./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:39:42,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:39:42,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:39:42,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:39:42,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:39:42,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:39:42,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:39:42,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:39:42,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:39:42,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:39:42,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:39:42,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:39:42,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:39:42,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:39:42,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:39:42,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:39:42,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:39:42,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:39:42,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:39:42,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:39:42,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:39:42,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:39:42,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:39:42,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:39:42,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:39:42,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:39:42,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:39:42,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:39:42,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:39:42,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:39:42,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:39:42,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:39:42,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:39:42,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:39:42,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:39:42,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:39:42,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:39:42,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:39:42,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:39:42,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:39:42,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:39:42,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:39:42,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:39:42,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:39:42,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:39:42,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:39:42,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:39:42,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:39:42,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:39:42,605 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:39:42,605 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:39:42,605 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:39:42,606 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:39:42,606 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:39:42,607 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:39:42,607 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:39:42,607 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:39:42,607 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:39:42,608 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:39:42,608 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:39:42,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:39:42,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:39:42,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:39:42,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:39:42,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:39:42,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:39:42,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:39:42,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:39:42,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:39:42,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:39:42,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:39:42,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:39:42,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:39:42,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:39:42,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:39:42,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:39:42,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:39:42,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:39:42,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:39:42,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:39:42,615 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_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2021-11-20 23:39:42,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:39:42,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:39:42,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:39:42,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:39:42,922 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:39:42,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 23:39:43,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/data/841eeba06/e04f24b0eab64a6489d8b5d670596e05/FLAGed7fd6d0a [2021-11-20 23:39:44,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:39:44,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 23:39:44,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/data/841eeba06/e04f24b0eab64a6489d8b5d670596e05/FLAGed7fd6d0a [2021-11-20 23:39:44,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/data/841eeba06/e04f24b0eab64a6489d8b5d670596e05 [2021-11-20 23:39:44,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:39:44,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:39:44,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:39:44,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:39:44,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:39:44,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:39:44" (1/1) ... [2021-11-20 23:39:44,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3283df3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:44, skipping insertion in model container [2021-11-20 23:39:44,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:39:44" (1/1) ... [2021-11-20 23:39:44,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:39:45,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:39:55,148 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_d329331e-9b78-4703-8723-1e3d762bcc98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-20 23:39:55,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:39:55,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:39:56,718 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_d329331e-9b78-4703-8723-1e3d762bcc98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-20 23:39:56,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:39:57,091 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:39:57,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57 WrapperNode [2021-11-20 23:39:57,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:39:57,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:39:57,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:39:57,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:39:57,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:57,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:57,823 INFO L137 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14259 [2021-11-20 23:39:57,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:39:57,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:39:57,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:39:57,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:39:57,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:57,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:57,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:57,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:58,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:58,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:58,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:58,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:39:58,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:39:58,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:39:58,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:39:58,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (1/1) ... [2021-11-20 23:39:58,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:39:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:39:58,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:39:58,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:39:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 23:39:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 23:39:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-20 23:39:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-20 23:39:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-20 23:39:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-20 23:39:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-20 23:39:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-20 23:39:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-20 23:39:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-20 23:39:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-20 23:39:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-20 23:39:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-20 23:39:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-20 23:39:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:39:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:39:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-20 23:39:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-20 23:39:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 23:39:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 23:39:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-20 23:39:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-20 23:39:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-20 23:39:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-20 23:39:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-20 23:39:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-20 23:39:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-20 23:39:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-20 23:39:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-20 23:39:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-20 23:39:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-20 23:39:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-20 23:39:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-20 23:39:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-20 23:39:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 23:39:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 23:39:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 23:39:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 23:39:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 23:39:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 23:39:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-20 23:39:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-20 23:39:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:39:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:39:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 23:39:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 23:39:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-20 23:39:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-20 23:39:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-20 23:39:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-20 23:39:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-20 23:39:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-20 23:39:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-20 23:39:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-20 23:39:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 23:39:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 23:39:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-20 23:39:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-20 23:39:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-20 23:39:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-20 23:39:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-20 23:39:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-20 23:39:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-20 23:39:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-20 23:39:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-20 23:39:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-20 23:39:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:39:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:39:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-20 23:39:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-20 23:39:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-20 23:39:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-20 23:39:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-20 23:39:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-20 23:39:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:39:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-20 23:39:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-20 23:39:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-20 23:39:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-20 23:39:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 23:39:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 23:39:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 23:39:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 23:39:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:39:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:39:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 23:39:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 23:39:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-20 23:39:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-20 23:39:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-20 23:39:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-20 23:39:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:39:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:39:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 23:39:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 23:39:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:39:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:39:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-20 23:39:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-20 23:39:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 23:39:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 23:39:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 23:39:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 23:39:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-20 23:39:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-20 23:39:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 23:39:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 23:39:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-20 23:39:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-20 23:39:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-20 23:39:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-20 23:39:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:39:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-20 23:39:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-20 23:39:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-20 23:39:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-20 23:39:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 23:39:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 23:39:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:39:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:39:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:39:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-20 23:39:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-20 23:39:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:39:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:39:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-20 23:39:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-20 23:39:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-20 23:39:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-20 23:39:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:39:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:39:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-20 23:39:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-20 23:39:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-20 23:39:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-20 23:39:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-20 23:39:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-20 23:39:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 23:39:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 23:39:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-20 23:39:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-20 23:39:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-20 23:39:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-20 23:39:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:39:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:39:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-20 23:39:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-20 23:39:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:39:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:39:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-20 23:39:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-20 23:39:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 23:39:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 23:39:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-20 23:39:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-20 23:39:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 23:39:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 23:39:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:39:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:39:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:39:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:39:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 23:39:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 23:39:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-20 23:39:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-20 23:39:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 23:39:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 23:39:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:39:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 23:39:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 23:39:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 23:39:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 23:39:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:39:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-20 23:39:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-20 23:39:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-20 23:39:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-20 23:39:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-20 23:39:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-20 23:39:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-20 23:39:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-20 23:39:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-20 23:39:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-20 23:39:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-20 23:39:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-20 23:39:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:39:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:39:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-20 23:39:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-20 23:39:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-20 23:39:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-20 23:39:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 23:39:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 23:39:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 23:39:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 23:39:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 23:39:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 23:39:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 23:39:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 23:39:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 23:39:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 23:39:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-20 23:39:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-20 23:39:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:39:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:39:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 23:39:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 23:39:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 23:39:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 23:39:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:39:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:39:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 23:39:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 23:39:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 23:39:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 23:39:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-20 23:39:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-20 23:39:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:39:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 23:39:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 23:39:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:39:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:39:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-20 23:39:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-20 23:39:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 23:39:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 23:39:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 23:39:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 23:39:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:39:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:39:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:39:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-20 23:39:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-20 23:39:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 23:39:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 23:39:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-20 23:39:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-20 23:39:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-20 23:39:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-20 23:39:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-20 23:39:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-20 23:39:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-20 23:39:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-20 23:39:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-20 23:39:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:39:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:39:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 23:39:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 23:39:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-20 23:39:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-20 23:39:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 23:39:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 23:39:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-20 23:39:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-20 23:39:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:39:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:39:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:39:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:39:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-20 23:39:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-20 23:39:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-20 23:39:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-20 23:39:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-20 23:39:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-20 23:39:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:39:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:39:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 23:39:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 23:39:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 23:39:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 23:39:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-20 23:39:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-20 23:39:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 23:39:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 23:39:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-20 23:39:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-20 23:39:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 23:39:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 23:39:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:39:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 23:39:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 23:39:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:39:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:39:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-20 23:39:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-20 23:39:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:39:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:39:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-20 23:39:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-20 23:39:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-20 23:39:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-20 23:39:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-20 23:39:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-20 23:39:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-20 23:39:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-20 23:39:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 23:39:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 23:39:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 23:39:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 23:39:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-20 23:39:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-20 23:39:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-20 23:39:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-20 23:39:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 23:39:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 23:39:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-20 23:39:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-20 23:39:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-20 23:39:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-20 23:39:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-20 23:39:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-20 23:39:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:39:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:39:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-20 23:39:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-20 23:39:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:39:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:39:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-20 23:39:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-20 23:39:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-20 23:39:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-20 23:39:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-20 23:39:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-20 23:39:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-20 23:39:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-20 23:39:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:39:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:39:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 23:39:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 23:39:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-20 23:39:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-20 23:39:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-20 23:39:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-20 23:39:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-20 23:39:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-20 23:39:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-20 23:39:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-20 23:39:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 23:39:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 23:39:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-20 23:39:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-20 23:39:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-20 23:39:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-20 23:39:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 23:39:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 23:39:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:39:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-20 23:39:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-20 23:39:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 23:39:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 23:39:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:39:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:39:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:39:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 23:39:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 23:39:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 23:39:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 23:39:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-20 23:39:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-20 23:39:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:39:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-20 23:39:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-20 23:39:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-20 23:39:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-20 23:39:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 23:39:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 23:39:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:39:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:39:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-20 23:39:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-20 23:39:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-20 23:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-20 23:39:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-20 23:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-20 23:39:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:39:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-20 23:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-20 23:39:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-20 23:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-20 23:39:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-20 23:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-20 23:39:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-20 23:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-20 23:39:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 23:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 23:39:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:39:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-20 23:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-20 23:39:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-20 23:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-20 23:39:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:39:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-20 23:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-20 23:39:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-20 23:39:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-20 23:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 23:39:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 23:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 23:39:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 23:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-20 23:39:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-20 23:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:39:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 23:39:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 23:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 23:39:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 23:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-20 23:39:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-20 23:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 23:39:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 23:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 23:39:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 23:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-20 23:39:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-20 23:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-20 23:39:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-20 23:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-20 23:39:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-20 23:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-20 23:39:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-20 23:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-20 23:39:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-20 23:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-20 23:39:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-20 23:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-20 23:39:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-20 23:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-20 23:39:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-20 23:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 23:39:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 23:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-20 23:39:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-20 23:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-20 23:39:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-20 23:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:39:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 23:39:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 23:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-20 23:39:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-20 23:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-20 23:39:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-20 23:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 23:39:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 23:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-20 23:39:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-20 23:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-20 23:39:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-20 23:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-20 23:39:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-20 23:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-20 23:39:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-20 23:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:39:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-20 23:39:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-20 23:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-20 23:39:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-20 23:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-20 23:39:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-20 23:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 23:39:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 23:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-20 23:39:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-20 23:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-20 23:39:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-20 23:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-20 23:39:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-20 23:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-20 23:39:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-20 23:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-20 23:39:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-20 23:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-20 23:39:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-20 23:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 23:39:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 23:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-20 23:39:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-20 23:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:39:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-20 23:39:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-20 23:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-20 23:39:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-20 23:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-20 23:39:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-20 23:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-20 23:39:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-20 23:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:39:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-20 23:39:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-20 23:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 23:39:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 23:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-20 23:39:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-20 23:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-20 23:39:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-20 23:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-20 23:39:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-20 23:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-20 23:39:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-20 23:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 23:39:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 23:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-20 23:39:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-20 23:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-20 23:39:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-20 23:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-20 23:39:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-20 23:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-20 23:39:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-20 23:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:39:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:39:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 23:39:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 23:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 23:39:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 23:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:39:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-20 23:39:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-20 23:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-20 23:39:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-20 23:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:39:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:39:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 23:40:00,801 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:40:00,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:40:27,513 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:40:34,967 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:40:34,967 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:40:34,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:34 BoogieIcfgContainer [2021-11-20 23:40:34,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:40:34,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:40:34,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:40:34,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:40:34,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:39:44" (1/3) ... [2021-11-20 23:40:34,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614e3f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:34, skipping insertion in model container [2021-11-20 23:40:34,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:39:57" (2/3) ... [2021-11-20 23:40:34,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614e3f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:34, skipping insertion in model container [2021-11-20 23:40:34,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:34" (3/3) ... [2021-11-20 23:40:34,986 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 23:40:34,992 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:40:34,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:40:35,066 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:40:35,075 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 [2021-11-20 23:40:35,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:40:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 4070 states, 2511 states have (on average 1.34926324173636) internal successors, (3388), 2654 states have internal predecessors, (3388), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-20 23:40:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 23:40:35,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:40:35,201 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:40:35,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:40:35,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:40:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash -136497681, now seen corresponding path program 1 times [2021-11-20 23:40:35,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:40:35,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738427436] [2021-11-20 23:40:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:35,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:40:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:40:36,682 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:40:36,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738427436] [2021-11-20 23:40:36,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738427436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:40:36,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:40:36,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:40:36,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890029613] [2021-11-20 23:40:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:40:36,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:40:36,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:40:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:40:36,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:36,750 INFO L87 Difference]: Start difference. First operand has 4070 states, 2511 states have (on average 1.34926324173636) internal successors, (3388), 2654 states have internal predecessors, (3388), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:40:38,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:42,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:44,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:47,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:50,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:40:50,781 INFO L93 Difference]: Finished difference Result 11473 states and 17251 transitions. [2021-11-20 23:40:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:40:50,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-11-20 23:40:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:40:50,878 INFO L225 Difference]: With dead ends: 11473 [2021-11-20 23:40:50,878 INFO L226 Difference]: Without dead ends: 7397 [2021-11-20 23:40:50,949 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 [2021-11-20 23:40:50,953 INFO L933 BasicCegarLoop]: 6442 mSDtfsCounter, 5685 mSDsluCounter, 5146 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5687 SdHoareTripleChecker+Valid, 11088 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:40:50,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5687 Valid, 11088 Invalid, 1097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1095 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2021-11-20 23:40:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7397 states. [2021-11-20 23:40:51,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7397 to 7389. [2021-11-20 23:40:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7389 states, 4536 states have (on average 1.341931216931217) internal successors, (6087), 4793 states have internal predecessors, (6087), 2367 states have call successors, (2367), 488 states have call predecessors, (2367), 485 states have return successors, (2358), 2262 states have call predecessors, (2358), 2357 states have call successors, (2358) [2021-11-20 23:40:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7389 states to 7389 states and 10812 transitions. [2021-11-20 23:40:51,690 INFO L78 Accepts]: Start accepts. Automaton has 7389 states and 10812 transitions. Word has length 18 [2021-11-20 23:40:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:40:51,691 INFO L470 AbstractCegarLoop]: Abstraction has 7389 states and 10812 transitions. [2021-11-20 23:40:51,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:40:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 7389 states and 10812 transitions. [2021-11-20 23:40:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:40:51,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:40:51,696 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:40:51,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:40:51,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:40:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:40:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 61303883, now seen corresponding path program 1 times [2021-11-20 23:40:51,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:40:51,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625680308] [2021-11-20 23:40:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:51,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:40:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:40:52,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:40:52,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625680308] [2021-11-20 23:40:52,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625680308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:40:52,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:40:52,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:40:52,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386522069] [2021-11-20 23:40:52,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:40:52,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:40:52,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:40:52,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:40:52,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:52,720 INFO L87 Difference]: Start difference. First operand 7389 states and 10812 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:40:54,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:00,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:03,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:05,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:07,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:07,600 INFO L93 Difference]: Finished difference Result 19295 states and 28735 transitions. [2021-11-20 23:41:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:07,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2021-11-20 23:41:07,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:07,745 INFO L225 Difference]: With dead ends: 19295 [2021-11-20 23:41:07,745 INFO L226 Difference]: Without dead ends: 11914 [2021-11-20 23:41:07,833 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 [2021-11-20 23:41:07,840 INFO L933 BasicCegarLoop]: 8261 mSDtfsCounter, 4923 mSDsluCounter, 4433 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 12207 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:07,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4924 Valid, 12207 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1445 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2021-11-20 23:41:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11914 states. [2021-11-20 23:41:08,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11914 to 11895. [2021-11-20 23:41:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11895 states, 7270 states have (on average 1.3356258596973865) internal successors, (9710), 7748 states have internal predecessors, (9710), 3786 states have call successors, (3786), 890 states have call predecessors, (3786), 838 states have return successors, (3880), 3528 states have call predecessors, (3880), 3769 states have call successors, (3880) [2021-11-20 23:41:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11895 states to 11895 states and 17376 transitions. [2021-11-20 23:41:08,945 INFO L78 Accepts]: Start accepts. Automaton has 11895 states and 17376 transitions. Word has length 19 [2021-11-20 23:41:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:08,947 INFO L470 AbstractCegarLoop]: Abstraction has 11895 states and 17376 transitions. [2021-11-20 23:41:08,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:41:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 11895 states and 17376 transitions. [2021-11-20 23:41:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:41:08,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:08,949 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:08,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:41:08,950 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:08,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1898189938, now seen corresponding path program 1 times [2021-11-20 23:41:08,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:08,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005338732] [2021-11-20 23:41:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:08,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:09,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:09,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005338732] [2021-11-20 23:41:09,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005338732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:09,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:09,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:41:09,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403575341] [2021-11-20 23:41:09,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:09,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:41:09,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:41:09,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:09,578 INFO L87 Difference]: Start difference. First operand 11895 states and 17376 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:41:11,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:14,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:17,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:20,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:24,356 INFO L93 Difference]: Finished difference Result 11968 states and 17454 transitions. [2021-11-20 23:41:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:24,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-20 23:41:24,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:24,457 INFO L225 Difference]: With dead ends: 11968 [2021-11-20 23:41:24,457 INFO L226 Difference]: Without dead ends: 11965 [2021-11-20 23:41:24,466 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 [2021-11-20 23:41:24,467 INFO L933 BasicCegarLoop]: 6430 mSDtfsCounter, 5652 mSDsluCounter, 5155 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5657 SdHoareTripleChecker+Valid, 11084 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:24,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5657 Valid, 11084 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1094 Invalid, 4 Unknown, 0 Unchecked, 14.4s Time] [2021-11-20 23:41:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11965 states. [2021-11-20 23:41:25,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11965 to 11934. [2021-11-20 23:41:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11934 states, 7295 states have (on average 1.3355723098012338) internal successors, (9743), 7775 states have internal predecessors, (9743), 3790 states have call successors, (3790), 900 states have call predecessors, (3790), 848 states have return successors, (3885), 3530 states have call predecessors, (3885), 3774 states have call successors, (3885) [2021-11-20 23:41:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11934 states to 11934 states and 17418 transitions. [2021-11-20 23:41:25,288 INFO L78 Accepts]: Start accepts. Automaton has 11934 states and 17418 transitions. Word has length 20 [2021-11-20 23:41:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:25,289 INFO L470 AbstractCegarLoop]: Abstraction has 11934 states and 17418 transitions. [2021-11-20 23:41:25,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:41:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 11934 states and 17418 transitions. [2021-11-20 23:41:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 23:41:25,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:25,291 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:41:25,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:41:25,291 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:25,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:25,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1287879634, now seen corresponding path program 1 times [2021-11-20 23:41:25,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:25,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046601734] [2021-11-20 23:41:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:25,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:25,960 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:25,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046601734] [2021-11-20 23:41:25,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046601734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:25,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:25,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:41:25,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056086479] [2021-11-20 23:41:25,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:25,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:41:25,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:25,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:41:25,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:41:25,963 INFO L87 Difference]: Start difference. First operand 11934 states and 17418 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:41:31,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:33,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:41,042 INFO L93 Difference]: Finished difference Result 35682 states and 54341 transitions. [2021-11-20 23:41:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:41:41,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-11-20 23:41:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:41,183 INFO L225 Difference]: With dead ends: 35682 [2021-11-20 23:41:41,184 INFO L226 Difference]: Without dead ends: 23751 [2021-11-20 23:41:41,268 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 [2021-11-20 23:41:41,269 INFO L933 BasicCegarLoop]: 9777 mSDtfsCounter, 6104 mSDsluCounter, 6136 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6105 SdHoareTripleChecker+Valid, 15325 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:41,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6105 Valid, 15325 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1586 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2021-11-20 23:41:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23751 states. [2021-11-20 23:41:42,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23751 to 23721. [2021-11-20 23:41:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23721 states, 14496 states have (on average 1.336092715231788) internal successors, (19368), 15453 states have internal predecessors, (19368), 7532 states have call successors, (7532), 1794 states have call predecessors, (7532), 1692 states have return successors, (8834), 7015 states have call predecessors, (8834), 7515 states have call successors, (8834) [2021-11-20 23:41:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23721 states to 23721 states and 35734 transitions. [2021-11-20 23:41:43,081 INFO L78 Accepts]: Start accepts. Automaton has 23721 states and 35734 transitions. Word has length 21 [2021-11-20 23:41:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:43,081 INFO L470 AbstractCegarLoop]: Abstraction has 23721 states and 35734 transitions. [2021-11-20 23:41:43,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:41:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 23721 states and 35734 transitions. [2021-11-20 23:41:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-20 23:41:43,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:43,092 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:41:43,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:41:43,092 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:43,093 INFO L85 PathProgramCache]: Analyzing trace with hash 729049052, now seen corresponding path program 1 times [2021-11-20 23:41:43,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:41:43,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421443950] [2021-11-20 23:41:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:43,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:41:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:43,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:43,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421443950] [2021-11-20 23:41:43,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421443950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:43,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:43,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:41:43,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424761880] [2021-11-20 23:41:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:43,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:41:43,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:41:43,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:41:43,985 INFO L87 Difference]: Start difference. First operand 23721 states and 35734 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 23:41:46,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:48,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:50,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:54,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:57,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:05,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:05,413 INFO L93 Difference]: Finished difference Result 47450 states and 71506 transitions. [2021-11-20 23:42:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:42:05,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2021-11-20 23:42:05,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:05,558 INFO L225 Difference]: With dead ends: 47450 [2021-11-20 23:42:05,558 INFO L226 Difference]: Without dead ends: 23737 [2021-11-20 23:42:05,682 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 [2021-11-20 23:42:05,685 INFO L933 BasicCegarLoop]: 5361 mSDtfsCounter, 2 mSDsluCounter, 11898 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16080 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:05,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 16080 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1775 Invalid, 4 Unknown, 0 Unchecked, 20.3s Time] [2021-11-20 23:42:05,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23737 states. [2021-11-20 23:42:07,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23737 to 23737. [2021-11-20 23:42:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23737 states, 14508 states have (on average 1.3358147229114972) internal successors, (19380), 15469 states have internal predecessors, (19380), 7532 states have call successors, (7532), 1794 states have call predecessors, (7532), 1696 states have return successors, (8842), 7015 states have call predecessors, (8842), 7515 states have call successors, (8842) [2021-11-20 23:42:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23737 states to 23737 states and 35754 transitions. [2021-11-20 23:42:07,450 INFO L78 Accepts]: Start accepts. Automaton has 23737 states and 35754 transitions. Word has length 60 [2021-11-20 23:42:07,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:07,451 INFO L470 AbstractCegarLoop]: Abstraction has 23737 states and 35754 transitions. [2021-11-20 23:42:07,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 23:42:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 23737 states and 35754 transitions. [2021-11-20 23:42:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 23:42:07,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:07,454 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:42:07,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:42:07,455 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash 640171442, now seen corresponding path program 1 times [2021-11-20 23:42:07,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:42:07,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441634058] [2021-11-20 23:42:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:07,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:42:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:42:09,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:42:09,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441634058] [2021-11-20 23:42:09,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441634058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:42:09,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:42:09,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:42:09,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052487400] [2021-11-20 23:42:09,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:09,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:42:09,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:42:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:42:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:42:09,662 INFO L87 Difference]: Start difference. First operand 23737 states and 35754 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-20 23:42:12,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:16,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:19,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:24,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:29,997 INFO L93 Difference]: Finished difference Result 53163 states and 81547 transitions. [2021-11-20 23:42:29,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:42:29,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 61 [2021-11-20 23:42:29,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:30,186 INFO L225 Difference]: With dead ends: 53163 [2021-11-20 23:42:30,186 INFO L226 Difference]: Without dead ends: 29434 [2021-11-20 23:42:30,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:42:30,360 INFO L933 BasicCegarLoop]: 6248 mSDtfsCounter, 4342 mSDsluCounter, 11050 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4343 SdHoareTripleChecker+Valid, 16210 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:30,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4343 Valid, 16210 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1729 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2021-11-20 23:42:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29434 states. [2021-11-20 23:42:32,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29434 to 29324. [2021-11-20 23:42:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29324 states, 17952 states have (on average 1.3387366310160427) internal successors, (24033), 19175 states have internal predecessors, (24033), 9240 states have call successors, (9240), 2267 states have call predecessors, (9240), 2131 states have return successors, (10259), 8549 states have call predecessors, (10259), 9086 states have call successors, (10259) [2021-11-20 23:42:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29324 states to 29324 states and 43532 transitions. [2021-11-20 23:42:32,631 INFO L78 Accepts]: Start accepts. Automaton has 29324 states and 43532 transitions. Word has length 61 [2021-11-20 23:42:32,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:32,632 INFO L470 AbstractCegarLoop]: Abstraction has 29324 states and 43532 transitions. [2021-11-20 23:42:32,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-20 23:42:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 29324 states and 43532 transitions. [2021-11-20 23:42:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 23:42:32,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:32,636 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:42:32,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:42:32,637 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:32,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1392037110, now seen corresponding path program 1 times [2021-11-20 23:42:32,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:42:32,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827275607] [2021-11-20 23:42:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:42:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:42:33,534 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:42:33,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827275607] [2021-11-20 23:42:33,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827275607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:42:33,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:42:33,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:42:33,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745493261] [2021-11-20 23:42:33,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:33,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:42:33,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:42:33,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:42:33,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:42:33,538 INFO L87 Difference]: Start difference. First operand 29324 states and 43532 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-20 23:42:36,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:45,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:53,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:42:59,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:03,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:05,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:08,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:13,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:13,303 INFO L93 Difference]: Finished difference Result 31665 states and 47233 transitions. [2021-11-20 23:43:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:43:13,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 62 [2021-11-20 23:43:13,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:13,468 INFO L225 Difference]: With dead ends: 31665 [2021-11-20 23:43:13,468 INFO L226 Difference]: Without dead ends: 31657 [2021-11-20 23:43:13,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:43:13,486 INFO L933 BasicCegarLoop]: 7515 mSDtfsCounter, 6398 mSDsluCounter, 4725 mSDsCounter, 0 mSdLazyCounter, 7969 mSolverCounterSat, 4382 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7365 SdHoareTripleChecker+Valid, 11549 SdHoareTripleChecker+Invalid, 12357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4382 IncrementalHoareTripleChecker+Valid, 7969 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:13,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7365 Valid, 11549 Invalid, 12357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4382 Valid, 7969 Invalid, 6 Unknown, 0 Unchecked, 38.5s Time] [2021-11-20 23:43:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31657 states. [2021-11-20 23:43:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31657 to 31586. [2021-11-20 23:43:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31586 states, 19410 states have (on average 1.3419371458011335) internal successors, (26047), 20711 states have internal predecessors, (26047), 9920 states have call successors, (9920), 2281 states have call predecessors, (9920), 2255 states have return successors, (11162), 9314 states have call predecessors, (11162), 9766 states have call successors, (11162) [2021-11-20 23:43:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31586 states to 31586 states and 47129 transitions. [2021-11-20 23:43:15,708 INFO L78 Accepts]: Start accepts. Automaton has 31586 states and 47129 transitions. Word has length 62 [2021-11-20 23:43:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:15,709 INFO L470 AbstractCegarLoop]: Abstraction has 31586 states and 47129 transitions. [2021-11-20 23:43:15,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-20 23:43:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 31586 states and 47129 transitions. [2021-11-20 23:43:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-20 23:43:15,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:15,713 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:43:15,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:43:15,713 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:43:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -318569534, now seen corresponding path program 1 times [2021-11-20 23:43:15,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:15,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635040293] [2021-11-20 23:43:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:15,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:43:16,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:16,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635040293] [2021-11-20 23:43:16,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635040293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:16,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:16,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:43:16,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479631568] [2021-11-20 23:43:16,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:16,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:43:16,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:16,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:43:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:43:16,712 INFO L87 Difference]: Start difference. First operand 31586 states and 47129 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-20 23:43:18,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:20,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:22,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:24,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:26,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:31,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:33,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:36,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:39,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:46,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:49,033 INFO L93 Difference]: Finished difference Result 43591 states and 64747 transitions. [2021-11-20 23:43:49,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:43:49,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2021-11-20 23:43:49,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:49,103 INFO L225 Difference]: With dead ends: 43591 [2021-11-20 23:43:49,104 INFO L226 Difference]: Without dead ends: 12015 [2021-11-20 23:43:49,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:43:49,265 INFO L933 BasicCegarLoop]: 6849 mSDtfsCounter, 8280 mSDsluCounter, 11832 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 3269 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8281 SdHoareTripleChecker+Valid, 17376 SdHoareTripleChecker+Invalid, 5484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3269 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:49,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8281 Valid, 17376 Invalid, 5484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3269 Valid, 2208 Invalid, 7 Unknown, 0 Unchecked, 31.3s Time] [2021-11-20 23:43:49,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12015 states. [2021-11-20 23:43:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12015 to 11792. [2021-11-20 23:43:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11792 states, 7259 states have (on average 1.3481195756991322) internal successors, (9786), 7819 states have internal predecessors, (9786), 3598 states have call successors, (3598), 1014 states have call predecessors, (3598), 934 states have return successors, (3617), 3210 states have call predecessors, (3617), 3443 states have call successors, (3617) [2021-11-20 23:43:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11792 states to 11792 states and 17001 transitions. [2021-11-20 23:43:50,179 INFO L78 Accepts]: Start accepts. Automaton has 11792 states and 17001 transitions. Word has length 68 [2021-11-20 23:43:50,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:50,180 INFO L470 AbstractCegarLoop]: Abstraction has 11792 states and 17001 transitions. [2021-11-20 23:43:50,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-20 23:43:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 11792 states and 17001 transitions. [2021-11-20 23:43:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 23:43:50,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:50,184 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:43:50,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:43:50,185 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:43:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1218684902, now seen corresponding path program 1 times [2021-11-20 23:43:50,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:50,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411275291] [2021-11-20 23:43:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:50,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:43:51,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:51,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411275291] [2021-11-20 23:43:51,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411275291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:51,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:51,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 23:43:51,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775110048] [2021-11-20 23:43:51,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:51,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:43:51,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:51,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:43:51,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:43:51,027 INFO L87 Difference]: Start difference. First operand 11792 states and 17001 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 23:43:55,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:43:58,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:00,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:03,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:12,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:16,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:18,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:44:18,925 INFO L93 Difference]: Finished difference Result 12044 states and 17330 transitions. [2021-11-20 23:44:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:44:18,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2021-11-20 23:44:18,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:44:18,957 INFO L225 Difference]: With dead ends: 12044 [2021-11-20 23:44:18,958 INFO L226 Difference]: Without dead ends: 12036 [2021-11-20 23:44:18,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:44:18,963 INFO L933 BasicCegarLoop]: 3084 mSDtfsCounter, 6478 mSDsluCounter, 3027 mSDsCounter, 0 mSdLazyCounter, 4829 mSolverCounterSat, 4277 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7224 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 9109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4277 IncrementalHoareTripleChecker+Valid, 4829 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:44:18,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7224 Valid, 5668 Invalid, 9109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4277 Valid, 4829 Invalid, 3 Unknown, 0 Unchecked, 27.3s Time] [2021-11-20 23:44:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12036 states. [2021-11-20 23:44:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12036 to 11912. [2021-11-20 23:44:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11912 states, 7339 states have (on average 1.348003815233683) internal successors, (9893), 7899 states have internal predecessors, (9893), 3626 states have call successors, (3626), 1026 states have call predecessors, (3626), 946 states have return successors, (3661), 3238 states have call predecessors, (3661), 3471 states have call successors, (3661) [2021-11-20 23:44:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 11912 states and 17180 transitions. [2021-11-20 23:44:19,716 INFO L78 Accepts]: Start accepts. Automaton has 11912 states and 17180 transitions. Word has length 69 [2021-11-20 23:44:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:44:19,716 INFO L470 AbstractCegarLoop]: Abstraction has 11912 states and 17180 transitions. [2021-11-20 23:44:19,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 23:44:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 11912 states and 17180 transitions. [2021-11-20 23:44:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-20 23:44:19,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:44:19,724 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:44:19,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:44:19,725 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:44:19,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:44:19,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2028989971, now seen corresponding path program 1 times [2021-11-20 23:44:19,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:44:19,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176944234] [2021-11-20 23:44:19,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:44:19,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:44:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:44:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-20 23:44:20,286 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:44:20,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176944234] [2021-11-20 23:44:20,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176944234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:44:20,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:44:20,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:44:20,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210801013] [2021-11-20 23:44:20,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:44:20,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:44:20,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:44:20,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:44:20,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:44:20,290 INFO L87 Difference]: Start difference. First operand 11912 states and 17180 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 23:44:22,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:24,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:28,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:31,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:32,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:44:32,278 INFO L93 Difference]: Finished difference Result 23822 states and 34381 transitions. [2021-11-20 23:44:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:44:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2021-11-20 23:44:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:44:32,325 INFO L225 Difference]: With dead ends: 23822 [2021-11-20 23:44:32,326 INFO L226 Difference]: Without dead ends: 11920 [2021-11-20 23:44:32,364 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 [2021-11-20 23:44:32,365 INFO L933 BasicCegarLoop]: 3514 mSDtfsCounter, 2 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7026 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:44:32,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 7026 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 884 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2021-11-20 23:44:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11920 states. [2021-11-20 23:44:32,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11920 to 11916. [2021-11-20 23:44:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11916 states, 7343 states have (on average 1.3478142448590493) internal successors, (9897), 7903 states have internal predecessors, (9897), 3626 states have call successors, (3626), 1026 states have call predecessors, (3626), 946 states have return successors, (3661), 3238 states have call predecessors, (3661), 3471 states have call successors, (3661) [2021-11-20 23:44:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11916 states to 11916 states and 17184 transitions. [2021-11-20 23:44:33,026 INFO L78 Accepts]: Start accepts. Automaton has 11916 states and 17184 transitions. Word has length 91 [2021-11-20 23:44:33,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:44:33,026 INFO L470 AbstractCegarLoop]: Abstraction has 11916 states and 17184 transitions. [2021-11-20 23:44:33,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 23:44:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 11916 states and 17184 transitions. [2021-11-20 23:44:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 23:44:33,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:44:33,032 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:44:33,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:44:33,033 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:44:33,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:44:33,034 INFO L85 PathProgramCache]: Analyzing trace with hash -919745141, now seen corresponding path program 1 times [2021-11-20 23:44:33,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:44:33,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832183123] [2021-11-20 23:44:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:44:33,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:44:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:44:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-20 23:44:33,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:44:33,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832183123] [2021-11-20 23:44:33,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832183123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:44:33,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:44:33,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:44:33,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410110825] [2021-11-20 23:44:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:44:33,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:44:33,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:44:33,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:44:33,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:44:33,737 INFO L87 Difference]: Start difference. First operand 11916 states and 17184 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 23:44:39,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:41,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:42,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:44:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:44:43,204 INFO L93 Difference]: Finished difference Result 23826 states and 34381 transitions. [2021-11-20 23:44:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:44:43,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 93 [2021-11-20 23:44:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:44:43,241 INFO L225 Difference]: With dead ends: 23826 [2021-11-20 23:44:43,242 INFO L226 Difference]: Without dead ends: 11920 [2021-11-20 23:44:43,277 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 [2021-11-20 23:44:43,278 INFO L933 BasicCegarLoop]: 3515 mSDtfsCounter, 0 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7028 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:44:43,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7028 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 883 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2021-11-20 23:44:43,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11920 states. [2021-11-20 23:44:43,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11920 to 11920. [2021-11-20 23:44:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11920 states, 7347 states have (on average 1.3476248809037703) internal successors, (9901), 7907 states have internal predecessors, (9901), 3626 states have call successors, (3626), 1026 states have call predecessors, (3626), 946 states have return successors, (3661), 3238 states have call predecessors, (3661), 3471 states have call successors, (3661) [2021-11-20 23:44:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11920 states to 11920 states and 17188 transitions. [2021-11-20 23:44:43,900 INFO L78 Accepts]: Start accepts. Automaton has 11920 states and 17188 transitions. Word has length 93 [2021-11-20 23:44:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:44:43,901 INFO L470 AbstractCegarLoop]: Abstraction has 11920 states and 17188 transitions. [2021-11-20 23:44:43,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 23:44:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11920 states and 17188 transitions. [2021-11-20 23:44:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-20 23:44:43,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:44:43,908 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:44:43,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:44:43,908 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:44:43,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:44:43,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1206779423, now seen corresponding path program 1 times [2021-11-20 23:44:43,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:44:43,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733255379] [2021-11-20 23:44:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:44:43,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:44:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:44:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-20 23:44:44,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:44:44,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733255379] [2021-11-20 23:44:44,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733255379] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:44:44,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984729389] [2021-11-20 23:44:44,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:44:44,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:44:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:44:44,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:44:44,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d329331e-9b78-4703-8723-1e3d762bcc98/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:44:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:44:48,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 10617 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:44:48,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:44:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-20 23:44:48,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:44:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-20 23:44:48,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984729389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:44:48,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1600796175] [2021-11-20 23:44:48,766 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2021-11-20 23:44:48,766 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:44:48,773 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:44:48,779 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:44:48,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:46:47,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6