./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS --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 16a1834859d6e79a3ffde73cf1cc64a77737592f9d48684edb7ee0bfc6a01ee8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:04:49,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:04:49,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:04:49,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:04:49,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:04:49,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:04:49,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:04:49,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:04:49,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:04:49,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:04:49,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:04:49,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:04:49,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:04:49,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:04:49,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:04:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:04:49,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:04:49,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:04:49,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:04:49,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:04:49,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:04:49,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:04:49,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:04:49,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:04:49,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:04:49,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:04:49,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:04:49,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:04:49,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:04:49,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:04:49,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:04:49,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:04:49,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:04:49,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:04:49,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:04:49,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:04:49,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:04:49,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:04:49,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:04:49,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:04:49,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:04:49,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:04:49,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:04:49,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:04:49,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:04:49,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:04:49,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:04:49,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:04:49,851 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:04:49,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:04:49,852 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:04:49,852 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:04:49,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:04:49,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:04:49,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:04:49,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:04:49,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:04:49,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:04:49,855 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:04:49,855 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:04:49,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:04:49,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:04:49,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:04:49,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:04:49,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:04:49,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:04:49,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:04:49,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:04:49,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:04:49,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:04:49,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:04:49,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:04:49,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:04:49,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:04:49,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:04:49,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:04:49,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:04:49,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:04:49,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:04:49,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:04:49,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a1834859d6e79a3ffde73cf1cc64a77737592f9d48684edb7ee0bfc6a01ee8 [2022-11-19 08:04:50,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:04:50,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:04:50,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:04:50,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:04:50,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:04:50,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i [2022-11-19 08:04:50,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/data/dd9690737/46f4182eca9841a090a5c33a0fe07e66/FLAG7d0277485 [2022-11-19 08:04:51,841 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:04:51,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i [2022-11-19 08:04:51,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/data/dd9690737/46f4182eca9841a090a5c33a0fe07e66/FLAG7d0277485 [2022-11-19 08:04:52,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/data/dd9690737/46f4182eca9841a090a5c33a0fe07e66 [2022-11-19 08:04:52,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:04:52,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:04:52,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:04:52,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:04:52,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:04:52,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:52" (1/1) ... [2022-11-19 08:04:52,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496aed5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:52, skipping insertion in model container [2022-11-19 08:04:52,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:52" (1/1) ... [2022-11-19 08:04:52,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:04:52,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:05:03,755 WARN L234 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_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i[949222,949235] [2022-11-19 08:05:03,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:04,024 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:05:05,306 WARN L234 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_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i[949222,949235] [2022-11-19 08:05:05,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:05,769 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:05:05,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05 WrapperNode [2022-11-19 08:05:05,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:05:05,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:05,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:05:05,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:05:05,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:05,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:06,997 INFO L138 Inliner]: procedures = 906, calls = 10795, calls flagged for inlining = 417, calls inlined = 414, statements flattened = 26505 [2022-11-19 08:05:06,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:06,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:05:06,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:05:07,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:05:07,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:07,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:07,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:07,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:05:08,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:05:08,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:05:08,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:05:08,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (1/1) ... [2022-11-19 08:05:08,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:05:08,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:08,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:05:08,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:05:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_find_first_chain [2022-11-19 08:05:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_find_first_chain [2022-11-19 08:05:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_start [2022-11-19 08:05:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_start [2022-11-19 08:05:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_txq_agg_disable [2022-11-19 08:05:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_txq_agg_disable [2022-11-19 08:05:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure il_add_station_common [2022-11-19 08:05:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure il_add_station_common [2022-11-19 08:05:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_request_scan [2022-11-19 08:05:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_request_scan [2022-11-19 08:05:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_static_wepkey_cmd [2022-11-19 08:05:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_static_wepkey_cmd [2022-11-19 08:05:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_txq_check_empty [2022-11-19 08:05:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_txq_check_empty [2022-11-19 08:05:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_set_hw_ready [2022-11-19 08:05:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_set_hw_ready [2022-11-19 08:05:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-19 08:05:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-19 08:05:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_sta_alloc_lq [2022-11-19 08:05:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_sta_alloc_lq [2022-11-19 08:05:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_verify_ucode [2022-11-19 08:05:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_verify_ucode [2022-11-19 08:05:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:05:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:05:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:05:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:05:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rx_replenish_now [2022-11-19 08:05:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rx_replenish_now [2022-11-19 08:05:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_stats_request [2022-11-19 08:05:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_stats_request [2022-11-19 08:05:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_tx_queue_stop_scheduler [2022-11-19 08:05:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_tx_queue_stop_scheduler [2022-11-19 08:05:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hwrate_to_plcp_idx [2022-11-19 08:05:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hwrate_to_plcp_idx [2022-11-19 08:05:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_extract_rate [2022-11-19 08:05:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_extract_rate [2022-11-19 08:05:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure il_hdl_spectrum_measurement [2022-11-19 08:05:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hwrate_to_tx_control [2022-11-19 08:05:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hwrate_to_tx_control [2022-11-19 08:05:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:05:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_sta_add [2022-11-19 08:05:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_sta_add [2022-11-19 08:05:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 08:05:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:05:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:05:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-19 08:05:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-19 08:05:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_add_interface [2022-11-19 08:05:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_add_interface [2022-11-19 08:05:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure il_sta_id_or_broadcast [2022-11-19 08:05:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure il_sta_id_or_broadcast [2022-11-19 08:05:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:05:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:05:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure il_alloc_fw_desc [2022-11-19 08:05:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure il_alloc_fw_desc [2022-11-19 08:05:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:05:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:05:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure __il_free_pages [2022-11-19 08:05:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __il_free_pages [2022-11-19 08:05:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure il_update_stats [2022-11-19 08:05:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure il_update_stats [2022-11-19 08:05:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:05:08,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:05:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_configure_filter [2022-11-19 08:05:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_configure_filter [2022-11-19 08:05:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:05:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:05:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure il_clear_ucode_stations [2022-11-19 08:05:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure il_clear_ucode_stations [2022-11-19 08:05:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd_prph [2022-11-19 08:05:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd_prph [2022-11-19 08:05:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_reassoc_req [2022-11-19 08:05:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_reassoc_req [2022-11-19 08:05:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:05:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:05:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_get_supported_rates [2022-11-19 08:05:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_get_supported_rates [2022-11-19 08:05:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hdl_compressed_ba [2022-11-19 08:05:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hdl_compressed_ba [2022-11-19 08:05:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:05:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_tx_queue_init [2022-11-19 08:05:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_tx_queue_init [2022-11-19 08:05:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_txq_set_sched [2022-11-19 08:05:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_txq_set_sched [2022-11-19 08:05:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_valid_rtc_data_addr [2022-11-19 08:05:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_valid_rtc_data_addr [2022-11-19 08:05:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure rate_supported [2022-11-19 08:05:08,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rate_supported [2022-11-19 08:05:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_num_of_ant [2022-11-19 08:05:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_num_of_ant [2022-11-19 08:05:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:05:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:05:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_remove_interface [2022-11-19 08:05:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_remove_interface [2022-11-19 08:05:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_dealloc_ucode_pci [2022-11-19 08:05:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_dealloc_ucode_pci [2022-11-19 08:05:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_config [2022-11-19 08:05:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_config [2022-11-19 08:05:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_free_tfds_in_queue [2022-11-19 08:05:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_free_tfds_in_queue [2022-11-19 08:05:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:05:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:05:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_cmd_string [2022-11-19 08:05:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_cmd_string [2022-11-19 08:05:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:05:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:05:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:05:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_switch_to_siso [2022-11-19 08:05:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_switch_to_siso [2022-11-19 08:05:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_bit [2022-11-19 08:05:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_bit [2022-11-19 08:05:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rate_control_unregister [2022-11-19 08:05:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rate_control_unregister [2022-11-19 08:05:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_9 [2022-11-19 08:05:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_9 [2022-11-19 08:05:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 08:05:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 08:05:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:05:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_alive [2022-11-19 08:05:08,751 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_alive [2022-11-19 08:05:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:05:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:05:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_tx [2022-11-19 08:05:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_tx [2022-11-19 08:05:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_txq_ctx_free [2022-11-19 08:05:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_txq_ctx_free [2022-11-19 08:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 08:05:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 08:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_collect_tx_data [2022-11-19 08:05:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_collect_tx_data [2022-11-19 08:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_eeprom_acquire_semaphore [2022-11-19 08:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_eeprom_acquire_semaphore [2022-11-19 08:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_get_best_rate [2022-11-19 08:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_get_best_rate [2022-11-19 08:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_update_tkip_key [2022-11-19 08:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_update_tkip_key [2022-11-19 08:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rate_n_flags_from_tbl [2022-11-19 08:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rate_n_flags_from_tbl [2022-11-19 08:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-19 08:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-19 08:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure _il_rd [2022-11-19 08:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_rd [2022-11-19 08:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_dec_wrap [2022-11-19 08:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_dec_wrap [2022-11-19 08:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_debug_level [2022-11-19 08:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_debug_level [2022-11-19 08:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure _il_stop_queue [2022-11-19 08:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_stop_queue [2022-11-19 08:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_commit_rxon [2022-11-19 08:05:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_commit_rxon [2022-11-19 08:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:05:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_flush [2022-11-19 08:05:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_flush [2022-11-19 08:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_txq_free_tfd [2022-11-19 08:05:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_txq_free_tfd [2022-11-19 08:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_init_alive_start [2022-11-19 08:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_init_alive_start [2022-11-19 08:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_down [2022-11-19 08:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_down [2022-11-19 08:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure iw4965_is_ht40_channel [2022-11-19 08:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iw4965_is_ht40_channel [2022-11-19 08:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_morefrags [2022-11-19 08:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_morefrags [2022-11-19 08:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure sign_extend32 [2022-11-19 08:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_extend32 [2022-11-19 08:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_ready_rf [2022-11-19 08:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_ready_rf [2022-11-19 08:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-19 08:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-19 08:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure il_clear_bits_prph [2022-11-19 08:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure il_clear_bits_prph [2022-11-19 08:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wake_queue [2022-11-19 08:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wake_queue [2022-11-19 08:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure il_print_rx_config_cmd [2022-11-19 08:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure il_print_rx_config_cmd [2022-11-19 08:05:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_send_beacon_cmd [2022-11-19 08:05:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_send_beacon_cmd [2022-11-19 08:05:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-19 08:05:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-19 08:05:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_switch_to_mimo2 [2022-11-19 08:05:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_switch_to_mimo2 [2022-11-19 08:05:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure _il_release_nic_access [2022-11-19 08:05:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_release_nic_access [2022-11-19 08:05:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_rx_replenish [2022-11-19 08:05:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_rx_replenish [2022-11-19 08:05:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:05:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:05:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:05:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:05:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 08:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 08:05:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_channel_valid [2022-11-19 08:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_channel_valid [2022-11-19 08:05:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:05:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_update_chain_flags [2022-11-19 08:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_update_chain_flags [2022-11-19 08:05:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:05:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:05:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_conf_tx [2022-11-19 08:05:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_conf_tx [2022-11-19 08:05:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr [2022-11-19 08:05:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr [2022-11-19 08:05:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_post_associate [2022-11-19 08:05:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_post_associate [2022-11-19 08:05:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_any_associated [2022-11-19 08:05:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_any_associated [2022-11-19 08:05:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:05:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:05:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_fw_desc [2022-11-19 08:05:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_fw_desc [2022-11-19 08:05:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_init_sensitivity [2022-11-19 08:05:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_init_sensitivity [2022-11-19 08:05:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-19 08:05:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-19 08:05:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_9 [2022-11-19 08:05:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_9 [2022-11-19 08:05:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:05:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr [2022-11-19 08:05:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr [2022-11-19 08:05:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:05:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:05:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_update_rate_tbl [2022-11-19 08:05:08,773 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_update_rate_tbl [2022-11-19 08:05:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:05:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-11-19 08:05:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-11-19 08:05:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_dbgfs_set_mcs [2022-11-19 08:05:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_dbgfs_set_mcs [2022-11-19 08:05:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure il_enable_rfkill_int [2022-11-19 08:05:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure il_enable_rfkill_int [2022-11-19 08:05:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 08:05:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 08:05:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_channel_info [2022-11-19 08:05:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_channel_info [2022-11-19 08:05:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-19 08:05:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-19 08:05:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hdl_stats [2022-11-19 08:05:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hdl_stats [2022-11-19 08:05:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 08:05:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 08:05:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-19 08:05:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-19 08:05:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rx_replenish [2022-11-19 08:05:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rx_replenish [2022-11-19 08:05:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 08:05:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 08:05:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure il_eeprom_free [2022-11-19 08:05:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure il_eeprom_free [2022-11-19 08:05:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_ucode_rx_stats_read [2022-11-19 08:05:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_ucode_rx_stats_read [2022-11-19 08:05:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_cancel_deferred_work [2022-11-19 08:05:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_cancel_deferred_work [2022-11-19 08:05:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_fill_txpower_tbl [2022-11-19 08:05:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_fill_txpower_tbl [2022-11-19 08:05:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_tfd_get_num_tbs [2022-11-19 08:05:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_tfd_get_num_tbs [2022-11-19 08:05:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:05:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:05:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure il_irq_handle_error [2022-11-19 08:05:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure il_irq_handle_error [2022-11-19 08:05:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:05:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:05:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_inc_wrap [2022-11-19 08:05:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_inc_wrap [2022-11-19 08:05:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:05:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:05:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure il_restore_stations [2022-11-19 08:05:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure il_restore_stations [2022-11-19 08:05:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_get_adjacent_rate [2022-11-19 08:05:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_get_adjacent_rate [2022-11-19 08:05:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_9 [2022-11-19 08:05:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_9 [2022-11-19 08:05:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure il_rd [2022-11-19 08:05:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rd [2022-11-19 08:05:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:05:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:05:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_free_dma_ptr [2022-11-19 08:05:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_free_dma_ptr [2022-11-19 08:05:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure il_get_free_ucode_key_idx [2022-11-19 08:05:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure il_get_free_ucode_key_idx [2022-11-19 08:05:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-19 08:05:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~~u16~0~X~~u8~0~X~~u8~0~TO~int [2022-11-19 08:05:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_set_expected_tpt_table [2022-11-19 08:05:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_set_expected_tpt_table [2022-11-19 08:05:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_bss_info_changed [2022-11-19 08:05:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_bss_info_changed [2022-11-19 08:05:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work___0 [2022-11-19 08:05:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work___0 [2022-11-19 08:05:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:05:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_ucode_general_stats_read [2022-11-19 08:05:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_ucode_general_stats_read [2022-11-19 08:05:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_txq_attach_buf_to_tfd [2022-11-19 08:05:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_txq_attach_buf_to_tfd [2022-11-19 08:05:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 08:05:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 08:05:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:05:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:05:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure _il_grab_nic_access [2022-11-19 08:05:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_grab_nic_access [2022-11-19 08:05:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure il_txq_update_write_ptr [2022-11-19 08:05:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure il_txq_update_write_ptr [2022-11-19 08:05:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure il_hdl_error [2022-11-19 08:05:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_stay_in_table [2022-11-19 08:05:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_stay_in_table [2022-11-19 08:05:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure il_power_update_mode [2022-11-19 08:05:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure il_power_update_mode [2022-11-19 08:05:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 08:05:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 08:05:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_get_temperature [2022-11-19 08:05:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_get_temperature [2022-11-19 08:05:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_send_led_cmd [2022-11-19 08:05:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_send_led_cmd [2022-11-19 08:05:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure _il_clear_bit [2022-11-19 08:05:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_clear_bit [2022-11-19 08:05:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 08:05:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 08:05:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-19 08:05:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-19 08:05:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_txpower_work [2022-11-19 08:05:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_txpower_work [2022-11-19 08:05:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure il_eeprom_query16 [2022-11-19 08:05:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure il_eeprom_query16 [2022-11-19 08:05:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-11-19 08:05:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-11-19 08:05:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:05:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:05:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_request_firmware [2022-11-19 08:05:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_request_firmware [2022-11-19 08:05:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_restart [2022-11-19 08:05:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_restart [2022-11-19 08:05:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-19 08:05:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-19 08:05:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_change_interface [2022-11-19 08:05:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_change_interface [2022-11-19 08:05:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-19 08:05:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-19 08:05:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_hw_scan [2022-11-19 08:05:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_hw_scan [2022-11-19 08:05:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure rate_lowest_index___0 [2022-11-19 08:05:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rate_lowest_index___0 [2022-11-19 08:05:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure il_commit_rxon [2022-11-19 08:05:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure il_commit_rxon [2022-11-19 08:05:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:05:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:05:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 08:05:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 08:05:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure il_write_targ_mem [2022-11-19 08:05:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure il_write_targ_mem [2022-11-19 08:05:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_verify_inst_sparse [2022-11-19 08:05:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_verify_inst_sparse [2022-11-19 08:05:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-19 08:05:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-19 08:05:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-19 08:05:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-19 08:05:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-19 08:05:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-19 08:05:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_get_fifo_from_tid [2022-11-19 08:05:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_get_fifo_from_tid [2022-11-19 08:05:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 08:05:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 08:05:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_config_ap [2022-11-19 08:05:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_config_ap [2022-11-19 08:05:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:05:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:05:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure __il4965_up [2022-11-19 08:05:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __il4965_up [2022-11-19 08:05:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:05:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:05:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_alive_start [2022-11-19 08:05:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_alive_start [2022-11-19 08:05:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure _il_write8 [2022-11-19 08:05:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_write8 [2022-11-19 08:05:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 08:05:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 08:05:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 08:05:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 08:05:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 08:05:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 08:05:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:05:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:05:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:05:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:05:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_restore_default_wep_keys [2022-11-19 08:05:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_restore_default_wep_keys [2022-11-19 08:05:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_bg_run_time_calib_work [2022-11-19 08:05:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_bg_run_time_calib_work [2022-11-19 08:05:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:05:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:05:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_eeprom_release_semaphore [2022-11-19 08:05:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_eeprom_release_semaphore [2022-11-19 08:05:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-19 08:05:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-19 08:05:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_sta_remove [2022-11-19 08:05:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_sta_remove [2022-11-19 08:05:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure il_rd_prph [2022-11-19 08:05:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rd_prph [2022-11-19 08:05:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_load_bsm [2022-11-19 08:05:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_load_bsm [2022-11-19 08:05:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_synchronize_irq [2022-11-19 08:05:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_synchronize_irq [2022-11-19 08:05:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_first_antenna [2022-11-19 08:05:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_first_antenna [2022-11-19 08:05:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure il_hdl_pm_debug_stats [2022-11-19 08:05:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:05:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:05:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_dump_nic_error_log [2022-11-19 08:05:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_dump_nic_error_log [2022-11-19 08:05:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-19 08:05:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-19 08:05:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure il_scan_cancel [2022-11-19 08:05:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure il_scan_cancel [2022-11-19 08:05:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure il_apm_init [2022-11-19 08:05:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure il_apm_init [2022-11-19 08:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_tx_ba_cb_irqsafe [2022-11-19 08:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_tx_ba_cb_irqsafe [2022-11-19 08:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_prepare_card_hw [2022-11-19 08:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_prepare_card_hw [2022-11-19 08:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_tx_queue_set_status [2022-11-19 08:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_tx_queue_set_status [2022-11-19 08:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_min_power_idx [2022-11-19 08:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_min_power_idx [2022-11-19 08:05:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_send_rxon_assoc [2022-11-19 08:05:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_send_rxon_assoc [2022-11-19 08:05:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_set_wr_ptrs [2022-11-19 08:05:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_set_wr_ptrs [2022-11-19 08:05:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-19 08:05:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-19 08:05:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-19 08:05:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-19 08:05:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_assoc [2022-11-19 08:05:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_assoc [2022-11-19 08:05:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:05:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 08:05:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 08:05:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_pci_probe [2022-11-19 08:05:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_pci_probe [2022-11-19 08:05:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 08:05:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 08:05:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:05:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:05:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_used [2022-11-19 08:05:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_used [2022-11-19 08:05:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure il_hdl_csa [2022-11-19 08:05:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hwrate_to_mac80211_idx [2022-11-19 08:05:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hwrate_to_mac80211_idx [2022-11-19 08:05:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 08:05:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 08:05:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:05:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 08:05:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 08:05:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:05:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:05:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rx_queue_restock [2022-11-19 08:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rx_queue_restock [2022-11-19 08:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_alloc_dma_ptr [2022-11-19 08:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_alloc_dma_ptr [2022-11-19 08:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_ampdu_action [2022-11-19 08:05:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_ampdu_action [2022-11-19 08:05:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 08:05:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 08:05:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:05:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:05:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_init_alive_start [2022-11-19 08:05:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_init_alive_start [2022-11-19 08:05:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-19 08:05:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-19 08:05:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure il_wake_queue [2022-11-19 08:05:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wake_queue [2022-11-19 08:05:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:05:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:05:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_toggle_tx_ant [2022-11-19 08:05:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_toggle_tx_ant [2022-11-19 08:05:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_set_rxon_chain [2022-11-19 08:05:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_set_rxon_chain [2022-11-19 08:05:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_sensitivity_write [2022-11-19 08:05:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_sensitivity_write [2022-11-19 08:05:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure il_sta_id [2022-11-19 08:05:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure il_sta_id [2022-11-19 08:05:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-19 08:05:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-19 08:05:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_stop [2022-11-19 08:05:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_stop [2022-11-19 08:05:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_pci_remove [2022-11-19 08:05:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_pci_remove [2022-11-19 08:05:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-19 08:05:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-19 08:05:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_9 [2022-11-19 08:05:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_9 [2022-11-19 08:05:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr___0 [2022-11-19 08:05:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr___0 [2022-11-19 08:05:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_rxon_timing [2022-11-19 08:05:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_rxon_timing [2022-11-19 08:05:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure il_rx_queue_update_write_ptr [2022-11-19 08:05:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure il_rx_queue_update_write_ptr [2022-11-19 08:05:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:05:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:05:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_math_div_round [2022-11-19 08:05:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_math_div_round [2022-11-19 08:05:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:05:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:05:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_lq_cmd [2022-11-19 08:05:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_lq_cmd [2022-11-19 08:05:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd_pdu [2022-11-19 08:05:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd_pdu [2022-11-19 08:05:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_free [2022-11-19 08:05:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_free [2022-11-19 08:05:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_txq_update_byte_cnt_tbl [2022-11-19 08:05:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_txq_update_byte_cnt_tbl [2022-11-19 08:05:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_free_frame [2022-11-19 08:05:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_free_frame [2022-11-19 08:05:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_tx_last_beacon [2022-11-19 08:05:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_tx_last_beacon [2022-11-19 08:05:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 08:05:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 08:05:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:05:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:05:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure il_wr_prph [2022-11-19 08:05:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure il_wr_prph [2022-11-19 08:05:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_get_tbl_info_from_mcs [2022-11-19 08:05:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_get_tbl_info_from_mcs [2022-11-19 08:05:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 08:05:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 08:05:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_tx_queue_reclaim [2022-11-19 08:05:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_tx_queue_reclaim [2022-11-19 08:05:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_add_sta [2022-11-19 08:05:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_add_sta [2022-11-19 08:05:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rx_allocate [2022-11-19 08:05:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rx_allocate [2022-11-19 08:05:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_ht40_tx_allowed [2022-11-19 08:05:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_ht40_tx_allowed [2022-11-19 08:05:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure il_dealloc_bcast_stations [2022-11-19 08:05:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure il_dealloc_bcast_stations [2022-11-19 08:05:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:05:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:05:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:05:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_stats_flag [2022-11-19 08:05:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_stats_flag [2022-11-19 08:05:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_is_valid_ant [2022-11-19 08:05:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_is_valid_ant [2022-11-19 08:05:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure il_hdl_pm_sleep [2022-11-19 08:05:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_table_type_matches [2022-11-19 08:05:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_table_type_matches [2022-11-19 08:05:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure il_queue_space [2022-11-19 08:05:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure il_queue_space [2022-11-19 08:05:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-19 08:05:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-19 08:05:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_set_stay_in_table [2022-11-19 08:05:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_set_stay_in_table [2022-11-19 08:05:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_send_tx_power [2022-11-19 08:05:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_send_tx_power [2022-11-19 08:05:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:05:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:05:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_uninit_drv [2022-11-19 08:05:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_uninit_drv [2022-11-19 08:05:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_bits_prph [2022-11-19 08:05:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_bits_prph [2022-11-19 08:05:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-19 08:05:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-19 08:05:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_update_bcast_stations [2022-11-19 08:05:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_update_bcast_stations [2022-11-19 08:05:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_channel_switch [2022-11-19 08:05:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_channel_switch [2022-11-19 08:05:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure il_enable_interrupts [2022-11-19 08:05:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure il_enable_interrupts [2022-11-19 08:05:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:05:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:05:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_toggle_antenna [2022-11-19 08:05:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_toggle_antenna [2022-11-19 08:05:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_tx_status_to_mac80211 [2022-11-19 08:05:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_tx_status_to_mac80211 [2022-11-19 08:05:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:05:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:05:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_rate_scale_clear_win [2022-11-19 08:05:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_rate_scale_clear_win [2022-11-19 08:05:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_associated [2022-11-19 08:05:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_associated [2022-11-19 08:05:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hw_channel_switch [2022-11-19 08:05:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hw_channel_switch [2022-11-19 08:05:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure il_scan_cancel_timeout [2022-11-19 08:05:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure il_scan_cancel_timeout [2022-11-19 08:05:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure il_free_channel_map [2022-11-19 08:05:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure il_free_channel_map [2022-11-19 08:05:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-19 08:05:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-19 08:05:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2022-11-19 08:05:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2022-11-19 08:05:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_is_single_rx_stream [2022-11-19 08:05:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_is_single_rx_stream [2022-11-19 08:05:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:05:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:05:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:05:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure il_disable_interrupts [2022-11-19 08:05:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure il_disable_interrupts [2022-11-19 08:05:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-19 08:05:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-19 08:05:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure il_mac_reset_tsf [2022-11-19 08:05:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure il_mac_reset_tsf [2022-11-19 08:05:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-19 08:05:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-19 08:05:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_start_tx_ba_cb_irqsafe [2022-11-19 08:05:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_start_tx_ba_cb_irqsafe [2022-11-19 08:05:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_use_green [2022-11-19 08:05:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_use_green [2022-11-19 08:05:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-19 08:05:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-19 08:05:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_get_fh_string [2022-11-19 08:05:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_get_fh_string [2022-11-19 08:05:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-19 08:05:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-19 08:05:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure il_send_cmd [2022-11-19 08:05:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure il_send_cmd [2022-11-19 08:05:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_alive_start [2022-11-19 08:05:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_alive_start [2022-11-19 08:05:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_mac_set_key [2022-11-19 08:05:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_mac_set_key [2022-11-19 08:05:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 08:05:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 08:05:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_sta_dbgfs_scale_table_write [2022-11-19 08:05:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_sta_dbgfs_scale_table_write [2022-11-19 08:05:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_tx_power [2022-11-19 08:05:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_tx_power [2022-11-19 08:05:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_fill_link_cmd [2022-11-19 08:05:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_fill_link_cmd [2022-11-19 08:05:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_post_scan [2022-11-19 08:05:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_post_scan [2022-11-19 08:05:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:05:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:05:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 08:05:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 08:05:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 08:05:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 08:05:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-19 08:05:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-19 08:05:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_assoc_req [2022-11-19 08:05:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_assoc_req [2022-11-19 08:05:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure il_read_targ_mem [2022-11-19 08:05:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure il_read_targ_mem [2022-11-19 08:05:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure il_eeprom_query_addr [2022-11-19 08:05:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure il_eeprom_query_addr [2022-11-19 08:05:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:05:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:05:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_chain_noise_calibration [2022-11-19 08:05:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_chain_noise_calibration [2022-11-19 08:05:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:05:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:05:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-19 08:05:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-19 08:05:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:05:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:05:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_interpolate_value [2022-11-19 08:05:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_interpolate_value [2022-11-19 08:05:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure _il_wr_prph [2022-11-19 08:05:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_wr_prph [2022-11-19 08:05:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-19 08:05:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-19 08:05:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 08:05:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 08:05:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure __il4965_down [2022-11-19 08:05:08,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __il4965_down [2022-11-19 08:05:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure _il_poll_bit [2022-11-19 08:05:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _il_poll_bit [2022-11-19 08:05:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure il_is_rfkill [2022-11-19 08:05:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure il_is_rfkill [2022-11-19 08:05:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_remove_debugfs [2022-11-19 08:05:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_remove_debugfs [2022-11-19 08:05:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 08:05:08,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 08:05:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 08:05:08,838 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 08:05:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 08:05:08,838 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 08:05:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_rs_tl_rm_old_stats [2022-11-19 08:05:08,838 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_rs_tl_rm_old_stats [2022-11-19 08:05:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:05:08,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:05:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-19 08:05:08,839 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-19 08:05:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure il_set_rxon_ht [2022-11-19 08:05:08,839 INFO L138 BoogieDeclarations]: Found implementation of procedure il_set_rxon_ht [2022-11-19 08:05:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:05:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:05:08,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:05:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure il4965_hdl_tx [2022-11-19 08:05:08,840 INFO L138 BoogieDeclarations]: Found implementation of procedure il4965_hdl_tx [2022-11-19 08:05:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-19 08:05:08,840 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-19 08:05:11,696 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:05:11,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:05:12,485 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:05:47,153 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:06:00,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:06:00,500 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 08:06:00,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:00 BoogieIcfgContainer [2022-11-19 08:06:00,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:06:00,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:06:00,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:06:00,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:06:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:52" (1/3) ... [2022-11-19 08:06:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28de3447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:00, skipping insertion in model container [2022-11-19 08:06:00,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:05" (2/3) ... [2022-11-19 08:06:00,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28de3447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:00, skipping insertion in model container [2022-11-19 08:06:00,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:00" (3/3) ... [2022-11-19 08:06:00,531 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--iwlegacy--iwl4965.ko-entry_point.cil.out.i [2022-11-19 08:06:00,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:06:00,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:06:00,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:06:00,781 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38334d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:06:00,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:06:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 6964 states, 4319 states have (on average 1.3368835378559851) internal successors, (5774), 4485 states have internal predecessors, (5774), 2304 states have call successors, (2304), 340 states have call predecessors, (2304), 339 states have return successors, (2281), 2242 states have call predecessors, (2281), 2281 states have call successors, (2281) [2022-11-19 08:06:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-11-19 08:06:00,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:06:00,869 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:06:00,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:06:00,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:06:00,876 INFO L85 PathProgramCache]: Analyzing trace with hash 459114497, now seen corresponding path program 1 times [2022-11-19 08:06:00,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:06:00,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653332146] [2022-11-19 08:06:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:00,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:06:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 7872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7872 trivial. 0 not checked. [2022-11-19 08:06:06,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:06,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653332146] [2022-11-19 08:06:06,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653332146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:06:06,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:06:06,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:06:06,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996230737] [2022-11-19 08:06:06,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:06:06,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:06:06,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:06:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:06:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:06:06,684 INFO L87 Difference]: Start difference. First operand has 6964 states, 4319 states have (on average 1.3368835378559851) internal successors, (5774), 4485 states have internal predecessors, (5774), 2304 states have call successors, (2304), 340 states have call predecessors, (2304), 339 states have return successors, (2281), 2242 states have call predecessors, (2281), 2281 states have call successors, (2281) Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-19 08:06:08,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:14,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:20,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:06:25,917 INFO L93 Difference]: Finished difference Result 18662 states and 28021 transitions. [2022-11-19 08:06:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:06:25,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 638 [2022-11-19 08:06:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:06:26,051 INFO L225 Difference]: With dead ends: 18662 [2022-11-19 08:06:26,051 INFO L226 Difference]: Without dead ends: 11735 [2022-11-19 08:06:26,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:06:26,187 INFO L413 NwaCegarLoop]: 11350 mSDtfsCounter, 9170 mSDsluCounter, 7659 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9170 SdHoareTripleChecker+Valid, 19009 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:06:26,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9170 Valid, 19009 Invalid, 1463 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1455 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-11-19 08:06:26,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11735 states. [2022-11-19 08:06:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11735 to 11638. [2022-11-19 08:06:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11638 states, 7363 states have (on average 1.3417085427135678) internal successors, (9879), 7610 states have internal predecessors, (9879), 3665 states have call successors, (3665), 612 states have call predecessors, (3665), 609 states have return successors, (3762), 3573 states have call predecessors, (3762), 3664 states have call successors, (3762) [2022-11-19 08:06:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11638 states to 11638 states and 17306 transitions. [2022-11-19 08:06:27,238 INFO L78 Accepts]: Start accepts. Automaton has 11638 states and 17306 transitions. Word has length 638 [2022-11-19 08:06:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:06:27,247 INFO L495 AbstractCegarLoop]: Abstraction has 11638 states and 17306 transitions. [2022-11-19 08:06:27,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-19 08:06:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 11638 states and 17306 transitions. [2022-11-19 08:06:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2022-11-19 08:06:27,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:06:27,331 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:06:27,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:06:27,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:06:27,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:06:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash -194648846, now seen corresponding path program 1 times [2022-11-19 08:06:27,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:06:27,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903824165] [2022-11-19 08:06:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:06:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7944 trivial. 0 not checked. [2022-11-19 08:06:29,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:29,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903824165] [2022-11-19 08:06:29,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903824165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:06:29,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:06:29,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:06:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834379652] [2022-11-19 08:06:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:06:29,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:06:29,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:06:29,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:06:29,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:06:29,445 INFO L87 Difference]: Start difference. First operand 11638 states and 17306 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2022-11-19 08:06:31,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:41,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:46,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:50,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:06:51,899 INFO L93 Difference]: Finished difference Result 34410 states and 51174 transitions. [2022-11-19 08:06:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:06:51,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) Word has length 817 [2022-11-19 08:06:51,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:06:52,050 INFO L225 Difference]: With dead ends: 34410 [2022-11-19 08:06:52,050 INFO L226 Difference]: Without dead ends: 22881 [2022-11-19 08:06:52,104 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:06:52,108 INFO L413 NwaCegarLoop]: 11771 mSDtfsCounter, 9899 mSDsluCounter, 9491 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9902 SdHoareTripleChecker+Valid, 21262 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:06:52,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9902 Valid, 21262 Invalid, 1595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1591 Invalid, 3 Unknown, 0 Unchecked, 21.4s Time] [2022-11-19 08:06:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22881 states. [2022-11-19 08:06:53,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22881 to 22865. [2022-11-19 08:06:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22865 states, 14502 states have (on average 1.3436077782374845) internal successors, (19485), 14989 states have internal predecessors, (19485), 7165 states have call successors, (7165), 1202 states have call predecessors, (7165), 1197 states have return successors, (7358), 6981 states have call predecessors, (7358), 7164 states have call successors, (7358) [2022-11-19 08:06:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22865 states to 22865 states and 34008 transitions. [2022-11-19 08:06:53,929 INFO L78 Accepts]: Start accepts. Automaton has 22865 states and 34008 transitions. Word has length 817 [2022-11-19 08:06:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:06:53,933 INFO L495 AbstractCegarLoop]: Abstraction has 22865 states and 34008 transitions. [2022-11-19 08:06:53,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (101), 2 states have call predecessors, (101), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2022-11-19 08:06:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22865 states and 34008 transitions. [2022-11-19 08:06:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2022-11-19 08:06:54,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:06:54,038 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 16, 16, 16, 16, 16, 16, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:06:54,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:06:54,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:06:54,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:06:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1516558694, now seen corresponding path program 1 times [2022-11-19 08:06:54,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:06:54,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564624000] [2022-11-19 08:06:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:06:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8324 trivial. 0 not checked. [2022-11-19 08:06:57,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:57,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564624000] [2022-11-19 08:06:57,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564624000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:06:57,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:06:57,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:06:57,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092603096] [2022-11-19 08:06:57,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:06:57,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:06:57,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:06:57,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:06:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:06:57,090 INFO L87 Difference]: Start difference. First operand 22865 states and 34008 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-19 08:06:59,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:10,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:19,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:20,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:22,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:28,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:29,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:31,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:33,409 INFO L93 Difference]: Finished difference Result 67626 states and 101058 transitions. [2022-11-19 08:07:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:07:33,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 846 [2022-11-19 08:07:33,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:33,656 INFO L225 Difference]: With dead ends: 67626 [2022-11-19 08:07:33,656 INFO L226 Difference]: Without dead ends: 44870 [2022-11-19 08:07:33,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:07:33,771 INFO L413 NwaCegarLoop]: 19453 mSDtfsCounter, 11663 mSDsluCounter, 27645 mSDsCounter, 0 mSdLazyCounter, 4116 mSolverCounterSat, 375 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11667 SdHoareTripleChecker+Valid, 47098 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 4116 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:07:33,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11667 Valid, 47098 Invalid, 4494 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [375 Valid, 4116 Invalid, 3 Unknown, 0 Unchecked, 34.7s Time] [2022-11-19 08:07:33,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44870 states. [2022-11-19 08:07:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 39826. [2022-11-19 08:07:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39826 states, 25112 states have (on average 1.338204842306467) internal successors, (33605), 25988 states have internal predecessors, (33605), 12490 states have call successors, (12490), 2229 states have call predecessors, (12490), 2223 states have return successors, (12832), 12142 states have call predecessors, (12832), 12489 states have call successors, (12832) [2022-11-19 08:07:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39826 states to 39826 states and 58927 transitions. [2022-11-19 08:07:37,370 INFO L78 Accepts]: Start accepts. Automaton has 39826 states and 58927 transitions. Word has length 846 [2022-11-19 08:07:37,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:07:37,372 INFO L495 AbstractCegarLoop]: Abstraction has 39826 states and 58927 transitions. [2022-11-19 08:07:37,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-11-19 08:07:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 39826 states and 58927 transitions. [2022-11-19 08:07:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2022-11-19 08:07:37,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:07:37,519 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 39, 16, 16, 16, 16, 16, 16, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:07:37,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:07:37,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:07:37,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:07:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash 575380526, now seen corresponding path program 1 times [2022-11-19 08:07:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:07:37,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923753935] [2022-11-19 08:07:37,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:37,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:07:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8324 trivial. 0 not checked. [2022-11-19 08:07:39,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:07:39,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923753935] [2022-11-19 08:07:39,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923753935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:07:39,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:07:39,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:07:39,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492711193] [2022-11-19 08:07:39,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:07:39,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:07:39,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:07:39,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:07:39,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:07:39,687 INFO L87 Difference]: Start difference. First operand 39826 states and 58927 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-19 08:07:41,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:50,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:53,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:55,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:58,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:07:59,097 INFO L93 Difference]: Finished difference Result 68372 states and 101079 transitions. [2022-11-19 08:07:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:07:59,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 850 [2022-11-19 08:07:59,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:07:59,521 INFO L225 Difference]: With dead ends: 68372 [2022-11-19 08:07:59,521 INFO L226 Difference]: Without dead ends: 39826 [2022-11-19 08:07:59,631 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:07:59,635 INFO L413 NwaCegarLoop]: 9498 mSDtfsCounter, 0 mSDsluCounter, 9494 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18992 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:07:59,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18992 Invalid, 1560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1557 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2022-11-19 08:07:59,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39826 states. [2022-11-19 08:08:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39826 to 39822. [2022-11-19 08:08:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39822 states, 25108 states have (on average 1.3380994105464394) internal successors, (33597), 25984 states have internal predecessors, (33597), 12490 states have call successors, (12490), 2229 states have call predecessors, (12490), 2223 states have return successors, (12832), 12142 states have call predecessors, (12832), 12489 states have call successors, (12832) [2022-11-19 08:08:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39822 states to 39822 states and 58919 transitions. [2022-11-19 08:08:02,609 INFO L78 Accepts]: Start accepts. Automaton has 39822 states and 58919 transitions. Word has length 850 [2022-11-19 08:08:02,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:08:02,610 INFO L495 AbstractCegarLoop]: Abstraction has 39822 states and 58919 transitions. [2022-11-19 08:08:02,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (103), 2 states have call predecessors, (103), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-19 08:08:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 39822 states and 58919 transitions. [2022-11-19 08:08:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2022-11-19 08:08:02,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:08:02,678 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:08:02,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:08:02,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:08:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:08:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1497845287, now seen corresponding path program 1 times [2022-11-19 08:08:02,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:08:02,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538133758] [2022-11-19 08:08:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:02,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:08:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:08:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8062 trivial. 0 not checked. [2022-11-19 08:08:06,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:08:06,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538133758] [2022-11-19 08:08:06,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538133758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:08:06,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:08:06,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:08:06,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158839532] [2022-11-19 08:08:06,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:08:06,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:08:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:08:06,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:08:06,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:08:06,800 INFO L87 Difference]: Start difference. First operand 39822 states and 58919 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:08:09,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:16,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:20,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:22,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:25,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:26,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:08:26,436 INFO L93 Difference]: Finished difference Result 79539 states and 117955 transitions. [2022-11-19 08:08:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:08:26,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 896 [2022-11-19 08:08:26,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:08:26,667 INFO L225 Difference]: With dead ends: 79539 [2022-11-19 08:08:26,667 INFO L226 Difference]: Without dead ends: 39830 [2022-11-19 08:08:26,978 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:08:26,978 INFO L413 NwaCegarLoop]: 9497 mSDtfsCounter, 0 mSDsluCounter, 9495 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18992 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:08:26,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18992 Invalid, 1557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1553 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2022-11-19 08:08:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39830 states. [2022-11-19 08:08:28,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39830 to 39830. [2022-11-19 08:08:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39830 states, 25116 states have (on average 1.337991718426501) internal successors, (33605), 25992 states have internal predecessors, (33605), 12490 states have call successors, (12490), 2229 states have call predecessors, (12490), 2223 states have return successors, (12832), 12142 states have call predecessors, (12832), 12489 states have call successors, (12832) [2022-11-19 08:08:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39830 states to 39830 states and 58927 transitions. [2022-11-19 08:08:29,383 INFO L78 Accepts]: Start accepts. Automaton has 39830 states and 58927 transitions. Word has length 896 [2022-11-19 08:08:29,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:08:29,385 INFO L495 AbstractCegarLoop]: Abstraction has 39830 states and 58927 transitions. [2022-11-19 08:08:29,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:08:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 39830 states and 58927 transitions. [2022-11-19 08:08:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2022-11-19 08:08:29,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:08:29,455 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:08:29,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:08:29,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:08:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:08:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1517863838, now seen corresponding path program 1 times [2022-11-19 08:08:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:08:29,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160617966] [2022-11-19 08:08:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:08:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:08:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8062 trivial. 0 not checked. [2022-11-19 08:08:33,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:08:33,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160617966] [2022-11-19 08:08:33,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160617966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:08:33,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138336586] [2022-11-19 08:08:33,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:33,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:08:33,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:08:33,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:08:33,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:08:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:08:38,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 16714 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:08:38,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:08:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8063 trivial. 0 not checked. [2022-11-19 08:08:39,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:08:39,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138336586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:08:39,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:08:39,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 08:08:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986359534] [2022-11-19 08:08:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:08:39,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:08:39,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:08:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:08:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:08:39,133 INFO L87 Difference]: Start difference. First operand 39830 states and 58927 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:08:41,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:44,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:47,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:50,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:57,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:08:57,883 INFO L93 Difference]: Finished difference Result 79561 states and 117695 transitions. [2022-11-19 08:08:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:08:57,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 897 [2022-11-19 08:08:57,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:08:58,092 INFO L225 Difference]: With dead ends: 79561 [2022-11-19 08:08:58,092 INFO L226 Difference]: Without dead ends: 39844 [2022-11-19 08:08:58,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 900 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:08:58,242 INFO L413 NwaCegarLoop]: 10710 mSDtfsCounter, 9913 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9919 SdHoareTripleChecker+Valid, 15811 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:08:58,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9919 Valid, 15811 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1224 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2022-11-19 08:08:58,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2022-11-19 08:09:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 39830. [2022-11-19 08:09:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39830 states, 25116 states have (on average 1.3377528268832617) internal successors, (33599), 25992 states have internal predecessors, (33599), 12486 states have call successors, (12486), 2233 states have call predecessors, (12486), 2227 states have return successors, (12825), 12138 states have call predecessors, (12825), 12485 states have call successors, (12825) [2022-11-19 08:09:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39830 states to 39830 states and 58910 transitions. [2022-11-19 08:09:00,673 INFO L78 Accepts]: Start accepts. Automaton has 39830 states and 58910 transitions. Word has length 897 [2022-11-19 08:09:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:09:00,674 INFO L495 AbstractCegarLoop]: Abstraction has 39830 states and 58910 transitions. [2022-11-19 08:09:00,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:09:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 39830 states and 58910 transitions. [2022-11-19 08:09:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2022-11-19 08:09:00,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:09:00,750 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:09:00,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:09:00,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:09:00,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:09:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:09:00,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1534097995, now seen corresponding path program 1 times [2022-11-19 08:09:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:09:00,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283219190] [2022-11-19 08:09:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:00,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:09:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:09:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8062 trivial. 0 not checked. [2022-11-19 08:09:04,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:09:04,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283219190] [2022-11-19 08:09:04,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283219190] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:09:04,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461227876] [2022-11-19 08:09:04,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:04,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:09:04,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:09:04,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:09:04,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:09:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:09:10,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 16718 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:09:10,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:09:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8063 trivial. 0 not checked. [2022-11-19 08:09:10,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:09:10,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461227876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:09:10,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:09:10,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 08:09:10,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911471890] [2022-11-19 08:09:10,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:09:10,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:09:10,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:09:10,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:09:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:09:10,782 INFO L87 Difference]: Start difference. First operand 39830 states and 58910 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:09:13,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:18,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:22,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:26,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:28,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:09:28,327 INFO L93 Difference]: Finished difference Result 79541 states and 117643 transitions. [2022-11-19 08:09:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:09:28,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 899 [2022-11-19 08:09:28,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:09:28,502 INFO L225 Difference]: With dead ends: 79541 [2022-11-19 08:09:28,502 INFO L226 Difference]: Without dead ends: 39832 [2022-11-19 08:09:28,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 899 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:09:28,646 INFO L413 NwaCegarLoop]: 10706 mSDtfsCounter, 9910 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9914 SdHoareTripleChecker+Valid, 15807 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:09:28,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9914 Valid, 15807 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1225 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2022-11-19 08:09:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39832 states. [2022-11-19 08:09:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39832 to 39818. [2022-11-19 08:09:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39818 states, 25110 states have (on average 1.337594583831143) internal successors, (33587), 25986 states have internal predecessors, (33587), 12480 states have call successors, (12480), 2233 states have call predecessors, (12480), 2227 states have return successors, (12816), 12132 states have call predecessors, (12816), 12479 states have call successors, (12816) [2022-11-19 08:09:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39818 states to 39818 states and 58883 transitions. [2022-11-19 08:09:30,972 INFO L78 Accepts]: Start accepts. Automaton has 39818 states and 58883 transitions. Word has length 899 [2022-11-19 08:09:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:09:30,973 INFO L495 AbstractCegarLoop]: Abstraction has 39818 states and 58883 transitions. [2022-11-19 08:09:30,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:09:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 39818 states and 58883 transitions. [2022-11-19 08:09:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2022-11-19 08:09:31,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:09:31,019 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:09:31,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:09:31,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:09:31,220 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:09:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:09:31,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1110794051, now seen corresponding path program 1 times [2022-11-19 08:09:31,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:09:31,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710224040] [2022-11-19 08:09:31,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:31,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:09:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:09:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8062 trivial. 0 not checked. [2022-11-19 08:09:34,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:09:34,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710224040] [2022-11-19 08:09:34,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710224040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:09:34,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866868777] [2022-11-19 08:09:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:34,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:09:34,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:09:34,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:09:34,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:09:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:09:40,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 16720 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:09:40,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:09:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8063 trivial. 0 not checked. [2022-11-19 08:09:40,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:09:40,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866868777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:09:40,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:09:40,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 08:09:40,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357114732] [2022-11-19 08:09:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:09:40,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:09:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:09:40,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:09:40,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:09:40,546 INFO L87 Difference]: Start difference. First operand 39818 states and 58883 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:09:42,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:48,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:51,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:58,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:09:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:09:58,870 INFO L93 Difference]: Finished difference Result 79533 states and 117608 transitions. [2022-11-19 08:09:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:09:58,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 900 [2022-11-19 08:09:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:09:59,063 INFO L225 Difference]: With dead ends: 79533 [2022-11-19 08:09:59,064 INFO L226 Difference]: Without dead ends: 39836 [2022-11-19 08:09:59,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:09:59,216 INFO L413 NwaCegarLoop]: 10704 mSDtfsCounter, 9915 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9917 SdHoareTripleChecker+Valid, 15805 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:09:59,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9917 Valid, 15805 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1226 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2022-11-19 08:09:59,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39836 states. [2022-11-19 08:10:01,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39836 to 39833. [2022-11-19 08:10:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39833 states, 25116 states have (on average 1.3373546743111961) internal successors, (33589), 25992 states have internal predecessors, (33589), 12485 states have call successors, (12485), 2236 states have call predecessors, (12485), 2231 states have return successors, (12818), 12138 states have call predecessors, (12818), 12484 states have call successors, (12818) [2022-11-19 08:10:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39833 states to 39833 states and 58892 transitions. [2022-11-19 08:10:01,692 INFO L78 Accepts]: Start accepts. Automaton has 39833 states and 58892 transitions. Word has length 900 [2022-11-19 08:10:01,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:10:01,693 INFO L495 AbstractCegarLoop]: Abstraction has 39833 states and 58892 transitions. [2022-11-19 08:10:01,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:10:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 39833 states and 58892 transitions. [2022-11-19 08:10:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2022-11-19 08:10:01,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:10:01,742 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:10:01,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 08:10:01,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:10:01,942 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:10:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:10:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2142512582, now seen corresponding path program 1 times [2022-11-19 08:10:01,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:10:01,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388741395] [2022-11-19 08:10:01,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:10:01,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:10:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:10:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8062 trivial. 0 not checked. [2022-11-19 08:10:04,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:10:04,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388741395] [2022-11-19 08:10:04,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388741395] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:10:04,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289775823] [2022-11-19 08:10:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:10:04,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:10:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:10:04,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:10:04,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:10:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:10:10,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 16716 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:10:10,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:10:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8063 trivial. 0 not checked. [2022-11-19 08:10:10,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:10:10,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289775823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:10:10,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:10:10,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 08:10:10,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300407804] [2022-11-19 08:10:10,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:10:10,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:10:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:10:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:10:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:10:10,726 INFO L87 Difference]: Start difference. First operand 39833 states and 58892 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:10:12,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:18,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:23,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:25,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:28,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:10:28,089 INFO L93 Difference]: Finished difference Result 79536 states and 117590 transitions. [2022-11-19 08:10:28,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:10:28,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 898 [2022-11-19 08:10:28,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:10:28,258 INFO L225 Difference]: With dead ends: 79536 [2022-11-19 08:10:28,258 INFO L226 Difference]: Without dead ends: 39824 [2022-11-19 08:10:28,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 898 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:10:28,397 INFO L413 NwaCegarLoop]: 10704 mSDtfsCounter, 9903 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9907 SdHoareTripleChecker+Valid, 15805 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:10:28,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9907 Valid, 15805 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1229 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 08:10:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39824 states. [2022-11-19 08:10:30,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39824 to 39821. [2022-11-19 08:10:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39821 states, 25110 states have (on average 1.3371963361210673) internal successors, (33577), 25986 states have internal predecessors, (33577), 12479 states have call successors, (12479), 2236 states have call predecessors, (12479), 2231 states have return successors, (12809), 12132 states have call predecessors, (12809), 12478 states have call successors, (12809) [2022-11-19 08:10:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39821 states to 39821 states and 58865 transitions. [2022-11-19 08:10:30,777 INFO L78 Accepts]: Start accepts. Automaton has 39821 states and 58865 transitions. Word has length 898 [2022-11-19 08:10:30,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:10:30,778 INFO L495 AbstractCegarLoop]: Abstraction has 39821 states and 58865 transitions. [2022-11-19 08:10:30,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 08:10:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 39821 states and 58865 transitions. [2022-11-19 08:10:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2022-11-19 08:10:30,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:10:30,835 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 16, 16, 16, 16, 16, 16, 7, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:10:30,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:10:31,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:10:31,061 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:10:31,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:10:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash -411871501, now seen corresponding path program 1 times [2022-11-19 08:10:31,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:10:31,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902208926] [2022-11-19 08:10:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:10:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:10:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:10:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7998 trivial. 0 not checked. [2022-11-19 08:10:32,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:10:32,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902208926] [2022-11-19 08:10:32,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902208926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:10:32,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:10:32,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:10:32,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556901510] [2022-11-19 08:10:32,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:10:32,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:10:32,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:10:32,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:10:32,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:10:32,808 INFO L87 Difference]: Start difference. First operand 39821 states and 58865 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2022-11-19 08:10:34,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:44,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:46,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:49,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:53,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:10:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:10:55,931 INFO L93 Difference]: Finished difference Result 93554 states and 138029 transitions. [2022-11-19 08:10:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:10:55,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 904 [2022-11-19 08:10:55,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:10:56,201 INFO L225 Difference]: With dead ends: 93554 [2022-11-19 08:10:56,201 INFO L226 Difference]: Without dead ends: 53854 [2022-11-19 08:10:56,474 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:10:56,475 INFO L413 NwaCegarLoop]: 11331 mSDtfsCounter, 8038 mSDsluCounter, 9366 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8040 SdHoareTripleChecker+Valid, 20697 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:10:56,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8040 Valid, 20697 Invalid, 1707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1701 Invalid, 3 Unknown, 0 Unchecked, 20.3s Time] [2022-11-19 08:10:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53854 states. [2022-11-19 08:10:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53854 to 53838. [2022-11-19 08:10:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53838 states, 34011 states have (on average 1.337390844138661) internal successors, (45486), 35179 states have internal predecessors, (45486), 16708 states have call successors, (16708), 3122 states have call predecessors, (16708), 3118 states have return successors, (17119), 16233 states have call predecessors, (17119), 16707 states have call successors, (17119) [2022-11-19 08:11:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53838 states to 53838 states and 79313 transitions. [2022-11-19 08:11:00,230 INFO L78 Accepts]: Start accepts. Automaton has 53838 states and 79313 transitions. Word has length 904 [2022-11-19 08:11:00,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:11:00,231 INFO L495 AbstractCegarLoop]: Abstraction has 53838 states and 79313 transitions. [2022-11-19 08:11:00,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2022-11-19 08:11:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53838 states and 79313 transitions. [2022-11-19 08:11:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2022-11-19 08:11:00,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:11:00,322 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 16, 16, 16, 16, 16, 16, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:11:00,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:11:00,323 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:11:00,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:11:00,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1609604281, now seen corresponding path program 1 times [2022-11-19 08:11:00,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:11:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726690027] [2022-11-19 08:11:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:11:00,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:11:01,425 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:11:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162473484] [2022-11-19 08:11:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:11:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:11:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:11:01,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:11:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:11:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:11:07,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 17198 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:11:07,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:11:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8288 trivial. 0 not checked. [2022-11-19 08:11:07,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:11:07,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:11:07,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726690027] [2022-11-19 08:11:07,919 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:11:07,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162473484] [2022-11-19 08:11:07,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162473484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:11:07,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:11:07,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:11:07,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250191254] [2022-11-19 08:11:07,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:11:07,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:11:07,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:11:07,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:11:07,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:11:07,922 INFO L87 Difference]: Start difference. First operand 53838 states and 79313 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2022-11-19 08:11:10,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:14,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:18,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:20,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:24,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:30,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:11:30,311 INFO L93 Difference]: Finished difference Result 107540 states and 158422 transitions. [2022-11-19 08:11:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:11:30,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 968 [2022-11-19 08:11:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:11:30,557 INFO L225 Difference]: With dead ends: 107540 [2022-11-19 08:11:30,557 INFO L226 Difference]: Without dead ends: 53823 [2022-11-19 08:11:30,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:11:30,701 INFO L413 NwaCegarLoop]: 10694 mSDtfsCounter, 9903 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9907 SdHoareTripleChecker+Valid, 15795 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:11:30,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9907 Valid, 15795 Invalid, 1228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1225 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2022-11-19 08:11:30,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53823 states. [2022-11-19 08:11:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53823 to 53820. [2022-11-19 08:11:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53820 states, 34002 states have (on average 1.3372154579142403) internal successors, (45468), 35170 states have internal predecessors, (45468), 16699 states have call successors, (16699), 3122 states have call predecessors, (16699), 3118 states have return successors, (17106), 16224 states have call predecessors, (17106), 16698 states have call successors, (17106) [2022-11-19 08:11:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53820 states to 53820 states and 79273 transitions. [2022-11-19 08:11:34,457 INFO L78 Accepts]: Start accepts. Automaton has 53820 states and 79273 transitions. Word has length 968 [2022-11-19 08:11:34,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:11:34,457 INFO L495 AbstractCegarLoop]: Abstraction has 53820 states and 79273 transitions. [2022-11-19 08:11:34,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2022-11-19 08:11:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 53820 states and 79273 transitions. [2022-11-19 08:11:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 972 [2022-11-19 08:11:34,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:11:34,519 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 38, 38, 38, 17, 16, 16, 16, 16, 16, 16, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:11:34,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:11:34,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-19 08:11:34,719 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:11:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:11:34,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2132763289, now seen corresponding path program 1 times [2022-11-19 08:11:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:11:34,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624103542] [2022-11-19 08:11:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:11:34,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:11:35,497 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:11:35,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220446274] [2022-11-19 08:11:35,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:11:35,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:11:35,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:11:35,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:11:35,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:11:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:11:41,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 17204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:11:41,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:11:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8288 trivial. 0 not checked. [2022-11-19 08:11:42,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:11:42,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:11:42,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624103542] [2022-11-19 08:11:42,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:11:42,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220446274] [2022-11-19 08:11:42,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220446274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:11:42,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:11:42,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:11:42,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599905611] [2022-11-19 08:11:42,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:11:42,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:11:42,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:11:42,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:11:42,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:11:42,131 INFO L87 Difference]: Start difference. First operand 53820 states and 79273 transitions. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2022-11-19 08:11:44,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:51,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:11:53,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:00,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:02,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:03,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:12:03,333 INFO L93 Difference]: Finished difference Result 107504 states and 158342 transitions. [2022-11-19 08:12:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:12:03,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 971 [2022-11-19 08:12:03,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:12:03,532 INFO L225 Difference]: With dead ends: 107504 [2022-11-19 08:12:03,532 INFO L226 Difference]: Without dead ends: 53805 [2022-11-19 08:12:03,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 969 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:12:03,675 INFO L413 NwaCegarLoop]: 10690 mSDtfsCounter, 9896 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9900 SdHoareTripleChecker+Valid, 15791 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:12:03,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9900 Valid, 15791 Invalid, 1228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1225 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-11-19 08:12:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53805 states. [2022-11-19 08:12:07,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53805 to 53802. [2022-11-19 08:12:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53802 states, 33993 states have (on average 1.3370399788191687) internal successors, (45450), 35161 states have internal predecessors, (45450), 16690 states have call successors, (16690), 3122 states have call predecessors, (16690), 3118 states have return successors, (17093), 16215 states have call predecessors, (17093), 16689 states have call successors, (17093) [2022-11-19 08:12:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53802 states to 53802 states and 79233 transitions. [2022-11-19 08:12:07,518 INFO L78 Accepts]: Start accepts. Automaton has 53802 states and 79233 transitions. Word has length 971 [2022-11-19 08:12:07,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:12:07,519 INFO L495 AbstractCegarLoop]: Abstraction has 53802 states and 79233 transitions. [2022-11-19 08:12:07,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2022-11-19 08:12:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 53802 states and 79233 transitions. [2022-11-19 08:12:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2022-11-19 08:12:07,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:12:07,587 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 43, 43, 43, 43, 43, 43, 26, 26, 26, 26, 26, 26, 11, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:12:07,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:12:07,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bd9d3a-9a1a-4241-b110-fbb76fb134dc/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-19 08:12:07,788 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:12:07,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:12:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1303663580, now seen corresponding path program 1 times [2022-11-19 08:12:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:12:07,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534840899] [2022-11-19 08:12:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:12:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:12:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:12:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11493 trivial. 0 not checked. [2022-11-19 08:12:09,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:12:09,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534840899] [2022-11-19 08:12:09,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534840899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:12:09,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:12:09,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:12:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410029731] [2022-11-19 08:12:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:12:09,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:12:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:12:09,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:12:09,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:12:09,603 INFO L87 Difference]: Start difference. First operand 53802 states and 79233 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 2 states have call successors, (127), 2 states have call predecessors, (127), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2022-11-19 08:12:11,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:22,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:26,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:28,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:12:34,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:36,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:40,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:42,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:12:43,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:12:43,679 INFO L93 Difference]: Finished difference Result 144450 states and 212644 transitions. [2022-11-19 08:12:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:12:43,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 2 states have call successors, (127), 2 states have call predecessors, (127), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1052 [2022-11-19 08:12:43,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:12:44,058 INFO L225 Difference]: With dead ends: 144450 [2022-11-19 08:12:44,058 INFO L226 Difference]: Without dead ends: 90769 [2022-11-19 08:12:44,237 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:12:44,238 INFO L413 NwaCegarLoop]: 13198 mSDtfsCounter, 9598 mSDsluCounter, 9394 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9602 SdHoareTripleChecker+Valid, 22592 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:12:44,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9602 Valid, 22592 Invalid, 1801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 4 Unknown, 0 Unchecked, 28.8s Time] [2022-11-19 08:12:44,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90769 states.