./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V --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 685a5495a615388cc9b013e733459d717ac35dd65edbd21694d2de3571df9ab1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:00:52,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:00:52,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:00:52,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:00:52,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:00:52,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:00:52,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:00:52,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:00:52,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:00:52,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:00:52,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:00:52,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:00:52,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:00:52,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:00:52,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:00:52,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:00:52,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:00:52,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:00:52,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:00:52,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:00:52,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:00:52,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:00:52,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:00:52,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:00:52,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:00:52,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:00:52,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:00:52,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:00:52,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:00:52,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:00:52,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:00:52,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:00:52,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:00:52,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:00:52,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:00:52,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:00:52,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:00:52,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:00:52,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:00:52,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:00:52,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:00:52,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:00:52,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:00:52,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:00:52,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:00:52,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:00:52,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:00:52,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:00:52,691 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:00:52,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:00:52,692 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:00:52,692 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:00:52,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:00:52,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:00:52,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:00:52,694 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:00:52,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:00:52,695 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:00:52,695 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:00:52,695 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:00:52,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:00:52,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:00:52,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:00:52,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:00:52,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:00:52,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:00:52,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:00:52,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:00:52,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:00:52,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:00:52,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:00:52,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:00:52,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:00:52,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:00:52,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:00:52,711 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:00:52,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:00:52,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:00:52,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:00:52,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:00:52,712 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_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685a5495a615388cc9b013e733459d717ac35dd65edbd21694d2de3571df9ab1 [2021-11-23 03:00:53,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:00:53,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:00:53,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:00:53,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:00:53,053 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:00:53,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:00:53,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/data/e300618a1/88777addacf54c8dabc3cbb8d6f7db4b/FLAG995fe47e2 [2021-11-23 03:00:54,193 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:00:54,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:00:54,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/data/e300618a1/88777addacf54c8dabc3cbb8d6f7db4b/FLAG995fe47e2 [2021-11-23 03:00:54,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/data/e300618a1/88777addacf54c8dabc3cbb8d6f7db4b [2021-11-23 03:00:54,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:00:54,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:00:54,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:00:54,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:00:54,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:00:54,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:54" (1/1) ... [2021-11-23 03:00:54,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bac151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:54, skipping insertion in model container [2021-11-23 03:00:54,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:54" (1/1) ... [2021-11-23 03:00:54,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:00:54,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:01:04,500 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_91d93451-3727-4929-8c35-5f6a787dbfec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705498,705511] [2021-11-23 03:01:04,503 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_91d93451-3727-4929-8c35-5f6a787dbfec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705643,705656] [2021-11-23 03:01:04,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:01:04,650 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:01:05,823 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_91d93451-3727-4929-8c35-5f6a787dbfec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705498,705511] [2021-11-23 03:01:05,823 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_91d93451-3727-4929-8c35-5f6a787dbfec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705643,705656] [2021-11-23 03:01:05,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:01:06,763 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:01:06,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06 WrapperNode [2021-11-23 03:01:06,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:01:06,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:01:06,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:01:06,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:01:06,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:07,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:07,599 INFO L137 Inliner]: procedures = 848, calls = 8804, calls flagged for inlining = 413, calls inlined = 359, statements flattened = 16865 [2021-11-23 03:01:07,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:01:07,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:01:07,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:01:07,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:01:07,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:07,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:07,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:07,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:08,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:08,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:08,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:08,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:01:08,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:01:08,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:01:08,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:01:08,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (1/1) ... [2021-11-23 03:01:08,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:01:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:01:08,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:01:09,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d93451-3727-4929-8c35-5f6a787dbfec/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:01:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-23 03:01:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-23 03:01:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_126 [2021-11-23 03:01:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_126 [2021-11-23 03:01:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 03:01:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 03:01:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 03:01:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 03:01:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-23 03:01:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-23 03:01:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-23 03:01:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-23 03:01:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-23 03:01:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-23 03:01:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-23 03:01:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-23 03:01:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:01:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:01:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:01:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:01:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-23 03:01:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-23 03:01:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-23 03:01:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-23 03:01:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 03:01:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 03:01:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-23 03:01:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-23 03:01:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-23 03:01:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-23 03:01:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:01:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 03:01:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 03:01:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:01:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:01:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-23 03:01:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-23 03:01:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-23 03:01:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-23 03:01:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 03:01:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 03:01:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:01:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:01:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:01:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:01:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 03:01:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 03:01:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 03:01:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 03:01:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-23 03:01:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-23 03:01:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-23 03:01:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-23 03:01:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:01:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:01:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-23 03:01:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-23 03:01:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:01:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:01:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-23 03:01:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-23 03:01:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:01:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-23 03:01:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-23 03:01:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-23 03:01:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-23 03:01:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-23 03:01:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-23 03:01:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 03:01:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 03:01:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:01:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:01:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-23 03:01:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-23 03:01:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 03:01:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 03:01:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-23 03:01:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-23 03:01:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-23 03:01:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-23 03:01:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-23 03:01:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-23 03:01:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:01:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:01:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-23 03:01:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-23 03:01:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-23 03:01:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-23 03:01:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-23 03:01:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-23 03:01:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-23 03:01:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-23 03:01:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-23 03:01:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-23 03:01:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:01:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:01:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:01:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:01:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:01:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 03:01:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 03:01:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 03:01:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 03:01:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 03:01:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 03:01:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:01:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-23 03:01:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-23 03:01:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:01:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:01:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:01:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:01:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:01:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-23 03:01:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-23 03:01:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:01:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-23 03:01:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-23 03:01:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 03:01:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 03:01:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-23 03:01:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-23 03:01:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:01:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:01:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:01:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:01:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-23 03:01:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-23 03:01:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-23 03:01:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-23 03:01:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:01:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:01:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:01:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:01:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 03:01:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 03:01:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-23 03:01:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-23 03:01:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:01:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:01:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-23 03:01:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-23 03:01:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-23 03:01:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-23 03:01:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-23 03:01:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-23 03:01:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:01:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:01:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:01:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:01:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:01:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:01:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:01:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 03:01:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 03:01:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-23 03:01:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-23 03:01:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:01:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:01:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:01:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 03:01:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 03:01:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:01:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:01:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-23 03:01:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-23 03:01:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-23 03:01:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-23 03:01:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 03:01:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 03:01:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:01:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:01:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-23 03:01:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-23 03:01:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 03:01:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 03:01:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 03:01:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 03:01:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 03:01:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 03:01:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-23 03:01:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-23 03:01:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_110 [2021-11-23 03:01:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_110 [2021-11-23 03:01:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 03:01:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 03:01:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:01:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-23 03:01:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-23 03:01:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-23 03:01:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-23 03:01:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:01:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-23 03:01:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-23 03:01:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-23 03:01:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-23 03:01:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-23 03:01:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-23 03:01:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:01:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:01:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:01:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:01:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:01:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:01:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-23 03:01:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-23 03:01:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-23 03:01:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-23 03:01:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-23 03:01:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-23 03:01:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:01:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:01:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-11-23 03:01:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-11-23 03:01:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 03:01:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 03:01:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 03:01:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 03:01:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-23 03:01:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-23 03:01:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 03:01:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 03:01:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-23 03:01:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-23 03:01:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:01:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:01:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-23 03:01:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-23 03:01:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:01:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-23 03:01:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-23 03:01:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:01:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:01:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-23 03:01:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-23 03:01:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-23 03:01:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-23 03:01:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 03:01:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 03:01:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-23 03:01:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-23 03:01:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 03:01:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 03:01:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-23 03:01:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-23 03:01:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-23 03:01:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-23 03:01:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:01:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:01:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-23 03:01:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-23 03:01:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_125 [2021-11-23 03:01:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_125 [2021-11-23 03:01:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 03:01:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 03:01:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 03:01:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 03:01:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 03:01:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 03:01:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-23 03:01:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-23 03:01:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:01:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:01:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-23 03:01:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-23 03:01:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-23 03:01:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-23 03:01:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 03:01:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 03:01:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-23 03:01:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-23 03:01:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 03:01:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 03:01:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:01:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:01:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-23 03:01:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-23 03:01:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 03:01:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 03:01:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:01:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:01:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-23 03:01:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-23 03:01:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-23 03:01:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-23 03:01:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-23 03:01:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-23 03:01:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-23 03:01:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-23 03:01:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-23 03:01:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-23 03:01:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 03:01:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 03:01:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-23 03:01:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-23 03:01:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 03:01:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 03:01:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-23 03:01:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-23 03:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-23 03:01:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-23 03:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:01:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-23 03:01:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-23 03:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-23 03:01:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-23 03:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:01:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 03:01:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 03:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:01:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:01:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:01:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:01:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 03:01:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 03:01:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 03:01:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 03:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 03:01:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 03:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-23 03:01:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-23 03:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-23 03:01:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-23 03:01:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:01:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:01:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:01:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-23 03:01:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-23 03:01:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-23 03:01:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-23 03:01:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:01:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:01:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:01:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-23 03:01:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-23 03:01:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-23 03:01:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-23 03:01:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-23 03:01:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-23 03:01:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:01:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:01:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-23 03:01:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-23 03:01:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:01:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:01:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-23 03:01:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-23 03:01:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 03:01:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 03:01:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-23 03:01:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-23 03:01:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 03:01:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 03:01:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:01:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:01:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-23 03:01:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-23 03:01:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-23 03:01:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-23 03:01:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-23 03:01:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-23 03:01:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 03:01:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 03:01:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:01:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:01:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-23 03:01:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-23 03:01:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-23 03:01:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-23 03:01:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:01:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:01:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:01:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:01:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-23 03:01:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-23 03:01:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:01:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:01:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-23 03:01:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-23 03:01:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-23 03:01:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-23 03:01:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-23 03:01:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-23 03:01:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 03:01:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 03:01:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 03:01:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 03:01:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-23 03:01:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-23 03:01:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 03:01:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 03:01:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 03:01:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 03:01:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-23 03:01:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-23 03:01:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-23 03:01:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-23 03:01:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-23 03:01:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-23 03:01:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 03:01:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 03:01:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 03:01:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 03:01:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-23 03:01:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-23 03:01:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:01:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:01:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:01:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-23 03:01:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-23 03:01:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 03:01:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 03:01:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 03:01:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 03:01:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-23 03:01:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-23 03:01:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 03:01:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 03:01:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-23 03:01:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-23 03:01:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-23 03:01:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-23 03:01:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-23 03:01:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-23 03:01:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 03:01:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 03:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-23 03:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-23 03:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-23 03:01:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-23 03:01:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-23 03:01:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-23 03:01:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 03:01:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 03:01:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-23 03:01:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-23 03:01:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:01:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-23 03:01:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-23 03:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-23 03:01:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-23 03:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-23 03:01:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-23 03:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-23 03:01:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-23 03:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-23 03:01:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-23 03:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-23 03:01:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-23 03:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 03:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 03:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-23 03:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-23 03:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-23 03:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-23 03:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-23 03:01:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-23 03:01:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 03:01:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 03:01:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-23 03:01:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-23 03:01:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:01:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:01:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-23 03:01:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-23 03:01:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-23 03:01:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-23 03:01:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-23 03:01:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-23 03:01:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-23 03:01:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-23 03:01:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-23 03:01:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-23 03:01:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-23 03:01:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-23 03:01:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 03:01:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 03:01:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:01:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:01:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-23 03:01:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-23 03:01:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-23 03:01:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-23 03:01:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-23 03:01:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-23 03:01:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:01:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:01:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-23 03:01:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-23 03:01:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-23 03:01:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-23 03:01:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-23 03:01:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-23 03:01:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_111 [2021-11-23 03:01:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_111 [2021-11-23 03:01:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:01:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:01:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-23 03:01:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-23 03:01:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 03:01:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 03:01:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-11-23 03:01:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-11-23 03:01:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 03:01:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 03:01:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 03:01:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 03:01:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-23 03:01:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-23 03:01:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-23 03:01:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-23 03:01:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:01:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:01:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-23 03:01:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-23 03:01:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 03:01:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 03:01:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:01:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:01:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:01:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:01:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 03:01:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 03:01:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:01:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-23 03:01:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-23 03:01:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-23 03:01:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-23 03:01:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:01:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:01:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-23 03:01:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-23 03:01:11,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:01:11,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:01:11,426 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:03:46,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:03:46,495 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:03:53,891 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:03:53,891 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 03:03:53,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:53 BoogieIcfgContainer [2021-11-23 03:03:53,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:03:53,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:03:53,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:03:53,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:03:53,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:54" (1/3) ... [2021-11-23 03:03:53,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2375b6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:03:53, skipping insertion in model container [2021-11-23 03:03:53,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:06" (2/3) ... [2021-11-23 03:03:53,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2375b6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:03:53, skipping insertion in model container [2021-11-23 03:03:53,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:53" (3/3) ... [2021-11-23 03:03:53,908 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:03:53,913 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:03:53,913 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:03:53,979 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:03:53,985 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 [2021-11-23 03:03:53,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 03:03:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 4755 states, 2869 states have (on average 1.302195887068665) internal successors, (3736), 2942 states have internal predecessors, (3736), 1624 states have call successors, (1624), 261 states have call predecessors, (1624), 260 states have return successors, (1615), 1605 states have call predecessors, (1615), 1615 states have call successors, (1615) [2021-11-23 03:03:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 03:03:54,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:54,137 INFO L514 BasicCegarLoop]: trace histogram [30, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:54,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:03:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:54,143 INFO L85 PathProgramCache]: Analyzing trace with hash -565685703, now seen corresponding path program 1 times [2021-11-23 03:03:54,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:54,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295336620] [2021-11-23 03:03:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:54,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3138 trivial. 0 not checked. [2021-11-23 03:03:55,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:55,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295336620] [2021-11-23 03:03:55,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295336620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:55,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:55,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:03:55,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039195389] [2021-11-23 03:03:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:55,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:03:55,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:55,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:03:55,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:03:55,350 INFO L87 Difference]: Start difference. First operand has 4755 states, 2869 states have (on average 1.302195887068665) internal successors, (3736), 2942 states have internal predecessors, (3736), 1624 states have call successors, (1624), 261 states have call predecessors, (1624), 260 states have return successors, (1615), 1605 states have call predecessors, (1615), 1615 states have call successors, (1615) Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-23 03:03:58,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:00,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:10,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:12,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:19,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:21,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:24,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:27,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:30,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:32,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:33,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:04:33,630 INFO L93 Difference]: Finished difference Result 13810 states and 20454 transitions. [2021-11-23 03:04:33,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:04:33,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 335 [2021-11-23 03:04:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:04:33,763 INFO L225 Difference]: With dead ends: 13810 [2021-11-23 03:04:33,764 INFO L226 Difference]: Without dead ends: 9042 [2021-11-23 03:04:33,820 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 [2021-11-23 03:04:33,824 INFO L933 BasicCegarLoop]: 8142 mSDtfsCounter, 6357 mSDsluCounter, 6891 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 19 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6365 SdHoareTripleChecker+Valid, 14287 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:04:33,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6365 Valid, 14287 Invalid, 1686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1658 Invalid, 9 Unknown, 0 Unchecked, 37.4s Time] [2021-11-23 03:04:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9042 states. [2021-11-23 03:04:34,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9042 to 9034. [2021-11-23 03:04:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9034 states, 5496 states have (on average 1.2991266375545851) internal successors, (7140), 5640 states have internal predecessors, (7140), 3029 states have call successors, (3029), 508 states have call predecessors, (3029), 507 states have return successors, (3035), 3005 states have call predecessors, (3035), 3029 states have call successors, (3035) [2021-11-23 03:04:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9034 states to 9034 states and 13204 transitions. [2021-11-23 03:04:34,679 INFO L78 Accepts]: Start accepts. Automaton has 9034 states and 13204 transitions. Word has length 335 [2021-11-23 03:04:34,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:04:34,686 INFO L470 AbstractCegarLoop]: Abstraction has 9034 states and 13204 transitions. [2021-11-23 03:04:34,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-23 03:04:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 9034 states and 13204 transitions. [2021-11-23 03:04:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-23 03:04:34,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:04:34,725 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:04:34,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:04:34,726 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:04:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:04:34,730 INFO L85 PathProgramCache]: Analyzing trace with hash 950851536, now seen corresponding path program 1 times [2021-11-23 03:04:34,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:04:34,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846646080] [2021-11-23 03:04:34,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:04:34,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:04:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:04:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-23 03:04:35,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:04:35,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846646080] [2021-11-23 03:04:35,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846646080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:04:35,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:04:35,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:04:35,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558099894] [2021-11-23 03:04:35,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:04:35,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:04:35,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:04:35,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:04:35,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:04:35,834 INFO L87 Difference]: Start difference. First operand 9034 states and 13204 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-23 03:04:39,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:41,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:52,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:53,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:04:59,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:01,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:02,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:05,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:07,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:09,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:13,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:15,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:18,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:19,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:05:19,725 INFO L93 Difference]: Finished difference Result 26400 states and 38562 transitions. [2021-11-23 03:05:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:05:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 345 [2021-11-23 03:05:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:05:19,909 INFO L225 Difference]: With dead ends: 26400 [2021-11-23 03:05:19,909 INFO L226 Difference]: Without dead ends: 17421 [2021-11-23 03:05:19,991 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 [2021-11-23 03:05:19,993 INFO L933 BasicCegarLoop]: 9839 mSDtfsCounter, 6222 mSDsluCounter, 6796 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 29 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 15901 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:05:19,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6229 Valid, 15901 Invalid, 2009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1972 Invalid, 8 Unknown, 0 Unchecked, 42.8s Time] [2021-11-23 03:05:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17421 states. [2021-11-23 03:05:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17421 to 17410. [2021-11-23 03:05:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17410 states, 10594 states have (on average 1.2956390409665848) internal successors, (13726), 10871 states have internal predecessors, (13726), 5816 states have call successors, (5816), 1001 states have call predecessors, (5816), 998 states have return successors, (5833), 5771 states have call predecessors, (5833), 5816 states have call successors, (5833) [2021-11-23 03:05:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17410 states to 17410 states and 25375 transitions. [2021-11-23 03:05:21,379 INFO L78 Accepts]: Start accepts. Automaton has 17410 states and 25375 transitions. Word has length 345 [2021-11-23 03:05:21,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:05:21,384 INFO L470 AbstractCegarLoop]: Abstraction has 17410 states and 25375 transitions. [2021-11-23 03:05:21,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-23 03:05:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 17410 states and 25375 transitions. [2021-11-23 03:05:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-23 03:05:21,415 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:05:21,415 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:05:21,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:05:21,417 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:05:21,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:05:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -419308551, now seen corresponding path program 1 times [2021-11-23 03:05:21,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:05:21,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768902470] [2021-11-23 03:05:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:05:21,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:05:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:05:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-23 03:05:22,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:05:22,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768902470] [2021-11-23 03:05:22,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768902470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:05:22,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:05:22,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:05:22,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504296877] [2021-11-23 03:05:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:05:22,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:05:22,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:05:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:05:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:05:22,229 INFO L87 Difference]: Start difference. First operand 17410 states and 25375 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-23 03:05:25,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:26,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:32,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:33,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:39,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:42,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:48,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:51,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:53,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:55,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:05:59,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:01,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:03,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:06:03,018 INFO L93 Difference]: Finished difference Result 49458 states and 71939 transitions. [2021-11-23 03:06:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:06:03,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 348 [2021-11-23 03:06:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:06:03,280 INFO L225 Difference]: With dead ends: 49458 [2021-11-23 03:06:03,280 INFO L226 Difference]: Without dead ends: 32103 [2021-11-23 03:06:03,515 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 [2021-11-23 03:06:03,516 INFO L933 BasicCegarLoop]: 8547 mSDtfsCounter, 5634 mSDsluCounter, 6776 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5639 SdHoareTripleChecker+Valid, 14618 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:06:03,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5639 Valid, 14618 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1764 Invalid, 8 Unknown, 0 Unchecked, 39.8s Time] [2021-11-23 03:06:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2021-11-23 03:06:05,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 32091. [2021-11-23 03:06:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32091 states, 19457 states have (on average 1.2883795035205838) internal successors, (25068), 19998 states have internal predecessors, (25068), 10687 states have call successors, (10687), 1955 states have call predecessors, (10687), 1945 states have return successors, (10861), 10589 states have call predecessors, (10861), 10687 states have call successors, (10861) [2021-11-23 03:06:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32091 states to 32091 states and 46616 transitions. [2021-11-23 03:06:05,895 INFO L78 Accepts]: Start accepts. Automaton has 32091 states and 46616 transitions. Word has length 348 [2021-11-23 03:06:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:06:05,897 INFO L470 AbstractCegarLoop]: Abstraction has 32091 states and 46616 transitions. [2021-11-23 03:06:05,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-23 03:06:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32091 states and 46616 transitions. [2021-11-23 03:06:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-23 03:06:05,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:06:05,947 INFO L514 BasicCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:06:05,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:06:05,948 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:06:05,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:06:05,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1302169798, now seen corresponding path program 1 times [2021-11-23 03:06:05,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:06:05,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189846607] [2021-11-23 03:06:05,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:06:05,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:06:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:06:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2021-11-23 03:06:06,718 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:06:06,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189846607] [2021-11-23 03:06:06,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189846607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:06:06,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:06:06,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:06:06,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560781122] [2021-11-23 03:06:06,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:06:06,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:06:06,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:06:06,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:06:06,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:06:06,720 INFO L87 Difference]: Start difference. First operand 32091 states and 46616 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-23 03:06:10,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:12,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:19,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:21,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:27,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:32,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:36,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:39,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:41,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:43,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:47,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:49,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:06:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:06:50,893 INFO L93 Difference]: Finished difference Result 92764 states and 134741 transitions. [2021-11-23 03:06:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:06:50,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 365 [2021-11-23 03:06:50,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:06:51,461 INFO L225 Difference]: With dead ends: 92764 [2021-11-23 03:06:51,461 INFO L226 Difference]: Without dead ends: 60728 [2021-11-23 03:06:51,793 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 [2021-11-23 03:06:51,798 INFO L933 BasicCegarLoop]: 10167 mSDtfsCounter, 6424 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 16263 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:06:51,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6433 Valid, 16263 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2063 Invalid, 8 Unknown, 0 Unchecked, 42.2s Time] [2021-11-23 03:06:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60728 states. [2021-11-23 03:06:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60728 to 60705. [2021-11-23 03:06:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60705 states, 36864 states have (on average 1.2877061631944444) internal successors, (47470), 37900 states have internal predecessors, (47470), 20152 states have call successors, (20152), 3707 states have call predecessors, (20152), 3687 states have return successors, (20484), 19953 states have call predecessors, (20484), 20152 states have call successors, (20484) [2021-11-23 03:06:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60705 states to 60705 states and 88106 transitions. [2021-11-23 03:06:56,529 INFO L78 Accepts]: Start accepts. Automaton has 60705 states and 88106 transitions. Word has length 365 [2021-11-23 03:06:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:06:56,531 INFO L470 AbstractCegarLoop]: Abstraction has 60705 states and 88106 transitions. [2021-11-23 03:06:56,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-23 03:06:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 60705 states and 88106 transitions. [2021-11-23 03:06:56,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-23 03:06:56,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:06:56,582 INFO L514 BasicCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:06:56,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:06:56,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:06:56,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:06:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1006152369, now seen corresponding path program 1 times [2021-11-23 03:06:56,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:06:56,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748029105] [2021-11-23 03:06:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:06:56,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:06:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:06:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2992 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2986 trivial. 0 not checked. [2021-11-23 03:06:57,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:06:57,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748029105] [2021-11-23 03:06:57,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748029105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:06:57,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:06:57,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:06:57,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049976491] [2021-11-23 03:06:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:06:57,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:06:57,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:06:57,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:06:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:06:57,337 INFO L87 Difference]: Start difference. First operand 60705 states and 88106 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-23 03:07:02,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:08,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:11,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:15,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:17,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:21,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:24,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:27,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:29,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:32,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:34,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:36,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:07:36,209 INFO L93 Difference]: Finished difference Result 122186 states and 177184 transitions. [2021-11-23 03:07:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:07:36,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 380 [2021-11-23 03:07:36,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:07:36,699 INFO L225 Difference]: With dead ends: 122186 [2021-11-23 03:07:36,699 INFO L226 Difference]: Without dead ends: 61536 [2021-11-23 03:07:37,077 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 [2021-11-23 03:07:37,078 INFO L933 BasicCegarLoop]: 6648 mSDtfsCounter, 978 mSDsluCounter, 6841 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 12739 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:07:37,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 12739 Invalid, 1598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1585 Invalid, 9 Unknown, 0 Unchecked, 36.2s Time] [2021-11-23 03:07:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61536 states. [2021-11-23 03:07:40,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61536 to 61536. [2021-11-23 03:07:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61536 states, 37386 states have (on average 1.2865243674102604) internal successors, (48098), 38431 states have internal predecessors, (48098), 20363 states have call successors, (20363), 3805 states have call predecessors, (20363), 3785 states have return successors, (20695), 20164 states have call predecessors, (20695), 20363 states have call successors, (20695) [2021-11-23 03:07:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61536 states to 61536 states and 89156 transitions. [2021-11-23 03:07:41,522 INFO L78 Accepts]: Start accepts. Automaton has 61536 states and 89156 transitions. Word has length 380 [2021-11-23 03:07:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:07:41,525 INFO L470 AbstractCegarLoop]: Abstraction has 61536 states and 89156 transitions. [2021-11-23 03:07:41,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-23 03:07:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 61536 states and 89156 transitions. [2021-11-23 03:07:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-23 03:07:41,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:07:41,550 INFO L514 BasicCegarLoop]: trace histogram [33, 28, 28, 28, 28, 28, 28, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:07:41,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:07:41,551 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:07:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:07:41,552 INFO L85 PathProgramCache]: Analyzing trace with hash 840458585, now seen corresponding path program 1 times [2021-11-23 03:07:41,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:07:41,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361765915] [2021-11-23 03:07:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:07:41,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:07:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:07:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3357 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3354 trivial. 0 not checked. [2021-11-23 03:07:42,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:07:42,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361765915] [2021-11-23 03:07:42,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361765915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:07:42,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:07:42,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:07:42,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091583212] [2021-11-23 03:07:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:07:42,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:07:42,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:07:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:07:42,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:07:42,060 INFO L87 Difference]: Start difference. First operand 61536 states and 89156 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-23 03:07:46,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:49,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:53,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:07:59,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:07,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:10,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:12,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:14,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:18,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:21,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:22,366 INFO L93 Difference]: Finished difference Result 150545 states and 218226 transitions. [2021-11-23 03:08:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 382 [2021-11-23 03:08:22,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:22,916 INFO L225 Difference]: With dead ends: 150545 [2021-11-23 03:08:22,916 INFO L226 Difference]: Without dead ends: 89767 [2021-11-23 03:08:23,412 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 [2021-11-23 03:08:23,413 INFO L933 BasicCegarLoop]: 8642 mSDtfsCounter, 6285 mSDsluCounter, 6818 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6293 SdHoareTripleChecker+Valid, 14715 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:23,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6293 Valid, 14715 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1756 Invalid, 8 Unknown, 0 Unchecked, 37.1s Time] [2021-11-23 03:08:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89767 states. [2021-11-23 03:08:26,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89767 to 89752. [2021-11-23 03:08:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89752 states, 54578 states have (on average 1.2864157719227527) internal successors, (70210), 56112 states have internal predecessors, (70210), 29642 states have call successors, (29642), 5559 states have call predecessors, (29642), 5530 states have return successors, (30121), 29345 states have call predecessors, (30121), 29642 states have call successors, (30121) [2021-11-23 03:08:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89752 states to 89752 states and 129973 transitions. [2021-11-23 03:08:28,040 INFO L78 Accepts]: Start accepts. Automaton has 89752 states and 129973 transitions. Word has length 382 [2021-11-23 03:08:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:28,041 INFO L470 AbstractCegarLoop]: Abstraction has 89752 states and 129973 transitions. [2021-11-23 03:08:28,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-23 03:08:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 89752 states and 129973 transitions. [2021-11-23 03:08:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-23 03:08:28,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:28,107 INFO L514 BasicCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:08:28,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:08:28,107 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:08:28,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1119186980, now seen corresponding path program 1 times [2021-11-23 03:08:28,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:28,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107069934] [2021-11-23 03:08:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:28,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3219 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3199 trivial. 0 not checked. [2021-11-23 03:08:28,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:28,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107069934] [2021-11-23 03:08:28,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107069934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:28,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:28,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:08:28,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988978939] [2021-11-23 03:08:28,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:28,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:28,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:28,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:28,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:28,868 INFO L87 Difference]: Start difference. First operand 89752 states and 129973 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-23 03:08:34,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:40,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:45,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:46,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:49,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:08:54,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:02,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:06,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:08,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:12,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:15,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:17,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:21,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:24,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:26,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:09:26,410 INFO L93 Difference]: Finished difference Result 220015 states and 318741 transitions. [2021-11-23 03:09:26,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:09:26,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 422 [2021-11-23 03:09:26,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:09:27,348 INFO L225 Difference]: With dead ends: 220015 [2021-11-23 03:09:27,348 INFO L226 Difference]: Without dead ends: 131021 [2021-11-23 03:09:28,086 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 [2021-11-23 03:09:28,087 INFO L933 BasicCegarLoop]: 11719 mSDtfsCounter, 6439 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 9 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6444 SdHoareTripleChecker+Valid, 17813 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:09:28,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6444 Valid, 17813 Invalid, 2276 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2257 Invalid, 10 Unknown, 0 Unchecked, 53.0s Time] [2021-11-23 03:09:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131021 states. [2021-11-23 03:09:35,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131021 to 130991. [2021-11-23 03:09:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130991 states, 79692 states have (on average 1.286452843447272) internal successors, (102520), 81942 states have internal predecessors, (102520), 43229 states have call successors, (43229), 8110 states have call predecessors, (43229), 8068 states have return successors, (43919), 42785 states have call predecessors, (43919), 43229 states have call successors, (43919) [2021-11-23 03:09:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130991 states to 130991 states and 189668 transitions. [2021-11-23 03:09:36,711 INFO L78 Accepts]: Start accepts. Automaton has 130991 states and 189668 transitions. Word has length 422 [2021-11-23 03:09:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:09:36,712 INFO L470 AbstractCegarLoop]: Abstraction has 130991 states and 189668 transitions. [2021-11-23 03:09:36,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-23 03:09:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 130991 states and 189668 transitions. [2021-11-23 03:09:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-23 03:09:36,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:09:36,783 INFO L514 BasicCegarLoop]: trace histogram [35, 28, 28, 28, 28, 28, 28, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:09:36,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:09:36,784 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:09:36,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:09:36,785 INFO L85 PathProgramCache]: Analyzing trace with hash -600578270, now seen corresponding path program 1 times [2021-11-23 03:09:36,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:09:36,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74773099] [2021-11-23 03:09:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:09:36,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:09:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:09:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3601 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3601 trivial. 0 not checked. [2021-11-23 03:09:37,730 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:09:37,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74773099] [2021-11-23 03:09:37,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74773099] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:09:37,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:09:37,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:09:37,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365846536] [2021-11-23 03:09:37,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:09:37,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:09:37,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:09:37,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:09:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:09:37,733 INFO L87 Difference]: Start difference. First operand 130991 states and 189668 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-23 03:09:42,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:53,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:54,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:09:59,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:01,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:04,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:10,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:13,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:15,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:17,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:21,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:23,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:25,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:29,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:32,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:10:34,998 INFO L93 Difference]: Finished difference Result 261352 states and 380201 transitions. [2021-11-23 03:10:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:10:34,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 444 [2021-11-23 03:10:35,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:10:36,602 INFO L225 Difference]: With dead ends: 261352 [2021-11-23 03:10:36,602 INFO L226 Difference]: Without dead ends: 131119 [2021-11-23 03:10:37,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:10:37,225 INFO L933 BasicCegarLoop]: 6120 mSDtfsCounter, 5 mSDsluCounter, 13753 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 18355 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:10:37,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 18355 Invalid, 2300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2289 Invalid, 11 Unknown, 0 Unchecked, 51.2s Time] [2021-11-23 03:10:37,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131119 states. [2021-11-23 03:10:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131119 to 131083. [2021-11-23 03:10:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131083 states, 79770 states have (on average 1.286172746646609) internal successors, (102598), 82034 states have internal predecessors, (102598), 43229 states have call successors, (43229), 8110 states have call predecessors, (43229), 8082 states have return successors, (43939), 42785 states have call predecessors, (43939), 43229 states have call successors, (43939) [2021-11-23 03:10:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131083 states to 131083 states and 189766 transitions. [2021-11-23 03:10:45,330 INFO L78 Accepts]: Start accepts. Automaton has 131083 states and 189766 transitions. Word has length 444 [2021-11-23 03:10:45,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:10:45,331 INFO L470 AbstractCegarLoop]: Abstraction has 131083 states and 189766 transitions. [2021-11-23 03:10:45,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-23 03:10:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 131083 states and 189766 transitions. [2021-11-23 03:10:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-23 03:10:45,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:10:45,411 INFO L514 BasicCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:10:45,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:10:45,411 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:10:45,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:10:45,412 INFO L85 PathProgramCache]: Analyzing trace with hash 585148925, now seen corresponding path program 1 times [2021-11-23 03:10:45,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:10:45,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540682589] [2021-11-23 03:10:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:10:45,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:10:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:10:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3272 trivial. 0 not checked. [2021-11-23 03:10:48,295 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:10:48,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540682589] [2021-11-23 03:10:48,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540682589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:10:48,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:10:48,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:10:48,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651150081] [2021-11-23 03:10:48,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:10:48,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:10:48,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:10:48,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:10:48,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:10:48,299 INFO L87 Difference]: Start difference. First operand 131083 states and 189766 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-23 03:10:56,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:10:59,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:18,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:20,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:21,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:24,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:26,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:37,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:41,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:51,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:53,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:55,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:11:56,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:07,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:10,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:13,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:16,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:23,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:12:27,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:12:27,457 INFO L93 Difference]: Finished difference Result 198220 states and 286265 transitions. [2021-11-23 03:12:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:12:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 453 [2021-11-23 03:12:27,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:12:29,077 INFO L225 Difference]: With dead ends: 198220 [2021-11-23 03:12:29,077 INFO L226 Difference]: Without dead ends: 198218 [2021-11-23 03:12:29,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:12:29,179 INFO L933 BasicCegarLoop]: 7667 mSDtfsCounter, 3585 mSDsluCounter, 30950 mSDsCounter, 0 mSdLazyCounter, 6375 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 35032 SdHoareTripleChecker+Invalid, 6393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6375 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:12:29,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3588 Valid, 35032 Invalid, 6393 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7 Valid, 6375 Invalid, 11 Unknown, 0 Unchecked, 89.9s Time] [2021-11-23 03:12:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198218 states.