProgramCache]: Analyzing trace with hash 921859109, now seen corresponding path program 1 times [2022-07-14 03:53:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:39,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850446763] [2022-07-14 03:53:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:39,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:39,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:39,804 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) [2022-07-14 03:53:39,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 03:53:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:41,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:41,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:44,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:44,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:44,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850446763] [2022-07-14 03:53:44,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850446763] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:44,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:44,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101130295] [2022-07-14 03:53:44,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:44,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:44,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:44,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:44,212 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) [2022-07-14 03:53:44,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:44,599 INFO L93 Difference]: Finished difference Result 25379 states and 35239 transitions. [2022-07-14 03:53:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:44,599 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 [2022-07-14 03:53:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:44,644 INFO L225 Difference]: With dead ends: 25379 [2022-07-14 03:53:44,644 INFO L226 Difference]: Without dead ends: 13093 [2022-07-14 03:53:44,680 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 [2022-07-14 03:53:44,680 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 [2022-07-14 03:53:44,681 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] [2022-07-14 03:53:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13093 states. [2022-07-14 03:53:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13093 to 13093. [2022-07-14 03:53:45,086 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) [2022-07-14 03:53:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18037 transitions. [2022-07-14 03:53:45,134 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18037 transitions. Word has length 355 [2022-07-14 03:53:45,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:45,135 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18037 transitions. [2022-07-14 03:53:45,135 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) [2022-07-14 03:53:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18037 transitions. [2022-07-14 03:53:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-14 03:53:45,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:45,153 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] [2022-07-14 03:53:45,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:45,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:45,368 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:45,368 INFO L85 PathProgramCache]: Analyzing trace with hash -271669465, now seen corresponding path program 1 times [2022-07-14 03:53:45,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:45,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040444836] [2022-07-14 03:53:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:45,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:45,372 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) [2022-07-14 03:53:45,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 03:53:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:47,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:47,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:49,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:49,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040444836] [2022-07-14 03:53:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040444836] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:49,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:49,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:49,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134113650] [2022-07-14 03:53:49,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:49,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:49,641 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) [2022-07-14 03:53:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:50,085 INFO L93 Difference]: Finished difference Result 26109 states and 35984 transitions. [2022-07-14 03:53:50,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:50,086 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 [2022-07-14 03:53:50,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:50,137 INFO L225 Difference]: With dead ends: 26109 [2022-07-14 03:53:50,137 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:53:50,171 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 [2022-07-14 03:53:50,171 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 [2022-07-14 03:53:50,171 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] [2022-07-14 03:53:50,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:53:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:53:50,527 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) [2022-07-14 03:53:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18167 transitions. [2022-07-14 03:53:50,690 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18167 transitions. Word has length 356 [2022-07-14 03:53:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:50,692 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18167 transitions. [2022-07-14 03:53:50,692 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) [2022-07-14 03:53:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18167 transitions. [2022-07-14 03:53:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-14 03:53:50,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:50,711 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] [2022-07-14 03:53:50,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:50,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:50,936 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1498167009, now seen corresponding path program 1 times [2022-07-14 03:53:50,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:50,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887921430] [2022-07-14 03:53:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:50,940 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) [2022-07-14 03:53:50,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 03:53:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:52,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:52,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:53:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:53:55,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:53:55,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:53:55,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887921430] [2022-07-14 03:53:55,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887921430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:53:55,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:53:55,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:53:55,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513933818] [2022-07-14 03:53:55,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:53:55,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:53:55,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:53:55,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:53:55,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:53:55,584 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) [2022-07-14 03:53:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:53:56,047 INFO L93 Difference]: Finished difference Result 26284 states and 36109 transitions. [2022-07-14 03:53:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:53:56,047 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 [2022-07-14 03:53:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:53:56,113 INFO L225 Difference]: With dead ends: 26284 [2022-07-14 03:53:56,113 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:53:56,159 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 [2022-07-14 03:53:56,160 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 [2022-07-14 03:53:56,160 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] [2022-07-14 03:53:56,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:53:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:53:56,641 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) [2022-07-14 03:53:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18162 transitions. [2022-07-14 03:53:56,698 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18162 transitions. Word has length 357 [2022-07-14 03:53:56,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:53:56,699 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18162 transitions. [2022-07-14 03:53:56,699 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) [2022-07-14 03:53:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18162 transitions. [2022-07-14 03:53:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-14 03:53:56,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:53:56,712 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] [2022-07-14 03:53:56,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-14 03:53:56,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:53:56,928 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:53:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:53:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash 643039459, now seen corresponding path program 1 times [2022-07-14 03:53:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:53:56,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618707243] [2022-07-14 03:53:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:53:56,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:53:56,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:53:56,952 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) [2022-07-14 03:53:56,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-14 03:53:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:53:58,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:53:58,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:01,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:01,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:01,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618707243] [2022-07-14 03:54:01,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618707243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:01,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:01,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:01,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313698751] [2022-07-14 03:54:01,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:01,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:01,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:01,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:01,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:01,510 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) [2022-07-14 03:54:01,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:01,991 INFO L93 Difference]: Finished difference Result 26284 states and 36099 transitions. [2022-07-14 03:54:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:01,991 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 [2022-07-14 03:54:01,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:02,040 INFO L225 Difference]: With dead ends: 26284 [2022-07-14 03:54:02,040 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:54:02,072 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 [2022-07-14 03:54:02,073 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 [2022-07-14 03:54:02,073 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] [2022-07-14 03:54:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:54:02,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:54:02,436 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) [2022-07-14 03:54:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18157 transitions. [2022-07-14 03:54:02,492 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18157 transitions. Word has length 358 [2022-07-14 03:54:02,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:02,493 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18157 transitions. [2022-07-14 03:54:02,493 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) [2022-07-14 03:54:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18157 transitions. [2022-07-14 03:54:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-14 03:54:02,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:02,505 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] [2022-07-14 03:54:02,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-14 03:54:02,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:02,706 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:02,706 INFO L85 PathProgramCache]: Analyzing trace with hash 18405789, now seen corresponding path program 1 times [2022-07-14 03:54:02,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:02,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669815560] [2022-07-14 03:54:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:02,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:02,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:02,709 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) [2022-07-14 03:54:02,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-14 03:54:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:04,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:04,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:07,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:07,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:07,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669815560] [2022-07-14 03:54:07,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669815560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:07,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:07,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:07,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697063401] [2022-07-14 03:54:07,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:07,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:07,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:07,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:07,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:07,159 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) [2022-07-14 03:54:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:07,593 INFO L93 Difference]: Finished difference Result 26284 states and 36089 transitions. [2022-07-14 03:54:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:07,594 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 [2022-07-14 03:54:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:07,643 INFO L225 Difference]: With dead ends: 26284 [2022-07-14 03:54:07,643 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:54:07,683 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 [2022-07-14 03:54:07,684 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 [2022-07-14 03:54:07,684 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] [2022-07-14 03:54:07,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:54:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:54:08,073 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) [2022-07-14 03:54:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18152 transitions. [2022-07-14 03:54:08,124 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18152 transitions. Word has length 359 [2022-07-14 03:54:08,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:08,125 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18152 transitions. [2022-07-14 03:54:08,125 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) [2022-07-14 03:54:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18152 transitions. [2022-07-14 03:54:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-14 03:54:08,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:08,190 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] [2022-07-14 03:54:08,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-07-14 03:54:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:08,392 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2050852193, now seen corresponding path program 1 times [2022-07-14 03:54:08,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:08,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141212317] [2022-07-14 03:54:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:08,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:08,395 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) [2022-07-14 03:54:08,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-14 03:54:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:10,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:10,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:13,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:13,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:13,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141212317] [2022-07-14 03:54:13,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141212317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:13,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:13,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:13,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137189690] [2022-07-14 03:54:13,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:13,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:13,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:13,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:13,040 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) [2022-07-14 03:54:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:13,575 INFO L93 Difference]: Finished difference Result 26284 states and 36079 transitions. [2022-07-14 03:54:13,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:13,580 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 [2022-07-14 03:54:13,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:13,640 INFO L225 Difference]: With dead ends: 26284 [2022-07-14 03:54:13,640 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:54:13,696 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 [2022-07-14 03:54:13,697 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 [2022-07-14 03:54:13,697 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] [2022-07-14 03:54:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:54:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:54:14,131 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) [2022-07-14 03:54:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18147 transitions. [2022-07-14 03:54:14,184 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18147 transitions. Word has length 360 [2022-07-14 03:54:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:14,185 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18147 transitions. [2022-07-14 03:54:14,185 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) [2022-07-14 03:54:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18147 transitions. [2022-07-14 03:54:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-14 03:54:14,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:14,197 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] [2022-07-14 03:54:14,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-14 03:54:14,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:14,398 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1658823591, now seen corresponding path program 1 times [2022-07-14 03:54:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:14,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130028091] [2022-07-14 03:54:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:14,400 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:14,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:14,402 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) [2022-07-14 03:54:14,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-14 03:54:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:16,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:16,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:18,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:18,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:18,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130028091] [2022-07-14 03:54:18,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130028091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:18,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:18,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:18,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587656758] [2022-07-14 03:54:18,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:18,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:18,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:18,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:18,971 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) [2022-07-14 03:54:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:19,444 INFO L93 Difference]: Finished difference Result 26284 states and 36069 transitions. [2022-07-14 03:54:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:19,445 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 [2022-07-14 03:54:19,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:19,501 INFO L225 Difference]: With dead ends: 26284 [2022-07-14 03:54:19,501 INFO L226 Difference]: Without dead ends: 13268 [2022-07-14 03:54:19,544 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 [2022-07-14 03:54:19,544 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 [2022-07-14 03:54:19,545 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] [2022-07-14 03:54:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-14 03:54:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-14 03:54:19,966 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) [2022-07-14 03:54:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18142 transitions. [2022-07-14 03:54:20,022 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18142 transitions. Word has length 361 [2022-07-14 03:54:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:20,023 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18142 transitions. [2022-07-14 03:54:20,023 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) [2022-07-14 03:54:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18142 transitions. [2022-07-14 03:54:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-14 03:54:20,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:20,036 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] [2022-07-14 03:54:20,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-07-14 03:54:20,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:20,255 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2018645083, now seen corresponding path program 1 times [2022-07-14 03:54:20,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:20,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980024748] [2022-07-14 03:54:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:20,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:20,259 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) [2022-07-14 03:54:20,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-14 03:54:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:22,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:22,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:24,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:24,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:24,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980024748] [2022-07-14 03:54:24,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980024748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:24,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:24,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:24,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853711258] [2022-07-14 03:54:24,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:24,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:24,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:24,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:24,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:24,882 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) [2022-07-14 03:54:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:25,397 INFO L93 Difference]: Finished difference Result 26354 states and 36109 transitions. [2022-07-14 03:54:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:25,398 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 [2022-07-14 03:54:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:25,443 INFO L225 Difference]: With dead ends: 26354 [2022-07-14 03:54:25,443 INFO L226 Difference]: Without dead ends: 13338 [2022-07-14 03:54:25,484 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 [2022-07-14 03:54:25,484 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 [2022-07-14 03:54:25,484 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] [2022-07-14 03:54:25,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-14 03:54:25,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-14 03:54:25,904 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) [2022-07-14 03:54:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18187 transitions. [2022-07-14 03:54:25,953 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18187 transitions. Word has length 362 [2022-07-14 03:54:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:25,953 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18187 transitions. [2022-07-14 03:54:25,953 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) [2022-07-14 03:54:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18187 transitions. [2022-07-14 03:54:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-14 03:54:25,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:25,965 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, 1, 1, 1] [2022-07-14 03:54:26,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-07-14 03:54:26,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:26,191 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash 170573589, now seen corresponding path program 1 times [2022-07-14 03:54:26,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:26,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045086228] [2022-07-14 03:54:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:26,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:26,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:26,196 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) [2022-07-14 03:54:26,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-14 03:54:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:28,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:28,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:30,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:30,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:30,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045086228] [2022-07-14 03:54:30,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045086228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:30,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:30,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134498457] [2022-07-14 03:54:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:30,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:30,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:30,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:30,871 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) [2022-07-14 03:54:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:31,432 INFO L93 Difference]: Finished difference Result 26424 states and 36149 transitions. [2022-07-14 03:54:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:31,433 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 [2022-07-14 03:54:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:31,473 INFO L225 Difference]: With dead ends: 26424 [2022-07-14 03:54:31,473 INFO L226 Difference]: Without dead ends: 13338 [2022-07-14 03:54:31,503 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 [2022-07-14 03:54:31,504 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 [2022-07-14 03:54:31,504 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] [2022-07-14 03:54:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-14 03:54:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-14 03:54:31,926 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) [2022-07-14 03:54:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18182 transitions. [2022-07-14 03:54:31,975 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18182 transitions. Word has length 363 [2022-07-14 03:54:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:31,976 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18182 transitions. [2022-07-14 03:54:31,976 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) [2022-07-14 03:54:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18182 transitions. [2022-07-14 03:54:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-14 03:54:31,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:31,987 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] [2022-07-14 03:54:32,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-07-14 03:54:32,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:32,187 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:32,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:32,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1170551273, now seen corresponding path program 1 times [2022-07-14 03:54:32,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:32,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64082179] [2022-07-14 03:54:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:32,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:32,191 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) [2022-07-14 03:54:32,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-14 03:54:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:33,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:33,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:36,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:36,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:36,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64082179] [2022-07-14 03:54:36,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64082179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:36,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:36,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:36,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281304451] [2022-07-14 03:54:36,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:36,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:36,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:36,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:36,751 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) [2022-07-14 03:54:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:37,254 INFO L93 Difference]: Finished difference Result 26424 states and 36139 transitions. [2022-07-14 03:54:37,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:37,254 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 [2022-07-14 03:54:37,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:37,435 INFO L225 Difference]: With dead ends: 26424 [2022-07-14 03:54:37,435 INFO L226 Difference]: Without dead ends: 13338 [2022-07-14 03:54:37,464 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 [2022-07-14 03:54:37,464 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 [2022-07-14 03:54:37,464 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] [2022-07-14 03:54:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-14 03:54:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-14 03:54:37,907 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) [2022-07-14 03:54:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18177 transitions. [2022-07-14 03:54:37,962 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18177 transitions. Word has length 364 [2022-07-14 03:54:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:37,963 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18177 transitions. [2022-07-14 03:54:37,963 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) [2022-07-14 03:54:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18177 transitions. [2022-07-14 03:54:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-14 03:54:37,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:37,975 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] [2022-07-14 03:54:38,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-07-14 03:54:38,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:38,200 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:38,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:38,200 INFO L85 PathProgramCache]: Analyzing trace with hash 318767569, now seen corresponding path program 1 times [2022-07-14 03:54:38,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:38,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553390067] [2022-07-14 03:54:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:38,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:38,203 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) [2022-07-14 03:54:38,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-14 03:54:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:39,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:54:39,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:42,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:42,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:42,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553390067] [2022-07-14 03:54:42,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553390067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:42,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:42,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:54:42,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519638717] [2022-07-14 03:54:42,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:42,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:54:42,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:42,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:54:42,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:54:42,868 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) [2022-07-14 03:54:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:43,518 INFO L93 Difference]: Finished difference Result 26424 states and 36129 transitions. [2022-07-14 03:54:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:54:43,518 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 [2022-07-14 03:54:43,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:43,580 INFO L225 Difference]: With dead ends: 26424 [2022-07-14 03:54:43,580 INFO L226 Difference]: Without dead ends: 13338 [2022-07-14 03:54:43,624 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 [2022-07-14 03:54:43,626 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 [2022-07-14 03:54:43,626 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] [2022-07-14 03:54:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-14 03:54:44,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-14 03:54:44,158 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) [2022-07-14 03:54:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18172 transitions. [2022-07-14 03:54:44,222 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18172 transitions. Word has length 365 [2022-07-14 03:54:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:44,222 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18172 transitions. [2022-07-14 03:54:44,222 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) [2022-07-14 03:54:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18172 transitions. [2022-07-14 03:54:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-14 03:54:44,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:54:44,236 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] [2022-07-14 03:54:44,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-14 03:54:44,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:44,440 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:54:44,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:54:44,440 INFO L85 PathProgramCache]: Analyzing trace with hash 347396720, now seen corresponding path program 1 times [2022-07-14 03:54:44,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:54:44,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515352348] [2022-07-14 03:54:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:54:44,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:54:44,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:54:44,443 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) [2022-07-14 03:54:44,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-14 03:54:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:54:46,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 03:54:46,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:54:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-14 03:54:46,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:54:46,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:54:46,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515352348] [2022-07-14 03:54:46,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515352348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:54:46,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:54:46,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:54:46,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707863113] [2022-07-14 03:54:46,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:54:46,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:54:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:54:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:54:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:54:46,493 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) [2022-07-14 03:54:47,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:54:47,112 INFO L93 Difference]: Finished difference Result 13348 states and 18192 transitions. [2022-07-14 03:54:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:54:47,113 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 [2022-07-14 03:54:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:54:47,128 INFO L225 Difference]: With dead ends: 13348 [2022-07-14 03:54:47,128 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 03:54:47,172 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 [2022-07-14 03:54:47,173 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 [2022-07-14 03:54:47,173 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] [2022-07-14 03:54:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 03:54:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 03:54:47,174 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) [2022-07-14 03:54:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 03:54:47,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2022-07-14 03:54:47,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:54:47,177 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 03:54:47,178 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) [2022-07-14 03:54:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 03:54:47,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 03:54:47,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 03:54:47,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-07-14 03:54:47,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:54:47,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.