./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-ethernet-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:19:23,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:19:23,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:19:24,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:19:24,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:19:24,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:19:24,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:19:24,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:19:24,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:19:24,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:19:24,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:19:24,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:19:24,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:19:24,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:19:24,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:19:24,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:19:24,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:19:24,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:19:24,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:19:24,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:19:24,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:19:24,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:19:24,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:19:24,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:19:24,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:19:24,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:19:24,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:19:24,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:19:24,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:19:24,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:19:24,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:19:24,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:19:24,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:19:24,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:19:24,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:19:24,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:19:24,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:19:24,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:19:24,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:19:24,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:19:24,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:19:24,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:19:24,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:19:24,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:19:24,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:19:24,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:19:24,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:19:24,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:19:24,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:19:24,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:19:24,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:19:24,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:19:24,181 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:19:24,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:19:24,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:19:24,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:19:24,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:19:24,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:19:24,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:19:24,183 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:19:24,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:19:24,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:19:24,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:19:24,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:19:24,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:19:24,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:19:24,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:19:24,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:19:24,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:19:24,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:19:24,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:19:24,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:19:24,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:19:24,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:19:24,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:19:24,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:19:24,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:19:24,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:19:24,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:19:24,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:19:24,193 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-21 01:19:24,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:19:24,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:19:24,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:19:24,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:19:24,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:19:24,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-21 01:19:24,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/data/9db18b40f/2a3d30ea1ca14449954e2a4ca79b9293/FLAG1458b1033 [2021-11-21 01:19:25,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:19:25,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-21 01:19:25,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/data/9db18b40f/2a3d30ea1ca14449954e2a4ca79b9293/FLAG1458b1033 [2021-11-21 01:19:25,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/data/9db18b40f/2a3d30ea1ca14449954e2a4ca79b9293 [2021-11-21 01:19:25,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:19:25,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:19:25,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:19:25,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:19:25,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:19:26,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:19:25" (1/1) ... [2021-11-21 01:19:26,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3efba46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:26, skipping insertion in model container [2021-11-21 01:19:26,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:19:25" (1/1) ... [2021-11-21 01:19:26,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:19:26,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:19:31,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-21 01:19:31,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-21 01:19:31,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:19:31,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:19:32,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-21 01:19:32,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-21 01:19:32,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:19:33,131 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:19:33,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33 WrapperNode [2021-11-21 01:19:33,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:19:33,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:19:33,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:19:33,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:19:33,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:33,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:33,759 INFO L137 Inliner]: procedures = 678, calls = 3870, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9089 [2021-11-21 01:19:33,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:19:33,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:19:33,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:19:33,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:19:33,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:33,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:33,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:33,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:34,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:34,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:34,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:34,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:19:34,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:19:34,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:19:34,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:19:34,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (1/1) ... [2021-11-21 01:19:34,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:19:34,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:34,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:19:34,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15da809-d93d-4352-8a92-30416915cc5b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:19:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:19:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:19:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 01:19:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 01:19:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-21 01:19:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-21 01:19:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-21 01:19:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-21 01:19:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 01:19:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 01:19:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-21 01:19:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-21 01:19:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-21 01:19:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-21 01:19:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-21 01:19:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-21 01:19:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:19:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:19:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-21 01:19:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-21 01:19:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-21 01:19:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-21 01:19:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-21 01:19:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-21 01:19:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 01:19:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 01:19:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-21 01:19:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-21 01:19:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-21 01:19:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-21 01:19:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 01:19:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 01:19:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 01:19:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 01:19:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-21 01:19:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-21 01:19:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-21 01:19:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-21 01:19:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-21 01:19:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-21 01:19:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-21 01:19:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-21 01:19:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-21 01:19:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-21 01:19:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-21 01:19:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-21 01:19:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-21 01:19:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-21 01:19:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:19:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:19:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-21 01:19:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-21 01:19:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 01:19:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 01:19:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:19:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:19:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-21 01:19:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-21 01:19:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-21 01:19:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-21 01:19:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:19:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2021-11-21 01:19:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2021-11-21 01:19:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-21 01:19:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-21 01:19:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-21 01:19:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-21 01:19:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:19:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:19:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:19:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:19:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-21 01:19:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-21 01:19:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:19:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 01:19:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 01:19:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-21 01:19:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-21 01:19:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:19:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-21 01:19:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-21 01:19:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-21 01:19:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-21 01:19:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:19:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:19:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:19:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-21 01:19:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-21 01:19:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 01:19:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 01:19:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-21 01:19:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-21 01:19:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 01:19:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 01:19:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-21 01:19:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-21 01:19:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:19:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:19:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 01:19:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 01:19:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-21 01:19:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-21 01:19:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-21 01:19:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-21 01:19:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 01:19:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 01:19:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-21 01:19:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-21 01:19:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-21 01:19:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-21 01:19:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-21 01:19:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-21 01:19:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:19:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 01:19:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 01:19:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 01:19:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 01:19:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-21 01:19:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-21 01:19:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-21 01:19:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-21 01:19:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 01:19:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 01:19:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-21 01:19:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-21 01:19:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:19:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:19:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:19:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 01:19:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 01:19:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:19:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:19:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:19:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:19:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:19:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:19:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:19:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:19:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-21 01:19:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-21 01:19:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-21 01:19:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-21 01:19:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-21 01:19:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-21 01:19:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-21 01:19:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-21 01:19:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-21 01:19:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-21 01:19:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-21 01:19:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-21 01:19:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-21 01:19:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-21 01:19:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 01:19:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 01:19:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 01:19:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 01:19:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 01:19:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 01:19:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-21 01:19:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-21 01:19:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:19:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:19:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-21 01:19:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-21 01:19:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 01:19:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 01:19:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-21 01:19:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-21 01:19:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-21 01:19:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-21 01:19:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:19:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:19:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:19:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:19:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-21 01:19:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-21 01:19:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-21 01:19:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-21 01:19:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 01:19:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-21 01:19:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-21 01:19:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-21 01:19:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-21 01:19:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-21 01:19:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-21 01:19:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:19:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:19:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-21 01:19:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-21 01:19:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-21 01:19:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-21 01:19:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-21 01:19:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-21 01:19:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-21 01:19:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-21 01:19:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-21 01:19:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-21 01:19:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-21 01:19:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-21 01:19:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-21 01:19:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-21 01:19:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 01:19:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 01:19:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:19:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 01:19:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 01:19:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:19:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-21 01:19:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-21 01:19:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-21 01:19:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-21 01:19:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:19:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-21 01:19:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-21 01:19:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:19:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:19:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-21 01:19:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-21 01:19:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:19:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:19:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-21 01:19:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-21 01:19:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 01:19:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 01:19:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-21 01:19:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-21 01:19:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-21 01:19:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-21 01:19:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-21 01:19:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-21 01:19:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-21 01:19:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-21 01:19:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-21 01:19:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-21 01:19:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-21 01:19:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-21 01:19:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 01:19:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 01:19:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-21 01:19:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-21 01:19:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 01:19:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 01:19:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-21 01:19:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-21 01:19:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:19:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:19:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-21 01:19:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-21 01:19:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-21 01:19:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-21 01:19:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-21 01:19:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-21 01:19:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-21 01:19:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-21 01:19:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:19:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:19:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-21 01:19:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-21 01:19:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-21 01:19:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-21 01:19:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:19:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:19:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-21 01:19:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-21 01:19:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-21 01:19:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-21 01:19:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-21 01:19:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-21 01:19:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:19:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-21 01:19:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-21 01:19:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-21 01:19:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-21 01:19:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-21 01:19:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-21 01:19:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:19:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:19:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-21 01:19:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-21 01:19:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 01:19:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 01:19:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-21 01:19:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-21 01:19:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-21 01:19:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-21 01:19:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 01:19:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 01:19:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-21 01:19:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-21 01:19:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 01:19:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 01:19:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-21 01:19:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-21 01:19:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-21 01:19:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-21 01:19:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:19:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:19:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:19:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:19:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 01:19:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 01:19:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:19:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-21 01:19:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-21 01:19:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 01:19:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 01:19:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-21 01:19:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-21 01:19:35,981 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:19:35,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:19:36,514 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:20:56,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 01:20:56,697 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:20:59,652 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:20:59,652 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-21 01:20:59,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:20:59 BoogieIcfgContainer [2021-11-21 01:20:59,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:20:59,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:20:59,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:20:59,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:20:59,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:19:25" (1/3) ... [2021-11-21 01:20:59,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31476757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:20:59, skipping insertion in model container [2021-11-21 01:20:59,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:19:33" (2/3) ... [2021-11-21 01:20:59,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31476757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:20:59, skipping insertion in model container [2021-11-21 01:20:59,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:20:59" (3/3) ... [2021-11-21 01:20:59,672 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-21 01:20:59,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:20:59,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:20:59,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:20:59,789 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:20:59,789 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:20:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2021-11-21 01:20:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-11-21 01:20:59,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:20:59,991 INFO L514 BasicCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:20:59,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:20:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:00,000 INFO L85 PathProgramCache]: Analyzing trace with hash 470927633, now seen corresponding path program 1 times [2021-11-21 01:21:00,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:00,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347114154] [2021-11-21 01:21:00,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:00,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2021-11-21 01:21:01,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:01,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347114154] [2021-11-21 01:21:01,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347114154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:01,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:01,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:01,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281487674] [2021-11-21 01:21:01,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:01,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:01,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:02,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:02,046 INFO L87 Difference]: Start difference. First operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:04,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:10,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:11,218 INFO L93 Difference]: Finished difference Result 7139 states and 10795 transitions. [2021-11-21 01:21:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:11,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2021-11-21 01:21:11,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:11,296 INFO L225 Difference]: With dead ends: 7139 [2021-11-21 01:21:11,296 INFO L226 Difference]: Without dead ends: 4601 [2021-11-21 01:21:11,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:11,332 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 3102 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:11,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 7151 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-11-21 01:21:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2021-11-21 01:21:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4597. [2021-11-21 01:21:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4597 states, 2781 states have (on average 1.3347716648687522) internal successors, (3712), 2888 states have internal predecessors, (3712), 1536 states have call successors, (1536), 279 states have call predecessors, (1536), 279 states have return successors, (1537), 1485 states have call predecessors, (1537), 1536 states have call successors, (1537) [2021-11-21 01:21:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4597 states and 6785 transitions. [2021-11-21 01:21:11,880 INFO L78 Accepts]: Start accepts. Automaton has 4597 states and 6785 transitions. Word has length 603 [2021-11-21 01:21:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:11,887 INFO L470 AbstractCegarLoop]: Abstraction has 4597 states and 6785 transitions. [2021-11-21 01:21:11,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 6785 transitions. [2021-11-21 01:21:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-11-21 01:21:11,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:11,965 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:21:11,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:21:11,966 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:11,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:11,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1156279763, now seen corresponding path program 1 times [2021-11-21 01:21:11,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:11,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478209768] [2021-11-21 01:21:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:11,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:21:13,052 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:13,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478209768] [2021-11-21 01:21:13,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478209768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:13,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:13,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:13,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155314011] [2021-11-21 01:21:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:13,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:13,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:13,065 INFO L87 Difference]: Start difference. First operand 4597 states and 6785 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:15,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:18,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:21,162 INFO L93 Difference]: Finished difference Result 13288 states and 19612 transitions. [2021-11-21 01:21:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2021-11-21 01:21:21,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:21,281 INFO L225 Difference]: With dead ends: 13288 [2021-11-21 01:21:21,281 INFO L226 Difference]: Without dead ends: 8796 [2021-11-21 01:21:21,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:21,328 INFO L933 BasicCegarLoop]: 3917 mSDtfsCounter, 3243 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7061 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:21,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3243 Valid, 7061 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2021-11-21 01:21:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states. [2021-11-21 01:21:21,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8796 to 8794. [2021-11-21 01:21:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8794 states, 5335 states have (on average 1.334020618556701) internal successors, (7117), 5544 states have internal predecessors, (7117), 2901 states have call successors, (2901), 557 states have call predecessors, (2901), 557 states have return successors, (2955), 2803 states have call predecessors, (2955), 2901 states have call successors, (2955) [2021-11-21 01:21:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8794 states to 8794 states and 12973 transitions. [2021-11-21 01:21:22,076 INFO L78 Accepts]: Start accepts. Automaton has 8794 states and 12973 transitions. Word has length 617 [2021-11-21 01:21:22,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:22,078 INFO L470 AbstractCegarLoop]: Abstraction has 8794 states and 12973 transitions. [2021-11-21 01:21:22,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8794 states and 12973 transitions. [2021-11-21 01:21:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-11-21 01:21:22,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:22,142 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:21:22,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:21:22,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:22,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:22,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1134776572, now seen corresponding path program 1 times [2021-11-21 01:21:22,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:22,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806636826] [2021-11-21 01:21:22,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:22,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:21:22,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:22,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806636826] [2021-11-21 01:21:22,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806636826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:22,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:22,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:22,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511498183] [2021-11-21 01:21:22,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:22,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:22,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:22,843 INFO L87 Difference]: Start difference. First operand 8794 states and 12973 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:24,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:28,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:31,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:31,357 INFO L93 Difference]: Finished difference Result 25705 states and 38003 transitions. [2021-11-21 01:21:31,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:31,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2021-11-21 01:21:31,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:31,577 INFO L225 Difference]: With dead ends: 25705 [2021-11-21 01:21:31,578 INFO L226 Difference]: Without dead ends: 17016 [2021-11-21 01:21:31,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,667 INFO L933 BasicCegarLoop]: 3978 mSDtfsCounter, 3241 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:31,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3241 Valid, 7122 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-21 01:21:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17016 states. [2021-11-21 01:21:32,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17016 to 17014. [2021-11-21 01:21:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 10332 states have (on average 1.3315911730545877) internal successors, (13758), 10745 states have internal predecessors, (13758), 5568 states have call successors, (5568), 1113 states have call predecessors, (5568), 1113 states have return successors, (5840), 5375 states have call predecessors, (5840), 5568 states have call successors, (5840) [2021-11-21 01:21:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 25166 transitions. [2021-11-21 01:21:32,982 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 25166 transitions. Word has length 619 [2021-11-21 01:21:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:32,985 INFO L470 AbstractCegarLoop]: Abstraction has 17014 states and 25166 transitions. [2021-11-21 01:21:32,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 25166 transitions. [2021-11-21 01:21:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-11-21 01:21:33,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:33,028 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:21:33,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:21:33,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:33,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:33,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1679606330, now seen corresponding path program 1 times [2021-11-21 01:21:33,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:33,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001070350] [2021-11-21 01:21:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:33,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:21:33,711 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:33,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001070350] [2021-11-21 01:21:33,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001070350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:33,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:33,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:33,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053708459] [2021-11-21 01:21:33,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:33,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:33,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:33,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:33,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:33,715 INFO L87 Difference]: Start difference. First operand 17014 states and 25166 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, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:35,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:39,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:43,344 INFO L93 Difference]: Finished difference Result 50019 states and 74198 transitions. [2021-11-21 01:21:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:43,346 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, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2021-11-21 01:21:43,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:43,815 INFO L225 Difference]: With dead ends: 50019 [2021-11-21 01:21:43,815 INFO L226 Difference]: Without dead ends: 33110 [2021-11-21 01:21:43,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:43,921 INFO L933 BasicCegarLoop]: 4071 mSDtfsCounter, 3239 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:43,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3239 Valid, 7215 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2021-11-21 01:21:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33110 states. [2021-11-21 01:21:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33110 to 33100. [2021-11-21 01:21:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33100 states, 20097 states have (on average 1.3283077076180525) internal successors, (26695), 20918 states have internal predecessors, (26695), 10777 states have call successors, (10777), 2225 states have call predecessors, (10777), 2225 states have return successors, (11668), 10393 states have call predecessors, (11668), 10777 states have call successors, (11668) [2021-11-21 01:21:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33100 states to 33100 states and 49140 transitions. [2021-11-21 01:21:46,818 INFO L78 Accepts]: Start accepts. Automaton has 33100 states and 49140 transitions. Word has length 621 [2021-11-21 01:21:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:46,820 INFO L470 AbstractCegarLoop]: Abstraction has 33100 states and 49140 transitions. [2021-11-21 01:21:46,820 INFO L471 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, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 33100 states and 49140 transitions. [2021-11-21 01:21:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-21 01:21:46,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:46,855 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:21:46,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:21:46,856 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:46,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1555724691, now seen corresponding path program 1 times [2021-11-21 01:21:46,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:46,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400832942] [2021-11-21 01:21:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:21:47,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:47,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400832942] [2021-11-21 01:21:47,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400832942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:47,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:47,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:47,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48248653] [2021-11-21 01:21:47,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:47,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:47,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:47,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:47,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:47,733 INFO L87 Difference]: Start difference. First operand 33100 states and 49140 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:21:49,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:53,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:21:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:56,812 INFO L93 Difference]: Finished difference Result 97587 states and 145314 transitions. [2021-11-21 01:21:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2021-11-21 01:21:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:57,442 INFO L225 Difference]: With dead ends: 97587 [2021-11-21 01:21:57,442 INFO L226 Difference]: Without dead ends: 64592 [2021-11-21 01:21:57,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:57,604 INFO L933 BasicCegarLoop]: 4132 mSDtfsCounter, 3242 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:57,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 7276 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2021-11-21 01:21:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64592 states. [2021-11-21 01:22:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64592 to 64590. [2021-11-21 01:22:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64590 states, 39194 states have (on average 1.3242843292340665) internal successors, (51904), 40831 states have internal predecessors, (51904), 20946 states have call successors, (20946), 4449 states have call predecessors, (20946), 4449 states have return successors, (23400), 20179 states have call predecessors, (23400), 20946 states have call successors, (23400) [2021-11-21 01:22:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64590 states to 64590 states and 96250 transitions. [2021-11-21 01:22:02,131 INFO L78 Accepts]: Start accepts. Automaton has 64590 states and 96250 transitions. Word has length 618 [2021-11-21 01:22:02,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:22:02,133 INFO L470 AbstractCegarLoop]: Abstraction has 64590 states and 96250 transitions. [2021-11-21 01:22:02,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:22:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 64590 states and 96250 transitions. [2021-11-21 01:22:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-11-21 01:22:02,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:22:02,157 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:22:02,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:22:02,158 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:22:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:22:02,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1074383650, now seen corresponding path program 1 times [2021-11-21 01:22:02,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:22:02,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631355589] [2021-11-21 01:22:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:22:02,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:22:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:22:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:22:03,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:22:03,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631355589] [2021-11-21 01:22:03,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631355589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:22:03,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:22:03,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:22:03,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051724483] [2021-11-21 01:22:03,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:22:03,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:22:03,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:22:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:22:03,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:03,041 INFO L87 Difference]: Start difference. First operand 64590 states and 96250 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:22:05,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:22:08,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:22:13,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:22:13,643 INFO L93 Difference]: Finished difference Result 190679 states and 284994 transitions. [2021-11-21 01:22:13,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:22:13,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 616 [2021-11-21 01:22:13,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:22:14,639 INFO L225 Difference]: With dead ends: 190679 [2021-11-21 01:22:14,639 INFO L226 Difference]: Without dead ends: 126194 [2021-11-21 01:22:15,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:15,336 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 3244 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7358 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:22:15,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3244 Valid, 7358 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-21 01:22:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126194 states. [2021-11-21 01:22:21,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126194 to 126192. [2021-11-21 01:22:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126192 states, 76507 states have (on average 1.3198400146391833) internal successors, (100977), 79776 states have internal predecessors, (100977), 40787 states have call successors, (40787), 8897 states have call predecessors, (40787), 8897 states have return successors, (46976), 39253 states have call predecessors, (46976), 40787 states have call successors, (46976) [2021-11-21 01:22:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126192 states to 126192 states and 188740 transitions. [2021-11-21 01:22:22,250 INFO L78 Accepts]: Start accepts. Automaton has 126192 states and 188740 transitions. Word has length 616 [2021-11-21 01:22:22,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:22:22,251 INFO L470 AbstractCegarLoop]: Abstraction has 126192 states and 188740 transitions. [2021-11-21 01:22:22,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:22:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 126192 states and 188740 transitions. [2021-11-21 01:22:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-11-21 01:22:22,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:22:22,268 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:22:22,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:22:22,268 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:22:22,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:22:22,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1778324069, now seen corresponding path program 1 times [2021-11-21 01:22:22,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:22:22,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404722287] [2021-11-21 01:22:22,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:22:22,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:22:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:22:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-21 01:22:23,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:22:23,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404722287] [2021-11-21 01:22:23,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404722287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:22:23,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:22:23,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:22:23,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63407147] [2021-11-21 01:22:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:22:23,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:22:23,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:22:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:22:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:23,233 INFO L87 Difference]: Start difference. First operand 126192 states and 188740 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-21 01:22:25,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:22:28,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:22:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:22:38,913 INFO L93 Difference]: Finished difference Result 372143 states and 558298 transitions. [2021-11-21 01:22:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:22:38,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 620 [2021-11-21 01:22:38,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:22:40,833 INFO L225 Difference]: With dead ends: 372143 [2021-11-21 01:22:40,833 INFO L226 Difference]: Without dead ends: 246056 [2021-11-21 01:22:41,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:41,440 INFO L933 BasicCegarLoop]: 4540 mSDtfsCounter, 3240 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:22:41,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3240 Valid, 7684 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1417 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-21 01:22:41,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246056 states.