./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.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_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/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_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/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_ec9911ca-a365-4efb-ba7f-559af2734ea5/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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:46:05,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:46:05,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:46:05,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:46:05,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:46:05,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:46:05,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:46:05,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:46:05,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:46:05,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:46:05,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:46:05,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:46:05,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:46:05,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:46:05,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:46:05,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:46:05,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:46:05,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:46:05,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:46:05,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:46:05,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:46:05,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:46:05,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:46:05,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:46:05,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:46:05,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:46:05,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:46:05,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:46:05,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:46:05,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:46:05,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:46:05,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:46:05,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:46:05,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:46:05,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:46:05,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:46:05,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:46:05,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:46:05,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:46:05,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:46:05,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:46:05,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:46:05,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:46:05,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:46:05,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:46:05,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:46:05,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:46:05,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:46:05,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:46:05,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:46:05,614 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:46:05,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:46:05,615 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:46:05,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:46:05,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:46:05,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:46:05,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:46:05,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:46:05,617 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:46:05,617 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:46:05,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:46:05,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:46:05,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:46:05,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:46:05,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:46:05,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:46:05,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:46:05,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:46:05,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:46:05,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:46:05,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:46:05,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:46:05,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:46:05,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:46:05,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:46:05,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:46:05,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:46:05,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:46:05,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:46:05,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:46:05,624 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_ec9911ca-a365-4efb-ba7f-559af2734ea5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2021-11-23 02:46:06,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:46:06,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:46:06,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:46:06,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:46:06,056 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:46:06,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-23 02:46:06,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/data/f721fb6a5/724fa3f9890942d297b77774f77f3df0/FLAGe2f401e16 [2021-11-23 02:46:07,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:46:07,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-23 02:46:07,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/data/f721fb6a5/724fa3f9890942d297b77774f77f3df0/FLAGe2f401e16 [2021-11-23 02:46:08,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/data/f721fb6a5/724fa3f9890942d297b77774f77f3df0 [2021-11-23 02:46:08,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:46:08,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:46:08,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:46:08,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:46:08,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:46:08,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:46:08" (1/1) ... [2021-11-23 02:46:08,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:08, skipping insertion in model container [2021-11-23 02:46:08,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:46:08" (1/1) ... [2021-11-23 02:46:08,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:46:08,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:46:11,273 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_ec9911ca-a365-4efb-ba7f-559af2734ea5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-23 02:46:15,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:46:15,189 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:46:15,425 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_ec9911ca-a365-4efb-ba7f-559af2734ea5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-23 02:46:16,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:46:16,452 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:46:16,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16 WrapperNode [2021-11-23 02:46:16,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:46:16,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:46:16,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:46:16,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:46:16,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:16,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:17,239 INFO L137 Inliner]: procedures = 597, calls = 7256, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14780 [2021-11-23 02:46:17,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:46:17,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:46:17,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:46:17,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:46:17,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:17,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:17,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:17,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:18,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:18,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:18,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:46:18,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:46:18,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:46:18,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:46:18,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (1/1) ... [2021-11-23 02:46:18,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:46:18,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:46:18,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:46:18,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:46:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:46:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-23 02:46:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-23 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 02:46:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-23 02:46:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-23 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:46:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-23 02:46:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-23 02:46:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-23 02:46:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-23 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:46:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:46:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-23 02:46:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-23 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-23 02:46:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-23 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-23 02:46:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-23 02:46:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-23 02:46:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-23 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 02:46:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 02:46:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 02:46:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-23 02:46:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-23 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-23 02:46:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-23 02:46:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 02:46:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 02:46:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 02:46:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-23 02:46:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-23 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:46:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:46:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 02:46:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:46:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:46:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-23 02:46:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-23 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-23 02:46:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-23 02:46:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:46:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:46:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-23 02:46:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-23 02:46:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-23 02:46:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-23 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-23 02:46:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-23 02:46:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-23 02:46:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-23 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-23 02:46:18,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-23 02:46:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-23 02:46:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-23 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:46:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:46:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-23 02:46:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-23 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:46:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:46:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:46:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2021-11-23 02:46:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2021-11-23 02:46:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-23 02:46:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-23 02:46:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 02:46:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-23 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-23 02:46:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-23 02:46:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-23 02:46:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-23 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 02:46:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 02:46:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 02:46:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 02:46:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:46:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 02:46:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 02:46:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-23 02:46:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-23 02:46:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-23 02:46:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-23 02:46:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-23 02:46:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-23 02:46:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-23 02:46:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-23 02:46:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-23 02:46:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-23 02:46:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-23 02:46:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-23 02:46:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:46:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:46:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-23 02:46:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-23 02:46:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-23 02:46:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-23 02:46:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-23 02:46:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-23 02:46:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:46:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:46:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-23 02:46:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-23 02:46:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:46:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:46:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-23 02:46:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-23 02:46:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:46:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:46:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:46:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-23 02:46:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-23 02:46:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 02:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 02:46:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:46:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:46:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-23 02:46:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-23 02:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-23 02:46:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-23 02:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-23 02:46:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-23 02:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-23 02:46:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-23 02:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:46:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 02:46:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 02:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-23 02:46:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-23 02:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:46:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:46:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-23 02:46:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-23 02:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-23 02:46:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-23 02:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-23 02:46:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-23 02:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-23 02:46:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-23 02:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:46:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-23 02:46:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-23 02:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-23 02:46:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-23 02:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:46:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:46:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-23 02:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-23 02:46:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-23 02:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-23 02:46:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-23 02:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-23 02:46:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-23 02:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-23 02:46:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-23 02:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-23 02:46:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-23 02:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-23 02:46:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-23 02:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 02:46:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 02:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-23 02:46:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-23 02:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:46:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:46:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-23 02:46:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-23 02:46:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-23 02:46:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-23 02:46:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:46:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:46:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-23 02:46:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-23 02:46:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:46:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:46:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-23 02:46:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-23 02:46:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:46:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 02:46:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-23 02:46:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-23 02:46:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-23 02:46:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-23 02:46:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:46:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:46:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-23 02:46:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-23 02:46:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:46:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:46:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-23 02:46:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-23 02:46:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:46:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:46:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:46:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:46:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 02:46:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 02:46:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-23 02:46:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-23 02:46:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-23 02:46:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-23 02:46:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-23 02:46:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-23 02:46:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-23 02:46:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-23 02:46:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 02:46:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 02:46:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:46:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:46:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-23 02:46:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-23 02:46:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:46:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:46:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-23 02:46:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-23 02:46:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 02:46:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 02:46:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-23 02:46:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-23 02:46:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-23 02:46:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-23 02:46:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:46:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:46:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-23 02:46:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-23 02:46:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:46:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:46:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:46:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:46:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-23 02:46:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-23 02:46:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:46:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:46:18,395 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 02:46:18,395 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 02:46:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-23 02:46:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-23 02:46:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 02:46:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 02:46:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 02:46:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 02:46:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:46:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:46:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-23 02:46:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-23 02:46:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:46:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-23 02:46:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-23 02:46:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:46:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:46:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-23 02:46:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-23 02:46:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-23 02:46:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-23 02:46:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-23 02:46:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-23 02:46:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-23 02:46:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-23 02:46:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-23 02:46:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-23 02:46:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:46:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:46:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:46:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:46:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-23 02:46:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-23 02:46:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-23 02:46:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-23 02:46:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 02:46:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 02:46:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-23 02:46:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-23 02:46:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-23 02:46:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-23 02:46:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:46:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:46:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:46:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:46:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-23 02:46:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-23 02:46:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-23 02:46:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-23 02:46:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:46:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:46:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-23 02:46:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-23 02:46:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:46:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:46:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-23 02:46:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-23 02:46:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-23 02:46:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-23 02:46:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:46:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:46:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-23 02:46:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-23 02:46:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 02:46:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 02:46:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-23 02:46:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-23 02:46:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:46:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:46:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:46:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-23 02:46:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-23 02:46:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:46:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:46:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-23 02:46:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-23 02:46:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:46:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:46:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-23 02:46:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-23 02:46:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-23 02:46:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-23 02:46:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:46:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-23 02:46:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-23 02:46:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 02:46:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 02:46:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-23 02:46:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-23 02:46:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-23 02:46:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-23 02:46:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-23 02:46:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-23 02:46:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-23 02:46:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-23 02:46:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:46:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-23 02:46:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-23 02:46:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-23 02:46:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-23 02:46:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:46:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:46:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-23 02:46:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-23 02:46:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:46:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:46:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:46:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:46:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:46:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:46:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-23 02:46:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-23 02:46:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:46:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:46:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-23 02:46:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-23 02:46:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 02:46:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 02:46:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-23 02:46:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-23 02:46:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-23 02:46:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-23 02:46:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 02:46:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 02:46:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:46:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:46:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:46:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:46:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-23 02:46:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-23 02:46:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 02:46:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 02:46:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 02:46:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 02:46:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-23 02:46:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-23 02:46:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-23 02:46:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-23 02:46:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:46:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:46:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-23 02:46:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-23 02:46:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-23 02:46:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-23 02:46:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:46:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:46:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-23 02:46:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-23 02:46:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-23 02:46:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-23 02:46:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:46:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-23 02:46:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-23 02:46:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-23 02:46:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-23 02:46:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:46:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:46:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-23 02:46:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-23 02:46:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-23 02:46:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-23 02:46:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-23 02:46:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-23 02:46:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:46:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:46:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:46:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:46:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-23 02:46:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-23 02:46:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-23 02:46:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-23 02:46:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:46:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:46:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-23 02:46:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-23 02:46:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-23 02:46:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-23 02:46:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:46:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:46:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-23 02:46:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-23 02:46:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-23 02:46:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-23 02:46:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 02:46:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 02:46:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-23 02:46:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-23 02:46:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-23 02:46:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-23 02:46:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 02:46:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 02:46:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:46:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:46:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-23 02:46:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-23 02:46:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-23 02:46:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-23 02:46:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-23 02:46:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-23 02:46:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-23 02:46:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-23 02:46:18,428 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 02:46:18,429 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 02:46:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-23 02:46:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-23 02:46:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 02:46:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 02:46:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-23 02:46:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-23 02:46:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-23 02:46:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-23 02:46:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-23 02:46:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-23 02:46:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-23 02:46:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-23 02:46:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 02:46:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 02:46:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:46:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:46:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:46:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-23 02:46:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-23 02:46:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-23 02:46:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-23 02:46:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-23 02:46:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-23 02:46:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-23 02:46:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-23 02:46:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-23 02:46:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-23 02:46:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-23 02:46:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-23 02:46:19,995 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:46:20,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:46:20,105 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:46:48,902 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:46:55,565 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:46:55,565 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:46:55,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:55 BoogieIcfgContainer [2021-11-23 02:46:55,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:46:55,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:46:55,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:46:55,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:46:55,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:46:08" (1/3) ... [2021-11-23 02:46:55,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:55, skipping insertion in model container [2021-11-23 02:46:55,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:46:16" (2/3) ... [2021-11-23 02:46:55,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:55, skipping insertion in model container [2021-11-23 02:46:55,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:55" (3/3) ... [2021-11-23 02:46:55,584 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-23 02:46:55,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:46:55,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:46:55,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:46:55,683 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 02:46:55,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:46:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 3690 states, 2260 states have (on average 1.3349557522123894) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2021-11-23 02:46:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 02:46:55,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:46:55,826 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:46:55,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:46:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:46:55,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1164215961, now seen corresponding path program 1 times [2021-11-23 02:46:55,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:46:55,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308243947] [2021-11-23 02:46:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:46:55,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:46:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:46:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 02:46:57,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:46:57,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308243947] [2021-11-23 02:46:57,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308243947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:46:57,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:46:57,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:46:57,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775785908] [2021-11-23 02:46:57,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:46:57,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:46:57,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:46:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:46:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:46:57,293 INFO L87 Difference]: Start difference. First operand has 3690 states, 2260 states have (on average 1.3349557522123894) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-23 02:46:59,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:02,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:04,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:07,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:10,109 WARN L534 Checker$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 02:47:11,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:12,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:15,671 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 02:47:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:22,502 INFO L93 Difference]: Finished difference Result 10990 states and 16188 transitions. [2021-11-23 02:47:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2021-11-23 02:47:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:22,649 INFO L225 Difference]: With dead ends: 10990 [2021-11-23 02:47:22,649 INFO L226 Difference]: Without dead ends: 7277 [2021-11-23 02:47:22,702 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 02:47:22,712 INFO L933 BasicCegarLoop]: 6394 mSDtfsCounter, 5293 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 11162 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:22,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5299 Valid, 11162 Invalid, 1351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1338 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2021-11-23 02:47:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2021-11-23 02:47:23,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 7275. [2021-11-23 02:47:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7275 states, 4461 states have (on average 1.3263842187850259) internal successors, (5917), 4585 states have internal predecessors, (5917), 2351 states have call successors, (2351), 463 states have call predecessors, (2351), 462 states have return successors, (2356), 2318 states have call predecessors, (2356), 2350 states have call successors, (2356) [2021-11-23 02:47:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7275 states to 7275 states and 10624 transitions. [2021-11-23 02:47:23,534 INFO L78 Accepts]: Start accepts. Automaton has 7275 states and 10624 transitions. Word has length 64 [2021-11-23 02:47:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:23,535 INFO L470 AbstractCegarLoop]: Abstraction has 7275 states and 10624 transitions. [2021-11-23 02:47:23,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-23 02:47:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7275 states and 10624 transitions. [2021-11-23 02:47:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 02:47:23,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:23,716 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:47:23,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:47:23,717 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:23,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:23,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2052436526, now seen corresponding path program 1 times [2021-11-23 02:47:23,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:23,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168086092] [2021-11-23 02:47:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:23,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 02:47:24,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:24,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168086092] [2021-11-23 02:47:24,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168086092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:24,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:24,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:47:24,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071424929] [2021-11-23 02:47:24,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:24,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:47:24,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:47:24,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:47:24,616 INFO L87 Difference]: Start difference. First operand 7275 states and 10624 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:47:26,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:29,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:33,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:36,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:38,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:42,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:45,357 WARN L534 Checker$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 02:47:47,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:54,070 WARN L534 Checker$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 02:47:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:58,716 INFO L93 Difference]: Finished difference Result 14515 states and 21298 transitions. [2021-11-23 02:47:58,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:47:58,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2021-11-23 02:47:58,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:58,902 INFO L225 Difference]: With dead ends: 14515 [2021-11-23 02:47:58,903 INFO L226 Difference]: Without dead ends: 14510 [2021-11-23 02:47:58,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:47:58,924 INFO L933 BasicCegarLoop]: 6164 mSDtfsCounter, 5285 mSDsluCounter, 12200 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5285 SdHoareTripleChecker+Valid, 17092 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:58,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5285 Valid, 17092 Invalid, 1967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1961 Invalid, 6 Unknown, 0 Unchecked, 33.5s Time] [2021-11-23 02:47:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2021-11-23 02:47:59,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 14501. [2021-11-23 02:47:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14501 states, 8887 states have (on average 1.326431866771689) internal successors, (11788), 9136 states have internal predecessors, (11788), 4689 states have call successors, (4689), 925 states have call predecessors, (4689), 924 states have return successors, (4803), 4623 states have call predecessors, (4803), 4688 states have call successors, (4803) [2021-11-23 02:48:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14501 states to 14501 states and 21280 transitions. [2021-11-23 02:48:00,073 INFO L78 Accepts]: Start accepts. Automaton has 14501 states and 21280 transitions. Word has length 67 [2021-11-23 02:48:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:00,074 INFO L470 AbstractCegarLoop]: Abstraction has 14501 states and 21280 transitions. [2021-11-23 02:48:00,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:48:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14501 states and 21280 transitions. [2021-11-23 02:48:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 02:48:00,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:00,114 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 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] [2021-11-23 02:48:00,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:48:00,115 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 85302885, now seen corresponding path program 1 times [2021-11-23 02:48:00,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:00,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197667413] [2021-11-23 02:48:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:00,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 02:48:00,748 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:00,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197667413] [2021-11-23 02:48:00,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197667413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:00,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:00,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:00,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948256578] [2021-11-23 02:48:00,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:00,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:00,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:00,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:00,754 INFO L87 Difference]: Start difference. First operand 14501 states and 21280 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 02:48:02,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:05,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:08,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:12,564 WARN L534 Checker$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 02:48:14,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:48:23,439 INFO L93 Difference]: Finished difference Result 42402 states and 62226 transitions. [2021-11-23 02:48:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:48:23,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2021-11-23 02:48:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:48:23,862 INFO L225 Difference]: With dead ends: 42402 [2021-11-23 02:48:23,863 INFO L226 Difference]: Without dead ends: 27920 [2021-11-23 02:48:23,958 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 02:48:23,960 INFO L933 BasicCegarLoop]: 6148 mSDtfsCounter, 4906 mSDsluCounter, 5322 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 10861 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:48:23,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4910 Valid, 10861 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1315 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2021-11-23 02:48:23,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27920 states. [2021-11-23 02:48:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27920 to 27911. [2021-11-23 02:48:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27911 states, 17147 states have (on average 1.3286289146789525) internal successors, (22782), 17638 states have internal predecessors, (22782), 8979 states have call successors, (8979), 1785 states have call predecessors, (8979), 1784 states have return successors, (9201), 8847 states have call predecessors, (9201), 8978 states have call successors, (9201) [2021-11-23 02:48:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27911 states to 27911 states and 40962 transitions. [2021-11-23 02:48:25,736 INFO L78 Accepts]: Start accepts. Automaton has 27911 states and 40962 transitions. Word has length 152 [2021-11-23 02:48:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:25,737 INFO L470 AbstractCegarLoop]: Abstraction has 27911 states and 40962 transitions. [2021-11-23 02:48:25,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 02:48:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27911 states and 40962 transitions. [2021-11-23 02:48:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 02:48:25,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:25,848 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:25,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:48:25,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:25,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash -323899820, now seen corresponding path program 1 times [2021-11-23 02:48:25,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:25,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417033687] [2021-11-23 02:48:25,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:25,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 02:48:26,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:26,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417033687] [2021-11-23 02:48:26,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417033687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:26,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:26,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:26,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495416591] [2021-11-23 02:48:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:26,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:26,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:26,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:26,583 INFO L87 Difference]: Start difference. First operand 27911 states and 40962 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-23 02:48:28,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:31,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:36,076 WARN L534 Checker$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 02:48:37,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:39,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:42,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:46,064 WARN L534 Checker$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 02:48:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:48:52,214 INFO L93 Difference]: Finished difference Result 81710 states and 119741 transitions. [2021-11-23 02:48:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:48:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 291 [2021-11-23 02:48:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:48:52,847 INFO L225 Difference]: With dead ends: 81710 [2021-11-23 02:48:52,848 INFO L226 Difference]: Without dead ends: 53818 [2021-11-23 02:48:52,990 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 02:48:52,993 INFO L933 BasicCegarLoop]: 6465 mSDtfsCounter, 4907 mSDsluCounter, 5231 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 11091 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:48:52,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4910 Valid, 11091 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1456 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2021-11-23 02:48:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53818 states. [2021-11-23 02:48:55,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53818 to 53799. [2021-11-23 02:48:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53799 states, 32956 states have (on average 1.32543391188251) internal successors, (43681), 33952 states have internal predecessors, (43681), 17350 states have call successors, (17350), 3497 states have call predecessors, (17350), 3492 states have return successors, (17750), 17069 states have call predecessors, (17750), 17349 states have call successors, (17750) [2021-11-23 02:48:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53799 states to 53799 states and 78781 transitions. [2021-11-23 02:48:56,408 INFO L78 Accepts]: Start accepts. Automaton has 53799 states and 78781 transitions. Word has length 291 [2021-11-23 02:48:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:56,409 INFO L470 AbstractCegarLoop]: Abstraction has 53799 states and 78781 transitions. [2021-11-23 02:48:56,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-23 02:48:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 53799 states and 78781 transitions. [2021-11-23 02:48:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 02:48:56,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:56,476 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:48:56,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:48:56,477 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:56,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1181646837, now seen corresponding path program 1 times [2021-11-23 02:48:56,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:56,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136526839] [2021-11-23 02:48:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:56,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-11-23 02:48:57,182 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:57,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136526839] [2021-11-23 02:48:57,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136526839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:57,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:57,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:57,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445294749] [2021-11-23 02:48:57,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:57,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:57,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:57,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:57,185 INFO L87 Difference]: Start difference. First operand 53799 states and 78781 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-23 02:48:59,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:01,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:49:04,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:08,063 WARN L534 Checker$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 02:49:09,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:11,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:19,403 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 02:49:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:23,433 INFO L93 Difference]: Finished difference Result 133626 states and 195682 transitions. [2021-11-23 02:49:23,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:23,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 211 [2021-11-23 02:49:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:24,187 INFO L225 Difference]: With dead ends: 133626 [2021-11-23 02:49:24,188 INFO L226 Difference]: Without dead ends: 79846 [2021-11-23 02:49:24,516 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 02:49:24,517 INFO L933 BasicCegarLoop]: 9078 mSDtfsCounter, 5161 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5165 SdHoareTripleChecker+Valid, 13585 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:24,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5165 Valid, 13585 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1773 Invalid, 6 Unknown, 0 Unchecked, 23.6s Time] [2021-11-23 02:49:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79846 states. [2021-11-23 02:49:27,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79846 to 79835. [2021-11-23 02:49:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79835 states, 48984 states have (on average 1.3257594316511514) internal successors, (64941), 50460 states have internal predecessors, (64941), 25654 states have call successors, (25654), 5201 states have call predecessors, (25654), 5196 states have return successors, (26252), 25245 states have call predecessors, (26252), 25653 states have call successors, (26252) [2021-11-23 02:49:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79835 states to 79835 states and 116847 transitions. [2021-11-23 02:49:28,841 INFO L78 Accepts]: Start accepts. Automaton has 79835 states and 116847 transitions. Word has length 211 [2021-11-23 02:49:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:28,843 INFO L470 AbstractCegarLoop]: Abstraction has 79835 states and 116847 transitions. [2021-11-23 02:49:28,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-23 02:49:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 79835 states and 116847 transitions. [2021-11-23 02:49:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 02:49:28,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:28,931 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:28,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:49:28,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1304351895, now seen corresponding path program 1 times [2021-11-23 02:49:28,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:28,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118129196] [2021-11-23 02:49:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:28,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-23 02:49:29,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:29,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118129196] [2021-11-23 02:49:29,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118129196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:29,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:29,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:49:29,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271962802] [2021-11-23 02:49:29,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:29,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:49:29,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:29,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:49:29,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:29,720 INFO L87 Difference]: Start difference. First operand 79835 states and 116847 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-23 02:49:31,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:34,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:37,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:49:44,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:46,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:55,029 INFO L93 Difference]: Finished difference Result 233846 states and 342002 transitions. [2021-11-23 02:49:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 235 [2021-11-23 02:49:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:56,269 INFO L225 Difference]: With dead ends: 233846 [2021-11-23 02:49:56,269 INFO L226 Difference]: Without dead ends: 154030 [2021-11-23 02:49:56,569 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 02:49:56,570 INFO L933 BasicCegarLoop]: 6649 mSDtfsCounter, 5096 mSDsluCounter, 5315 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 11356 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:56,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5101 Valid, 11356 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1411 Invalid, 5 Unknown, 0 Unchecked, 21.0s Time] [2021-11-23 02:49:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154030 states. [2021-11-23 02:50:02,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154030 to 154017. [2021-11-23 02:50:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154017 states, 94486 states have (on average 1.325074614228563) internal successors, (125201), 97314 states have internal predecessors, (125201), 49442 states have call successors, (49442), 10097 states have call predecessors, (49442), 10088 states have return successors, (50504), 48641 states have call predecessors, (50504), 49441 states have call successors, (50504) [2021-11-23 02:50:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154017 states to 154017 states and 225147 transitions. [2021-11-23 02:50:03,805 INFO L78 Accepts]: Start accepts. Automaton has 154017 states and 225147 transitions. Word has length 235 [2021-11-23 02:50:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:03,805 INFO L470 AbstractCegarLoop]: Abstraction has 154017 states and 225147 transitions. [2021-11-23 02:50:03,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-23 02:50:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand 154017 states and 225147 transitions. [2021-11-23 02:50:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 02:50:03,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:03,906 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 7, 5, 5, 3, 3, 3, 3, 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] [2021-11-23 02:50:03,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:50:03,907 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:50:03,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash -225192435, now seen corresponding path program 1 times [2021-11-23 02:50:03,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233853755] [2021-11-23 02:50:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:03,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2021-11-23 02:50:04,871 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:04,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233853755] [2021-11-23 02:50:04,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233853755] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:50:04,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996008079] [2021-11-23 02:50:04,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:04,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:50:04,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:50:04,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:50:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 8906 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:50:07,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:50:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-23 02:50:07,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:50:07,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996008079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:07,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:50:07,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-23 02:50:07,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36181564] [2021-11-23 02:50:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:07,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:50:07,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:07,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:50:07,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:07,965 INFO L87 Difference]: Start difference. First operand 154017 states and 225147 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-23 02:50:10,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:12,708 WARN L534 Checker$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 02:50:17,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:20,272 WARN L534 Checker$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 02:50:22,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:26,517 WARN L534 Checker$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 02:50:29,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:33,488 INFO L93 Difference]: Finished difference Result 240493 states and 351557 transitions. [2021-11-23 02:50:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:50:33,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 241 [2021-11-23 02:50:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:33,970 INFO L225 Difference]: With dead ends: 240493 [2021-11-23 02:50:33,970 INFO L226 Difference]: Without dead ends: 86495 [2021-11-23 02:50:34,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:50:34,897 INFO L933 BasicCegarLoop]: 7657 mSDtfsCounter, 5268 mSDsluCounter, 4447 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 11566 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:34,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5271 Valid, 11566 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 21.4s Time] [2021-11-23 02:50:34,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86495 states. [2021-11-23 02:50:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86495 to 86488. [2021-11-23 02:50:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86488 states, 53045 states have (on average 1.3249882175511358) internal successors, (70284), 54639 states have internal predecessors, (70284), 27752 states have call successors, (27752), 5693 states have call predecessors, (27752), 5690 states have return successors, (28372), 27314 states have call predecessors, (28372), 27751 states have call successors, (28372) [2021-11-23 02:50:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86488 states to 86488 states and 126408 transitions. [2021-11-23 02:50:39,058 INFO L78 Accepts]: Start accepts. Automaton has 86488 states and 126408 transitions. Word has length 241 [2021-11-23 02:50:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:39,059 INFO L470 AbstractCegarLoop]: Abstraction has 86488 states and 126408 transitions. [2021-11-23 02:50:39,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-23 02:50:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 86488 states and 126408 transitions. [2021-11-23 02:50:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 02:50:39,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:39,124 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 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] [2021-11-23 02:50:39,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:50:39,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec9911ca-a365-4efb-ba7f-559af2734ea5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:39,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:50:39,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:39,341 INFO L85 PathProgramCache]: Analyzing trace with hash 656397626, now seen corresponding path program 1 times [2021-11-23 02:50:39,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:39,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116987273] [2021-11-23 02:50:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:39,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-23 02:50:39,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:39,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116987273] [2021-11-23 02:50:39,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116987273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:39,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:39,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 02:50:39,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4946914] [2021-11-23 02:50:39,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:39,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:50:39,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:39,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:50:39,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:50:39,973 INFO L87 Difference]: Start difference. First operand 86488 states and 126408 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-23 02:50:42,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:50,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:52,765 WARN L534 Checker$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 02:50:56,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:16,013 WARN L534 Checker$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 02:51:19,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:21,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:25,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:28,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:35,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:39,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:41,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:43,921 WARN L534 Checker$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 02:51:48,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:50,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:52,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:54,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:04,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:06,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:09,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:11,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:14,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:16,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:18,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:21,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:24,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:28,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:30,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:32,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:35,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:37,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:39,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:42,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:44,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:46,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:49,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:51,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:53,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:01,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:01,826 INFO L93 Difference]: Finished difference Result 330506 states and 489452 transitions. [2021-11-23 02:53:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 02:53:01,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 233 [2021-11-23 02:53:01,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:03,609 INFO L225 Difference]: With dead ends: 330506 [2021-11-23 02:53:03,609 INFO L226 Difference]: Without dead ends: 248723 [2021-11-23 02:53:04,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-23 02:53:04,367 INFO L933 BasicCegarLoop]: 10913 mSDtfsCounter, 13964 mSDsluCounter, 27093 mSDsCounter, 0 mSdLazyCounter, 18576 mSolverCounterSat, 2811 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14287 SdHoareTripleChecker+Valid, 33931 SdHoareTripleChecker+Invalid, 21420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2811 IncrementalHoareTripleChecker+Valid, 18576 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:04,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14287 Valid, 33931 Invalid, 21420 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2811 Valid, 18576 Invalid, 33 Unknown, 0 Unchecked, 132.5s Time] [2021-11-23 02:53:04,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248723 states.