./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-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/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_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/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_4314768a-6b0d-4a87-ae03-c68c0b62ef79/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 ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 --- 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 07:45:25,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:45:25,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:45:25,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:45:25,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:45:25,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:45:25,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:45:25,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:45:25,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:45:25,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:45:25,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:45:25,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:45:25,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:45:25,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:45:25,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:45:25,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:45:25,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:45:25,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:45:25,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:45:25,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:45:25,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:45:25,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:45:25,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:45:25,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:45:25,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:45:25,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:45:25,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:45:25,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:45:25,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:45:25,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:45:25,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:45:25,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:45:25,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:45:25,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:45:25,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:45:25,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:45:25,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:45:25,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:45:25,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:45:25,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:45:25,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:45:25,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:45:25,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:45:25,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:45:25,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:45:25,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:45:25,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:45:25,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:45:25,378 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:45:25,378 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:45:25,378 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:45:25,378 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:45:25,379 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:45:25,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:45:25,380 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:45:25,380 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:45:25,380 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:45:25,380 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:45:25,381 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:45:25,381 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:45:25,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:45:25,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:45:25,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:45:25,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:45:25,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:45:25,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:45:25,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:45:25,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:45:25,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:45:25,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:45:25,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:45:25,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:45:25,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:45:25,386 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:45:25,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:45:25,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:45:25,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:45:25,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:45:25,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:45:25,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:45:25,388 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_4314768a-6b0d-4a87-ae03-c68c0b62ef79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 [2022-11-19 07:45:25,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:45:25,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:45:25,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:45:25,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:45:25,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:45:25,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-19 07:45:25,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/data/3bd53bd0d/a556a85e9cad4a82bceeb5e9f62b8ec4/FLAG6191defa0 [2022-11-19 07:45:27,091 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:45:27,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-19 07:45:27,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/data/3bd53bd0d/a556a85e9cad4a82bceeb5e9f62b8ec4/FLAG6191defa0 [2022-11-19 07:45:27,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/data/3bd53bd0d/a556a85e9cad4a82bceeb5e9f62b8ec4 [2022-11-19 07:45:27,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:45:27,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:45:27,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:45:27,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:45:27,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:45:27,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:27" (1/1) ... [2022-11-19 07:45:27,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6f6dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:27, skipping insertion in model container [2022-11-19 07:45:27,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:27" (1/1) ... [2022-11-19 07:45:27,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:45:27,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:45:33,545 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_4314768a-6b0d-4a87-ae03-c68c0b62ef79/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2022-11-19 07:45:33,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:45:33,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:45:34,675 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_4314768a-6b0d-4a87-ae03-c68c0b62ef79/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2022-11-19 07:45:34,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:45:35,214 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:45:35,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35 WrapperNode [2022-11-19 07:45:35,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:45:35,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:45:35,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:45:35,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:45:35,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:35,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:35,918 INFO L138 Inliner]: procedures = 713, calls = 7551, calls flagged for inlining = 297, calls inlined = 287, statements flattened = 15420 [2022-11-19 07:45:35,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:45:35,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:45:35,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:45:35,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:45:35,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:35,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:45:36,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:45:36,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:45:36,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:45:36,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (1/1) ... [2022-11-19 07:45:36,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:45:36,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:45:36,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:45:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:45:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:45:36,903 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:45:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 07:45:36,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 07:45:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 07:45:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:45:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:45:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 07:45:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 07:45:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-19 07:45:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-19 07:45:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:45:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:45:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 07:45:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 07:45:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-19 07:45:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-19 07:45:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:45:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:45:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-19 07:45:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-19 07:45:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-19 07:45:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-19 07:45:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-19 07:45:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-19 07:45:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-19 07:45:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-19 07:45:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:45:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:45:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-19 07:45:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-19 07:45:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-19 07:45:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-19 07:45:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-19 07:45:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-19 07:45:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-19 07:45:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-19 07:45:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-19 07:45:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-19 07:45:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:45:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:45:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-19 07:45:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-19 07:45:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:45:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:45:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 07:45:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 07:45:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:45:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:45:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-19 07:45:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-19 07:45:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-19 07:45:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-19 07:45:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:45:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:45:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-19 07:45:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-19 07:45:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-19 07:45:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-19 07:45:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-19 07:45:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-19 07:45:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-19 07:45:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-19 07:45:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-19 07:45:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-19 07:45:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-19 07:45:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-19 07:45:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:45:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:45:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-19 07:45:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-19 07:45:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:45:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:45:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:45:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:45:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-19 07:45:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-19 07:45:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:45:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:45:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-19 07:45:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-19 07:45:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-19 07:45:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-19 07:45:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 07:45:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 07:45:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 07:45:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 07:45:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:45:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:45:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:45:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-19 07:45:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-19 07:45:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-19 07:45:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-19 07:45:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-19 07:45:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-19 07:45:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-19 07:45:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-19 07:45:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-19 07:45:36,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-19 07:45:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-19 07:45:36,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-19 07:45:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 07:45:36,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 07:45:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-19 07:45:36,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-19 07:45:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-19 07:45:36,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-19 07:45:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-19 07:45:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-19 07:45:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:45:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:45:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-19 07:45:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-19 07:45:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:45:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:45:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-19 07:45:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-19 07:45:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 07:45:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 07:45:36,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:45:36,939 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-19 07:45:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-19 07:45:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 07:45:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 07:45:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:45:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:45:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:45:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:45:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-19 07:45:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-19 07:45:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-19 07:45:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-19 07:45:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-19 07:45:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-19 07:45:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-19 07:45:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-19 07:45:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:45:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-19 07:45:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-19 07:45:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-19 07:45:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-19 07:45:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:45:36,942 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:45:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:45:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-19 07:45:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-19 07:45:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-19 07:45:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-19 07:45:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-19 07:45:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-19 07:45:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:45:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:45:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 07:45:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 07:45:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-19 07:45:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-19 07:45:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-19 07:45:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-19 07:45:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-19 07:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-19 07:45:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 07:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 07:45:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 07:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 07:45:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-19 07:45:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-19 07:45:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-19 07:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-19 07:45:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:45:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:45:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:45:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-19 07:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-19 07:45:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-19 07:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-19 07:45:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-19 07:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-19 07:45:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:45:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:45:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-19 07:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-19 07:45:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:45:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-19 07:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-19 07:45:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-19 07:45:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-19 07:45:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-19 07:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-19 07:45:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:45:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 07:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 07:45:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-19 07:45:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-19 07:45:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:45:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:45:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:45:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-19 07:45:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-19 07:45:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 07:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 07:45:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-19 07:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-19 07:45:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:45:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-19 07:45:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-19 07:45:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-19 07:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-19 07:45:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:45:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-19 07:45:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-19 07:45:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:45:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-19 07:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-19 07:45:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-19 07:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-19 07:45:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:45:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:45:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-19 07:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-19 07:45:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 07:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 07:45:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-19 07:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-19 07:45:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:45:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 07:45:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 07:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-19 07:45:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-19 07:45:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-19 07:45:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-19 07:45:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-19 07:45:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-19 07:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-19 07:45:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-19 07:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:45:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:45:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-19 07:45:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-19 07:45:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 07:45:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-19 07:45:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-19 07:45:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:45:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-19 07:45:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:45:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:45:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-19 07:45:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-19 07:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 07:45:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 07:45:36,961 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 07:45:36,961 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 07:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-19 07:45:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-19 07:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 07:45:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 07:45:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:45:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:45:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-19 07:45:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-19 07:45:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-19 07:45:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-19 07:45:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 07:45:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 07:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 07:45:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 07:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-19 07:45:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-19 07:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-19 07:45:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-19 07:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-19 07:45:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-19 07:45:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-19 07:45:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-19 07:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-19 07:45:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-19 07:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-19 07:45:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-19 07:45:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:45:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:45:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 07:45:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 07:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 07:45:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 07:45:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 07:45:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 07:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-19 07:45:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-19 07:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:45:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:45:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:45:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-19 07:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-19 07:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-19 07:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-19 07:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-19 07:45:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-19 07:45:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:45:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:45:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-19 07:45:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-19 07:45:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-19 07:45:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-19 07:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 07:45:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 07:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-19 07:45:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-19 07:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:45:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:45:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 07:45:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 07:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-19 07:45:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-19 07:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:45:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:45:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-19 07:45:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-19 07:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 07:45:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 07:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-19 07:45:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-19 07:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:45:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:45:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-19 07:45:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-19 07:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-19 07:45:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-19 07:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-19 07:45:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-19 07:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:45:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 07:45:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 07:45:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-19 07:45:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-19 07:45:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-19 07:45:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-19 07:45:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-19 07:45:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-19 07:45:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 07:45:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 07:45:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:45:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-19 07:45:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-19 07:45:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-19 07:45:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-19 07:45:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-19 07:45:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-19 07:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:45:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-19 07:45:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-19 07:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:45:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:45:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:45:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:45:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-19 07:45:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-19 07:45:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-19 07:45:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-19 07:45:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-19 07:45:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-19 07:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-19 07:45:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-19 07:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-19 07:45:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-19 07:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:45:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:45:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:45:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:45:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:45:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:45:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-19 07:45:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-19 07:45:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 07:45:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 07:45:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-19 07:45:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-19 07:45:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 07:45:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 07:45:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:45:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:45:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 07:45:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 07:45:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-19 07:45:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-19 07:45:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:45:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:45:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-19 07:45:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-19 07:45:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-19 07:45:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-19 07:45:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:45:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:45:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:45:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-19 07:45:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-19 07:45:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:45:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:45:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-19 07:45:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-19 07:45:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-19 07:45:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-19 07:45:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-19 07:45:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-19 07:45:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:45:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:45:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-19 07:45:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-19 07:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-19 07:45:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-19 07:45:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 07:45:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 07:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-19 07:45:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-19 07:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-19 07:45:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-19 07:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:45:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:45:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-19 07:45:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-19 07:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-19 07:45:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-19 07:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:45:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:45:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-19 07:45:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-19 07:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-19 07:45:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-19 07:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 07:45:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 07:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 07:45:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 07:45:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-19 07:45:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-19 07:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-19 07:45:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-19 07:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-19 07:45:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-19 07:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-19 07:45:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-19 07:45:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-19 07:45:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-19 07:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-19 07:45:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-19 07:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-19 07:45:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-19 07:45:36,988 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 07:45:36,988 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 07:45:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-19 07:45:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-19 07:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 07:45:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 07:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-19 07:45:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-19 07:45:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-19 07:45:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-19 07:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-19 07:45:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-19 07:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-19 07:45:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-19 07:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:45:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:45:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:45:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:45:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-19 07:45:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-19 07:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:45:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-19 07:45:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-19 07:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-19 07:45:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-19 07:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-19 07:45:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-19 07:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-19 07:45:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-19 07:45:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-19 07:45:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-19 07:45:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-19 07:45:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-19 07:45:38,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:45:38,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:45:38,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:46:01,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:46:09,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:46:09,803 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:46:09,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:09 BoogieIcfgContainer [2022-11-19 07:46:09,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:46:09,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:46:09,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:46:09,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:46:09,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:27" (1/3) ... [2022-11-19 07:46:09,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689053b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:09, skipping insertion in model container [2022-11-19 07:46:09,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:35" (2/3) ... [2022-11-19 07:46:09,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689053b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:09, skipping insertion in model container [2022-11-19 07:46:09,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:09" (3/3) ... [2022-11-19 07:46:09,827 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-19 07:46:09,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:46:09,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:46:09,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:46:10,003 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;@388f71fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:46:10,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:46:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 4008 states, 2464 states have (on average 1.3457792207792207) internal successors, (3316), 2556 states have internal predecessors, (3316), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-19 07:46:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-19 07:46:10,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:10,055 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:10,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:46:10,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:10,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1186905840, now seen corresponding path program 1 times [2022-11-19 07:46:10,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:10,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151794410] [2022-11-19 07:46:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:10,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-19 07:46:11,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:46:11,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151794410] [2022-11-19 07:46:11,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151794410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:46:11,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:46:11,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:46:11,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736152852] [2022-11-19 07:46:11,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:46:11,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:46:11,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:46:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:46:12,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:46:12,216 INFO L87 Difference]: Start difference. First operand has 4008 states, 2464 states have (on average 1.3457792207792207) internal successors, (3316), 2556 states have internal predecessors, (3316), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 07:46:14,465 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 07:46:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:18,484 WARN L539 Checker$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 07:46:22,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:28,662 WARN L539 Checker$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 07:46:30,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:35,167 WARN L539 Checker$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 07:46:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:46:36,480 INFO L93 Difference]: Finished difference Result 11930 states and 17742 transitions. [2022-11-19 07:46:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:46:36,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2022-11-19 07:46:36,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:46:36,558 INFO L225 Difference]: With dead ends: 11930 [2022-11-19 07:46:36,558 INFO L226 Difference]: Without dead ends: 7895 [2022-11-19 07:46:36,591 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 07:46:36,594 INFO L413 NwaCegarLoop]: 6883 mSDtfsCounter, 5766 mSDsluCounter, 5211 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:46:36,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5770 Valid, 12094 Invalid, 1416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1408 Invalid, 5 Unknown, 0 Unchecked, 23.6s Time] [2022-11-19 07:46:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2022-11-19 07:46:37,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 7890. [2022-11-19 07:46:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 4867 states have (on average 1.3367577563180604) internal successors, (6506), 5011 states have internal predecessors, (6506), 2526 states have call successors, (2526), 497 states have call predecessors, (2526), 496 states have return successors, (2524), 2491 states have call predecessors, (2524), 2520 states have call successors, (2524) [2022-11-19 07:46:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 11556 transitions. [2022-11-19 07:46:37,127 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 11556 transitions. Word has length 137 [2022-11-19 07:46:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:46:37,128 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 11556 transitions. [2022-11-19 07:46:37,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 07:46:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 11556 transitions. [2022-11-19 07:46:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 07:46:37,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:37,135 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:37,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:46:37,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:46:37,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1719121324, now seen corresponding path program 1 times [2022-11-19 07:46:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:37,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139297570] [2022-11-19 07:46:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:37,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-19 07:46:38,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:46:38,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139297570] [2022-11-19 07:46:38,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139297570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:46:38,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:46:38,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:46:38,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586012748] [2022-11-19 07:46:38,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:46:38,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:46:38,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:46:38,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:46:38,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:46:38,756 INFO L87 Difference]: Start difference. First operand 7890 states and 11556 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:46:40,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:43,444 WARN L539 Checker$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 07:46:45,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:46:50,244 WARN L539 Checker$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 07:46:52,825 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 07:46:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:46:58,737 INFO L93 Difference]: Finished difference Result 14525 states and 21491 transitions. [2022-11-19 07:46:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:46:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2022-11-19 07:46:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:46:58,850 INFO L225 Difference]: With dead ends: 14525 [2022-11-19 07:46:58,850 INFO L226 Difference]: Without dead ends: 14521 [2022-11-19 07:46:58,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:46:58,866 INFO L413 NwaCegarLoop]: 6806 mSDtfsCounter, 5605 mSDsluCounter, 4588 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5605 SdHoareTripleChecker+Valid, 11394 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:46:58,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5605 Valid, 11394 Invalid, 1332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1323 Invalid, 5 Unknown, 0 Unchecked, 19.5s Time] [2022-11-19 07:46:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14521 states. [2022-11-19 07:46:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14521 to 14514. [2022-11-19 07:46:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14514 states, 8965 states have (on average 1.3408812046848857) internal successors, (12021), 9233 states have internal predecessors, (12021), 4628 states have call successors, (4628), 941 states have call predecessors, (4628), 920 states have return successors, (4830), 4517 states have call predecessors, (4830), 4622 states have call successors, (4830) [2022-11-19 07:46:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14514 states to 14514 states and 21479 transitions. [2022-11-19 07:46:59,823 INFO L78 Accepts]: Start accepts. Automaton has 14514 states and 21479 transitions. Word has length 139 [2022-11-19 07:46:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:46:59,823 INFO L495 AbstractCegarLoop]: Abstraction has 14514 states and 21479 transitions. [2022-11-19 07:46:59,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:46:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 14514 states and 21479 transitions. [2022-11-19 07:46:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-19 07:46:59,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:59,829 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:59,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:46:59,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:46:59,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:59,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1077965402, now seen corresponding path program 1 times [2022-11-19 07:46:59,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:59,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913673349] [2022-11-19 07:46:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-19 07:47:00,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:00,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913673349] [2022-11-19 07:47:00,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913673349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:00,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:00,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:47:00,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963101981] [2022-11-19 07:47:00,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:00,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:47:00,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:00,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:47:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:47:00,618 INFO L87 Difference]: Start difference. First operand 14514 states and 21479 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:47:02,805 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 07:47:05,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:07,593 WARN L539 Checker$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 07:47:10,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:12,250 WARN L539 Checker$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 07:47:19,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:19,369 INFO L93 Difference]: Finished difference Result 17790 states and 26079 transitions. [2022-11-19 07:47:19,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:47:19,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2022-11-19 07:47:19,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:19,507 INFO L225 Difference]: With dead ends: 17790 [2022-11-19 07:47:19,507 INFO L226 Difference]: Without dead ends: 17787 [2022-11-19 07:47:19,525 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 07:47:19,526 INFO L413 NwaCegarLoop]: 6086 mSDtfsCounter, 5752 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:19,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5758 Valid, 7944 Invalid, 1069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1065 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2022-11-19 07:47:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17787 states. [2022-11-19 07:47:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17787 to 17776. [2022-11-19 07:47:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17776 states, 10972 states have (on average 1.334943492526431) internal successors, (14647), 11304 states have internal predecessors, (14647), 5588 states have call successors, (5588), 1242 states have call predecessors, (5588), 1215 states have return successors, (5824), 5456 states have call predecessors, (5824), 5583 states have call successors, (5824) [2022-11-19 07:47:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17776 states to 17776 states and 26059 transitions. [2022-11-19 07:47:20,823 INFO L78 Accepts]: Start accepts. Automaton has 17776 states and 26059 transitions. Word has length 151 [2022-11-19 07:47:20,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:20,824 INFO L495 AbstractCegarLoop]: Abstraction has 17776 states and 26059 transitions. [2022-11-19 07:47:20,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:47:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 17776 states and 26059 transitions. [2022-11-19 07:47:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-19 07:47:20,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:20,830 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:20,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:47:20,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:20,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:20,831 INFO L85 PathProgramCache]: Analyzing trace with hash 940121533, now seen corresponding path program 1 times [2022-11-19 07:47:20,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:20,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777107971] [2022-11-19 07:47:20,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-19 07:47:21,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:21,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777107971] [2022-11-19 07:47:21,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777107971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:21,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:21,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:47:21,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515672024] [2022-11-19 07:47:21,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:21,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:47:21,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:21,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:47:21,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:47:21,667 INFO L87 Difference]: Start difference. First operand 17776 states and 26059 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:47:24,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:26,864 WARN L539 Checker$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 07:47:30,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:31,901 WARN L539 Checker$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 07:47:36,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:38,101 INFO L93 Difference]: Finished difference Result 17789 states and 26076 transitions. [2022-11-19 07:47:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:47:38,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 152 [2022-11-19 07:47:38,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:38,209 INFO L225 Difference]: With dead ends: 17789 [2022-11-19 07:47:38,209 INFO L226 Difference]: Without dead ends: 17786 [2022-11-19 07:47:38,227 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 07:47:38,229 INFO L413 NwaCegarLoop]: 6084 mSDtfsCounter, 5749 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5755 SdHoareTripleChecker+Valid, 7942 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:38,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5755 Valid, 7942 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1066 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2022-11-19 07:47:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17786 states. [2022-11-19 07:47:39,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17786 to 17775. [2022-11-19 07:47:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17775 states, 10972 states have (on average 1.3347612103536275) internal successors, (14645), 11303 states have internal predecessors, (14645), 5587 states have call successors, (5587), 1242 states have call predecessors, (5587), 1215 states have return successors, (5824), 5456 states have call predecessors, (5824), 5583 states have call successors, (5824) [2022-11-19 07:47:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17775 states to 17775 states and 26056 transitions. [2022-11-19 07:47:39,366 INFO L78 Accepts]: Start accepts. Automaton has 17775 states and 26056 transitions. Word has length 152 [2022-11-19 07:47:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:39,367 INFO L495 AbstractCegarLoop]: Abstraction has 17775 states and 26056 transitions. [2022-11-19 07:47:39,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:47:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 17775 states and 26056 transitions. [2022-11-19 07:47:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-19 07:47:39,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:39,374 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:39,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:47:39,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:39,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:39,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1427761728, now seen corresponding path program 1 times [2022-11-19 07:47:39,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:39,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980080912] [2022-11-19 07:47:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-19 07:47:40,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:40,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980080912] [2022-11-19 07:47:40,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980080912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:40,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:40,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:47:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385573110] [2022-11-19 07:47:40,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:40,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:47:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:47:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:47:40,219 INFO L87 Difference]: Start difference. First operand 17775 states and 26056 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:47:42,413 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 07:47:44,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:46,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:47:49,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:51,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:54,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:57,298 WARN L539 Checker$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 07:47:59,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:48:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:01,196 INFO L93 Difference]: Finished difference Result 20604 states and 30011 transitions. [2022-11-19 07:48:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:48:01,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 154 [2022-11-19 07:48:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:01,310 INFO L225 Difference]: With dead ends: 20604 [2022-11-19 07:48:01,310 INFO L226 Difference]: Without dead ends: 20596 [2022-11-19 07:48:01,331 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 07:48:01,332 INFO L413 NwaCegarLoop]: 5717 mSDtfsCounter, 5746 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5749 SdHoareTripleChecker+Valid, 7575 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:01,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5749 Valid, 7575 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 979 Invalid, 4 Unknown, 0 Unchecked, 20.3s Time] [2022-11-19 07:48:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20596 states. [2022-11-19 07:48:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20596 to 20586. [2022-11-19 07:48:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20586 states, 12701 states have (on average 1.3300527517518306) internal successors, (16893), 13083 states have internal predecessors, (16893), 6417 states have call successors, (6417), 1498 states have call predecessors, (6417), 1467 states have return successors, (6676), 6271 states have call predecessors, (6676), 6414 states have call successors, (6676) [2022-11-19 07:48:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20586 states to 20586 states and 29986 transitions. [2022-11-19 07:48:02,981 INFO L78 Accepts]: Start accepts. Automaton has 20586 states and 29986 transitions. Word has length 154 [2022-11-19 07:48:02,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:02,983 INFO L495 AbstractCegarLoop]: Abstraction has 20586 states and 29986 transitions. [2022-11-19 07:48:02,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:48:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 20586 states and 29986 transitions. [2022-11-19 07:48:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-19 07:48:02,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:02,991 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:48:02,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:48:02,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:48:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:02,992 INFO L85 PathProgramCache]: Analyzing trace with hash -985246723, now seen corresponding path program 1 times [2022-11-19 07:48:02,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:02,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762324287] [2022-11-19 07:48:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-19 07:48:04,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:04,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762324287] [2022-11-19 07:48:04,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762324287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:04,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:04,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:48:04,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078140501] [2022-11-19 07:48:04,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:04,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:48:04,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:04,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:48:04,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:48:04,044 INFO L87 Difference]: Start difference. First operand 20586 states and 29986 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:48:06,233 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 07:48:08,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:48:11,275 WARN L539 Checker$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 07:48:15,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:48:17,858 WARN L539 Checker$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 07:48:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:23,940 INFO L93 Difference]: Finished difference Result 21466 states and 31213 transitions. [2022-11-19 07:48:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:48:23,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 170 [2022-11-19 07:48:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:24,045 INFO L225 Difference]: With dead ends: 21466 [2022-11-19 07:48:24,045 INFO L226 Difference]: Without dead ends: 21463 [2022-11-19 07:48:24,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:48:24,062 INFO L413 NwaCegarLoop]: 5370 mSDtfsCounter, 577 mSDsluCounter, 4945 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 10315 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:24,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 10315 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1302 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2022-11-19 07:48:24,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21463 states. [2022-11-19 07:48:25,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21463 to 21463. [2022-11-19 07:48:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21463 states, 13229 states have (on average 1.3320734749414165) internal successors, (17622), 13622 states have internal predecessors, (17622), 6662 states have call successors, (6662), 1602 states have call predecessors, (6662), 1571 states have return successors, (6922), 6513 states have call predecessors, (6922), 6660 states have call successors, (6922) [2022-11-19 07:48:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21463 states to 21463 states and 31206 transitions. [2022-11-19 07:48:25,377 INFO L78 Accepts]: Start accepts. Automaton has 21463 states and 31206 transitions. Word has length 170 [2022-11-19 07:48:25,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:25,377 INFO L495 AbstractCegarLoop]: Abstraction has 21463 states and 31206 transitions. [2022-11-19 07:48:25,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:48:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 21463 states and 31206 transitions. [2022-11-19 07:48:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-19 07:48:25,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:25,386 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:25,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:48:25,386 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:48:25,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:25,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1350277491, now seen corresponding path program 1 times [2022-11-19 07:48:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:25,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451684883] [2022-11-19 07:48:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:25,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-19 07:48:26,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:26,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451684883] [2022-11-19 07:48:26,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451684883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:26,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:26,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:48:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51291838] [2022-11-19 07:48:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:26,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:48:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:48:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:48:26,193 INFO L87 Difference]: Start difference. First operand 21463 states and 31206 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:48:27,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:48:30,637 WARN L539 Checker$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 07:48:33,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:48:38,100 WARN L539 Checker$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 07:48:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:46,274 INFO L93 Difference]: Finished difference Result 56566 states and 82500 transitions. [2022-11-19 07:48:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:48:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 171 [2022-11-19 07:48:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:46,465 INFO L225 Difference]: With dead ends: 56566 [2022-11-19 07:48:46,465 INFO L226 Difference]: Without dead ends: 35128 [2022-11-19 07:48:46,590 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 07:48:46,591 INFO L413 NwaCegarLoop]: 6983 mSDtfsCounter, 5289 mSDsluCounter, 5089 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5293 SdHoareTripleChecker+Valid, 12072 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:46,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5293 Valid, 12072 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1474 Invalid, 3 Unknown, 0 Unchecked, 18.4s Time] [2022-11-19 07:48:46,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35128 states. [2022-11-19 07:48:48,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35128 to 35117. [2022-11-19 07:48:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35117 states, 21691 states have (on average 1.33672951915541) internal successors, (28995), 22326 states have internal predecessors, (28995), 10950 states have call successors, (10950), 2526 states have call predecessors, (10950), 2475 states have return successors, (11372), 10697 states have call predecessors, (11372), 10948 states have call successors, (11372) [2022-11-19 07:48:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35117 states to 35117 states and 51317 transitions. [2022-11-19 07:48:48,837 INFO L78 Accepts]: Start accepts. Automaton has 35117 states and 51317 transitions. Word has length 171 [2022-11-19 07:48:48,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:48,838 INFO L495 AbstractCegarLoop]: Abstraction has 35117 states and 51317 transitions. [2022-11-19 07:48:48,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:48:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35117 states and 51317 transitions. [2022-11-19 07:48:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-19 07:48:48,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:48,857 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-19 07:48:48,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:48:48,857 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:48:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash 134965894, now seen corresponding path program 1 times [2022-11-19 07:48:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:48,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778935456] [2022-11-19 07:48:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-19 07:48:49,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:49,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778935456] [2022-11-19 07:48:49,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778935456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:49,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:49,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:48:49,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371094094] [2022-11-19 07:48:49,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:49,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:48:49,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:49,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:48:49,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:48:49,617 INFO L87 Difference]: Start difference. First operand 35117 states and 51317 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:48:51,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:48:54,981 WARN L539 Checker$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 07:48:58,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:00,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:02,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:03,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:09,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:13,963 INFO L93 Difference]: Finished difference Result 62806 states and 91626 transitions. [2022-11-19 07:49:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:13,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 201 [2022-11-19 07:49:13,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:14,106 INFO L225 Difference]: With dead ends: 62806 [2022-11-19 07:49:14,106 INFO L226 Difference]: Without dead ends: 27714 [2022-11-19 07:49:14,247 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 07:49:14,248 INFO L413 NwaCegarLoop]: 9817 mSDtfsCounter, 5755 mSDsluCounter, 4722 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 14539 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:14,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5759 Valid, 14539 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1840 Invalid, 3 Unknown, 0 Unchecked, 22.5s Time] [2022-11-19 07:49:14,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27714 states. [2022-11-19 07:49:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27714 to 27681. [2022-11-19 07:49:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27681 states, 17101 states have (on average 1.3351266007835798) internal successors, (22832), 17600 states have internal predecessors, (22832), 8585 states have call successors, (8585), 2035 states have call predecessors, (8585), 1994 states have return successors, (8895), 8387 states have call predecessors, (8895), 8583 states have call successors, (8895) [2022-11-19 07:49:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27681 states to 27681 states and 40312 transitions. [2022-11-19 07:49:15,808 INFO L78 Accepts]: Start accepts. Automaton has 27681 states and 40312 transitions. Word has length 201 [2022-11-19 07:49:15,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:15,809 INFO L495 AbstractCegarLoop]: Abstraction has 27681 states and 40312 transitions. [2022-11-19 07:49:15,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:49:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 27681 states and 40312 transitions. [2022-11-19 07:49:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-19 07:49:15,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:15,828 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:49:15,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:49:15,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:49:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:15,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1059762877, now seen corresponding path program 1 times [2022-11-19 07:49:15,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:15,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042175586] [2022-11-19 07:49:15,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:16,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:16,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042175586] [2022-11-19 07:49:16,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:49:16,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636772963] [2022-11-19 07:49:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:16,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:49:16,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:49:16,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:49:16,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:49:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 9758 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:49:19,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:49:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-19 07:49:20,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:49:20,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636772963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:20,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:20,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:49:20,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583057425] [2022-11-19 07:49:20,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:20,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:20,029 INFO L87 Difference]: Start difference. First operand 27681 states and 40312 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:49:22,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:24,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:49:27,191 WARN L539 Checker$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 07:49:29,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:31,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:37,899 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 07:49:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:44,673 INFO L93 Difference]: Finished difference Result 71232 states and 103828 transitions. [2022-11-19 07:49:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:44,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 219 [2022-11-19 07:49:44,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:44,865 INFO L225 Difference]: With dead ends: 71232 [2022-11-19 07:49:44,865 INFO L226 Difference]: Without dead ends: 43593 [2022-11-19 07:49:44,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 07:49:44,982 INFO L413 NwaCegarLoop]: 7148 mSDtfsCounter, 5400 mSDsluCounter, 5050 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 40 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5403 SdHoareTripleChecker+Valid, 12198 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:44,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5403 Valid, 12198 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1591 Invalid, 5 Unknown, 0 Unchecked, 22.5s Time] [2022-11-19 07:49:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43593 states. [2022-11-19 07:49:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43593 to 43578. [2022-11-19 07:49:47,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43578 states, 26964 states have (on average 1.3343717549325025) internal successors, (35980), 27792 states have internal predecessors, (35980), 13457 states have call successors, (13457), 3225 states have call predecessors, (13457), 3156 states have return successors, (13926), 13123 states have call predecessors, (13926), 13455 states have call successors, (13926) [2022-11-19 07:49:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43578 states to 43578 states and 63363 transitions. [2022-11-19 07:49:47,403 INFO L78 Accepts]: Start accepts. Automaton has 43578 states and 63363 transitions. Word has length 219 [2022-11-19 07:49:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:47,403 INFO L495 AbstractCegarLoop]: Abstraction has 43578 states and 63363 transitions. [2022-11-19 07:49:47,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:49:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 43578 states and 63363 transitions. [2022-11-19 07:49:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-19 07:49:47,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:47,417 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:47,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:49:47,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:49:47,631 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:49:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash 218401892, now seen corresponding path program 1 times [2022-11-19 07:49:47,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:47,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539056106] [2022-11-19 07:49:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:48,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:48,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539056106] [2022-11-19 07:49:48,517 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 07:49:48,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585699688] [2022-11-19 07:49:48,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:48,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:49:48,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:49:48,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:49:48,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:49:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:52,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 9888 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:49:52,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:49:52,261 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-19 07:49:52,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:49:52,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585699688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:52,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:52,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:49:52,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976084465] [2022-11-19 07:49:52,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:52,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:52,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:52,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:52,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:52,264 INFO L87 Difference]: Start difference. First operand 43578 states and 63363 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:49:54,425 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 07:49:57,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:59,798 WARN L539 Checker$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 07:50:05,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:06,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:08,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:14,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:18,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:18,324 INFO L93 Difference]: Finished difference Result 113479 states and 165433 transitions. [2022-11-19 07:50:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:50:18,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 243 [2022-11-19 07:50:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:18,597 INFO L225 Difference]: With dead ends: 113479 [2022-11-19 07:50:18,598 INFO L226 Difference]: Without dead ends: 69943 [2022-11-19 07:50:18,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 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 07:50:18,737 INFO L413 NwaCegarLoop]: 7040 mSDtfsCounter, 5563 mSDsluCounter, 5133 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5568 SdHoareTripleChecker+Valid, 12173 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:18,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5568 Valid, 12173 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1495 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2022-11-19 07:50:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69943 states. [2022-11-19 07:50:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69943 to 69928. [2022-11-19 07:50:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69928 states, 43376 states have (on average 1.3369144227222427) internal successors, (57990), 44710 states have internal predecessors, (57990), 21628 states have call successors, (21628), 5034 states have call predecessors, (21628), 4923 states have return successors, (22401), 21066 states have call predecessors, (22401), 21626 states have call successors, (22401) [2022-11-19 07:50:23,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69928 states to 69928 states and 102019 transitions. [2022-11-19 07:50:23,080 INFO L78 Accepts]: Start accepts. Automaton has 69928 states and 102019 transitions. Word has length 243 [2022-11-19 07:50:23,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:23,081 INFO L495 AbstractCegarLoop]: Abstraction has 69928 states and 102019 transitions. [2022-11-19 07:50:23,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:50:23,082 INFO L276 IsEmpty]: Start isEmpty. Operand 69928 states and 102019 transitions. [2022-11-19 07:50:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-19 07:50:23,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:23,131 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-11-19 07:50:23,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:50:23,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4314768a-6b0d-4a87-ae03-c68c0b62ef79/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:50:23,332 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:50:23,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:23,333 INFO L85 PathProgramCache]: Analyzing trace with hash -897597815, now seen corresponding path program 1 times [2022-11-19 07:50:23,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:50:23,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655149584] [2022-11-19 07:50:23,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:50:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:50:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2022-11-19 07:50:24,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:50:24,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655149584] [2022-11-19 07:50:24,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655149584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:50:24,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:50:24,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:50:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838638815] [2022-11-19 07:50:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:50:24,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:50:24,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:50:24,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:50:24,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:50:24,504 INFO L87 Difference]: Start difference. First operand 69928 states and 102019 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:50:25,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:27,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:30,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:33,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:50:38,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:40,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:44,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:50:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:50:52,467 INFO L93 Difference]: Finished difference Result 156896 states and 229370 transitions. [2022-11-19 07:50:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:50:52,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 279 [2022-11-19 07:50:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:50:52,887 INFO L225 Difference]: With dead ends: 156896 [2022-11-19 07:50:52,887 INFO L226 Difference]: Without dead ends: 96033 [2022-11-19 07:50:53,074 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 07:50:53,075 INFO L413 NwaCegarLoop]: 9592 mSDtfsCounter, 5586 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5590 SdHoareTripleChecker+Valid, 14491 SdHoareTripleChecker+Invalid, 1896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:50:53,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5590 Valid, 14491 Invalid, 1896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1872 Invalid, 3 Unknown, 0 Unchecked, 22.8s Time] [2022-11-19 07:50:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96033 states. [2022-11-19 07:50:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96033 to 96024. [2022-11-19 07:50:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96024 states, 59694 states have (on average 1.338291955640433) internal successors, (79888), 61516 states have internal predecessors, (79888), 29661 states have call successors, (29661), 6819 states have call predecessors, (29661), 6668 states have return successors, (30718), 28895 states have call predecessors, (30718), 29659 states have call successors, (30718) [2022-11-19 07:50:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96024 states to 96024 states and 140267 transitions. [2022-11-19 07:50:58,619 INFO L78 Accepts]: Start accepts. Automaton has 96024 states and 140267 transitions. Word has length 279 [2022-11-19 07:50:58,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:50:58,619 INFO L495 AbstractCegarLoop]: Abstraction has 96024 states and 140267 transitions. [2022-11-19 07:50:58,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:50:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 96024 states and 140267 transitions. [2022-11-19 07:50:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-19 07:50:58,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:50:58,638 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:50:58,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:50:58,638 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:50:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:50:58,639 INFO L85 PathProgramCache]: Analyzing trace with hash -496999532, now seen corresponding path program 1 times [2022-11-19 07:50:58,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:50:58,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042092323] [2022-11-19 07:50:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:50:58,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:50:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat