./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--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI --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 0d04bb3d8469c4648c43b434c2b72e4dd6384b2369da633bd3e0ca211b280c4c --- 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-5e519f3 [2022-11-03 03:58:04,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:58:04,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:58:04,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:58:04,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:58:04,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:58:04,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:58:04,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:58:04,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:58:04,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:58:04,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:58:04,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:58:04,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:58:04,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:58:04,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:58:04,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:58:04,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:58:04,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:58:04,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:58:04,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:58:04,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:58:04,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:58:04,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:58:04,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:58:04,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:58:04,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:58:04,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:58:04,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:58:04,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:58:04,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:58:04,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:58:04,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:58:04,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:58:04,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:58:04,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:58:04,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:58:04,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:58:04,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:58:04,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:58:04,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:58:04,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:58:04,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:58:04,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:58:04,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:58:04,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:58:04,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:58:04,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:58:04,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:58:04,414 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:58:04,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:58:04,415 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:58:04,415 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:58:04,416 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:58:04,416 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:58:04,417 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:58:04,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:58:04,417 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:58:04,418 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:58:04,418 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:58:04,418 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:58:04,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:58:04,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:58:04,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:58:04,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:58:04,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:58:04,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:58:04,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:58:04,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:58:04,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:58:04,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:58:04,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:58:04,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:04,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:58:04,423 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:58:04,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:58:04,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:58:04,423 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:58:04,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:58:04,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:58:04,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:58:04,424 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_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d04bb3d8469c4648c43b434c2b72e4dd6384b2369da633bd3e0ca211b280c4c [2022-11-03 03:58:04,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:58:04,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:58:04,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:58:04,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:58:04,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:58:04,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i [2022-11-03 03:58:04,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/data/29b98dbe8/1af867e64d31443b868d8cfc953b695e/FLAG4d5944485 [2022-11-03 03:58:06,334 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:58:06,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i [2022-11-03 03:58:06,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/data/29b98dbe8/1af867e64d31443b868d8cfc953b695e/FLAG4d5944485 [2022-11-03 03:58:06,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/data/29b98dbe8/1af867e64d31443b868d8cfc953b695e [2022-11-03 03:58:06,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:58:06,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:58:06,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:06,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:58:06,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:58:06,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:06" (1/1) ... [2022-11-03 03:58:06,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d466158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:06, skipping insertion in model container [2022-11-03 03:58:06,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:06" (1/1) ... [2022-11-03 03:58:06,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:58:07,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:58:17,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i[739519,739532] [2022-11-03 03:58:17,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:18,054 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:58:19,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i[739519,739532] [2022-11-03 03:58:19,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:20,238 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:58:20,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20 WrapperNode [2022-11-03 03:58:20,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:20,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:20,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:58:20,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:58:20,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:20,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:21,495 INFO L138 Inliner]: procedures = 935, calls = 7370, calls flagged for inlining = 339, calls inlined = 314, statements flattened = 15308 [2022-11-03 03:58:21,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:21,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:58:21,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:58:21,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:58:21,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:21,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:21,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:21,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:58:22,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:58:22,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:58:22,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:58:22,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2022-11-03 03:58:22,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:58:22,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:58:22,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017e27a-9d36-4c22-9b9b-a298db0c80df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:58:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_path_seq_stop [2022-11-03 03:58:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_path_seq_stop [2022-11-03 03:58:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_alloc_rx_skb [2022-11-03 03:58:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_alloc_rx_skb [2022-11-03 03:58:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure __ipoib_mcast_find [2022-11-03 03:58:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipoib_mcast_find [2022-11-03 03:58:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dst_drop [2022-11-03 03:58:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dst_drop [2022-11-03 03:58:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2022-11-03 03:58:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2022-11-03 03:58:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 03:58:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 03:58:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure update_child_pkey [2022-11-03 03:58:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure update_child_pkey [2022-11-03 03:58:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure __path_find [2022-11-03 03:58:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __path_find [2022-11-03 03:58:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:58:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:58:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure format_gid [2022-11-03 03:58:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure format_gid [2022-11-03 03:58:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_get [2022-11-03 03:58:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_get [2022-11-03 03:58:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_add_pkey_attr [2022-11-03 03:58:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_add_pkey_attr [2022-11-03 03:58:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-03 03:58:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-03 03:58:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_post_receive [2022-11-03 03:58:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_post_receive [2022-11-03 03:58:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 03:58:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 03:58:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:58:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:58:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure update_parent_pkey [2022-11-03 03:58:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure update_parent_pkey [2022-11-03 03:58:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u16 [2022-11-03 03:58:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u16 [2022-11-03 03:58:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:58:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:58:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:58:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:58:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_set_mode [2022-11-03 03:58:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_set_mode [2022-11-03 03:58:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_add_port [2022-11-03 03:58:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_add_port [2022-11-03 03:58:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_intf_alloc [2022-11-03 03:58:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_intf_alloc [2022-11-03 03:58:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 03:58:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 03:58:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-03 03:58:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-03 03:58:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-03 03:58:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-03 03:58:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure restart_syscall [2022-11-03 03:58:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_syscall [2022-11-03 03:58:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 03:58:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_fill_info [2022-11-03 03:58:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_fill_info [2022-11-03 03:58:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-03 03:58:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-03 03:58:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:58:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:58:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 03:58:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:58:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:58:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cq [2022-11-03 03:58:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cq [2022-11-03 03:58:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-03 03:58:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-03 03:58:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_get_iflink [2022-11-03 03:58:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_get_iflink [2022-11-03 03:58:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-03 03:58:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-03 03:58:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:58:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:58:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2022-11-03 03:58:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2022-11-03 03:58:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:58:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:58:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-11-03 03:58:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-11-03 03:58:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2022-11-03 03:58:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2022-11-03 03:58:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock___0 [2022-11-03 03:58:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock___0 [2022-11-03 03:58:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock___2 [2022-11-03 03:58:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock___2 [2022-11-03 03:58:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_flush_normal [2022-11-03 03:58:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_flush_normal [2022-11-03 03:58:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-03 03:58:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-03 03:58:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_dtor [2022-11-03 03:58:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_dtor [2022-11-03 03:58:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_changelink [2022-11-03 03:58:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_changelink [2022-11-03 03:58:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_free [2022-11-03 03:58:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_free [2022-11-03 03:58:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:58:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:58:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_start_rx_drain [2022-11-03 03:58:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_start_rx_drain [2022-11-03 03:58:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure path_rec_start [2022-11-03 03:58:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure path_rec_start [2022-11-03 03:58:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-03 03:58:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-03 03:58:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_11 [2022-11-03 03:58:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_11 [2022-11-03 03:58:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:58:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-11-03 03:58:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-11-03 03:58:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_alloc [2022-11-03 03:58:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_alloc [2022-11-03 03:58:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 03:58:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 03:58:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_set_mcast_list [2022-11-03 03:58:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_set_mcast_list [2022-11-03 03:58:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 03:58:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 03:58:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 03:58:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 03:58:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcg_seq_stop [2022-11-03 03:58:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcg_seq_stop [2022-11-03 03:58:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-03 03:58:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-03 03:58:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_get [2022-11-03 03:58:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_get [2022-11-03 03:58:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 03:58:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 03:58:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-03 03:58:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-03 03:58:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:58:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:58:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 03:58:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 03:58:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:58:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_dev_stop [2022-11-03 03:58:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_dev_stop [2022-11-03 03:58:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_qp [2022-11-03 03:58:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_qp [2022-11-03 03:58:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 03:58:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 03:58:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:58:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_rx_reap [2022-11-03 03:58:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_rx_reap [2022-11-03 03:58:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-03 03:58:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-03 03:58:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:58:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:58:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 03:58:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 03:58:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 03:58:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 03:58:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_flush_light [2022-11-03 03:58:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_flush_light [2022-11-03 03:58:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure ib_mtu_enum_to_int [2022-11-03 03:58:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_mtu_enum_to_int [2022-11-03 03:58:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-03 03:58:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-03 03:58:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:58:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:58:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___2 [2022-11-03 03:58:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___2 [2022-11-03 03:58:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___1 [2022-11-03 03:58:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___1 [2022-11-03 03:58:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_skb_cb [2022-11-03 03:58:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_skb_cb [2022-11-03 03:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:58:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 03:58:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 03:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-03 03:58:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-03 03:58:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:58:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:58:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_change_mtu [2022-11-03 03:58:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_change_mtu [2022-11-03 03:58:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-11-03 03:58:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-11-03 03:58:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-03 03:58:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-03 03:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:58:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-03 03:58:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-03 03:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_page___0 [2022-11-03 03:58:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_page___0 [2022-11-03 03:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh___1 [2022-11-03 03:58:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh___1 [2022-11-03 03:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh___2 [2022-11-03 03:58:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh___2 [2022-11-03 03:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_has_srq [2022-11-03 03:58:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_has_srq [2022-11-03 03:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:58:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:58:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:58:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:58:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:58:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:58:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:58:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 03:58:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 03:58:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_post_receives [2022-11-03 03:58:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_post_receives [2022-11-03 03:58:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_free [2022-11-03 03:58:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_free [2022-11-03 03:58:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 03:58:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 03:58:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 03:58:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 03:58:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 03:58:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_skb_too_long [2022-11-03 03:58:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_skb_too_long [2022-11-03 03:58:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure __ipoib_mcast_schedule_join_thread [2022-11-03 03:58:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipoib_mcast_schedule_join_thread [2022-11-03 03:58:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-03 03:58:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-03 03:58:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:58:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:58:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 03:58:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 03:58:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:58:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:58:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure show_umcast [2022-11-03 03:58:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure show_umcast [2022-11-03 03:58:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 03:58:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 03:58:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 03:58:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 03:58:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_free_rx_reap_list [2022-11-03 03:58:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_free_rx_reap_list [2022-11-03 03:58:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dst [2022-11-03 03:58:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dst [2022-11-03 03:58:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 03:58:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 03:58:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:58:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_17 [2022-11-03 03:58:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_17 [2022-11-03 03:58:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:58:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:58:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_handle_rx_wc [2022-11-03 03:58:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_handle_rx_wc [2022-11-03 03:58:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:58:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 03:58:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 03:58:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_post_receive_srq [2022-11-03 03:58:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_post_receive_srq [2022-11-03 03:58:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-03 03:58:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-03 03:58:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single___0 [2022-11-03 03:58:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single___0 [2022-11-03 03:58:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-03 03:58:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-03 03:58:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2022-11-03 03:58:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2022-11-03 03:58:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2022-11-03 03:58:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2022-11-03 03:58:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_post_receive_nonsrq [2022-11-03 03:58:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_post_receive_nonsrq [2022-11-03 03:58:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 03:58:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 03:58:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:58:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:58:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 03:58:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 03:58:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_gid [2022-11-03 03:58:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_gid [2022-11-03 03:58:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 03:58:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 03:58:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_delete_debug_files [2022-11-03 03:58:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_delete_debug_files [2022-11-03 03:58:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:58:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:58:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_flush_heavy [2022-11-03 03:58:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_flush_heavy [2022-11-03 03:58:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2022-11-03 03:58:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2022-11-03 03:58:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:58:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:58:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_init [2022-11-03 03:58:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_init [2022-11-03 03:58:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_dev_cleanup [2022-11-03 03:58:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_dev_cleanup [2022-11-03 03:58:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_get_size [2022-11-03 03:58:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_get_size [2022-11-03 03:58:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure recvs_pending [2022-11-03 03:58:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure recvs_pending [2022-11-03 03:58:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_leave [2022-11-03 03:58:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_leave [2022-11-03 03:58:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_stale_task [2022-11-03 03:58:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_stale_task [2022-11-03 03:58:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:58:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:58:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:58:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:58:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_alloc_rx_skb [2022-11-03 03:58:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_alloc_rx_skb [2022-11-03 03:58:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure show_mode [2022-11-03 03:58:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mode [2022-11-03 03:58:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2022-11-03 03:58:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2022-11-03 03:58:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:58:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:58:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2022-11-03 03:58:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2022-11-03 03:58:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure path_free [2022-11-03 03:58:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure path_free [2022-11-03 03:58:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure ib_find_pkey [2022-11-03 03:58:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_find_pkey [2022-11-03 03:58:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work___3 [2022-11-03 03:58:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work___3 [2022-11-03 03:58:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 03:58:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 03:58:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:58:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 03:58:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 03:58:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure __path_add [2022-11-03 03:58:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __path_add [2022-11-03 03:58:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure __ipoib_mcast_add [2022-11-03 03:58:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipoib_mcast_add [2022-11-03 03:58:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 03:58:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 03:58:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:58:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:58:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_join [2022-11-03 03:58:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_join [2022-11-03 03:58:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_down [2022-11-03 03:58:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_down [2022-11-03 03:58:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_tx_start [2022-11-03 03:58:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_tx_start [2022-11-03 03:58:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-11-03 03:58:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-11-03 03:58:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2022-11-03 03:58:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2022-11-03 03:58:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 03:58:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 03:58:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 03:58:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 03:58:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_handle_tx_wc [2022-11-03 03:58:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_handle_tx_wc [2022-11-03 03:58:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_11 [2022-11-03 03:58:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_11 [2022-11-03 03:58:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_add_one [2022-11-03 03:58:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_add_one [2022-11-03 03:58:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2022-11-03 03:58:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2022-11-03 03:58:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-03 03:58:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-03 03:58:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-03 03:58:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-03 03:58:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-03 03:58:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-03 03:58:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_add_mode_attr [2022-11-03 03:58:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_add_mode_attr [2022-11-03 03:58:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_set_umcast [2022-11-03 03:58:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_set_umcast [2022-11-03 03:58:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_srq_recv [2022-11-03 03:58:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_srq_recv [2022-11-03 03:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:58:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_send [2022-11-03 03:58:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_send [2022-11-03 03:58:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:58:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 03:58:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 03:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:58:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:58:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:58:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:58:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single___0 [2022-11-03 03:58:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single___0 [2022-11-03 03:58:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_poll [2022-11-03 03:58:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_poll [2022-11-03 03:58:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ipoib_vlan_add [2022-11-03 03:58:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipoib_vlan_add [2022-11-03 03:58:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_setup [2022-11-03 03:58:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_setup [2022-11-03 03:58:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_free_rx_ring [2022-11-03 03:58:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_free_rx_ring [2022-11-03 03:58:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_addr_hash [2022-11-03 03:58:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_addr_hash [2022-11-03 03:58:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_tx_reap [2022-11-03 03:58:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_tx_reap [2022-11-03 03:58:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_pkey_dev_check_presence [2022-11-03 03:58:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_pkey_dev_check_presence [2022-11-03 03:58:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_11 [2022-11-03 03:58:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_11 [2022-11-03 03:58:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_dev_init [2022-11-03 03:58:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_dev_init [2022-11-03 03:58:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2022-11-03 03:58:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2022-11-03 03:58:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:58:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:58:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_carrier_on_task [2022-11-03 03:58:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_carrier_on_task [2022-11-03 03:58:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-03 03:58:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-03 03:58:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_transport_dev_init [2022-11-03 03:58:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_transport_dev_init [2022-11-03 03:58:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-03 03:58:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-03 03:58:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2022-11-03 03:58:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2022-11-03 03:58:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_fix_features [2022-11-03 03:58:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_fix_features [2022-11-03 03:58:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-03 03:58:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-03 03:58:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 03:58:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 03:58:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:58:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:58:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_change_flags [2022-11-03 03:58:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_change_flags [2022-11-03 03:58:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_iter_next [2022-11-03 03:58:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_iter_next [2022-11-03 03:58:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~u64~0 [2022-11-03 03:58:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~u64~0 [2022-11-03 03:58:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:58:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 03:58:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 03:58:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-03 03:58:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-03 03:58:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-03 03:58:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-03 03:58:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-11-03 03:58:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-11-03 03:58:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:58:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:58:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-03 03:58:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-03 03:58:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_15 [2022-11-03 03:58:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_15 [2022-11-03 03:58:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:58:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:58:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_alloc [2022-11-03 03:58:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_alloc [2022-11-03 03:58:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_15 [2022-11-03 03:58:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_15 [2022-11-03 03:58:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_enabled [2022-11-03 03:58:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_enabled [2022-11-03 03:58:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_stop_thread [2022-11-03 03:58:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_stop_thread [2022-11-03 03:58:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2022-11-03 03:58:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2022-11-03 03:58:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-03 03:58:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-03 03:58:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:58:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_reclaim [2022-11-03 03:58:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_reclaim [2022-11-03 03:58:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_sched [2022-11-03 03:58:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_sched [2022-11-03 03:58:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:58:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:58:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:58:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:58:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_reap_ah [2022-11-03 03:58:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_reap_ah [2022-11-03 03:58:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:58:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_open [2022-11-03 03:58:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_open [2022-11-03 03:58:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-03 03:58:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-03 03:58:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_add_umcast_attr [2022-11-03 03:58:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_add_umcast_attr [2022-11-03 03:58:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:58:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:58:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_put_ah [2022-11-03 03:58:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_put_ah [2022-11-03 03:58:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:58:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:58:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 03:58:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 03:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_21 [2022-11-03 03:58:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_21 [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_timeout [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_timeout [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_set [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_set [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure show_pkey [2022-11-03 03:58:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pkey [2022-11-03 03:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_dev_flush [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_dev_flush [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_init_rx_wr [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_init_rx_wr [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_path_iter_next [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_path_iter_next [2022-11-03 03:58:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-03 03:58:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_neigh_put [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_neigh_put [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure __ipoib_ib_dev_flush [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipoib_ib_dev_flush [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-03 03:58:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_create_tx [2022-11-03 03:58:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_create_tx [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_qp_state_validate_work [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_qp_state_validate_work [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_flush_paths [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_flush_paths [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 03:58:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 03:58:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure path_rec_create [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure path_rec_create [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_unregister_child_dev [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_unregister_child_dev [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-11-03 03:58:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-11-03 03:58:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock___2 [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock___2 [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock___0 [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock___0 [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_dev_init [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_dev_init [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-03 03:58:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-03 03:58:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_admin_enabled [2022-11-03 03:58:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_admin_enabled [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-03 03:58:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_transport_dev_cleanup [2022-11-03 03:58:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_transport_dev_cleanup [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2022-11-03 03:58:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:58:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:58:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure show_parent [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure show_parent [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_client [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_client [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_restart_task [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_restart_task [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 03:58:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 03:58:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_mcast_join_task [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_mcast_join_task [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_set_dev_features [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_set_dev_features [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_dev_cleanup [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_dev_cleanup [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-03 03:58:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-03 03:58:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_11 [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_11 [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:58:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sa_unregister_client [2022-11-03 03:58:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sa_unregister_client [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_handle_rx_wc [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_handle_rx_wc [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_dma_unmap_tx [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_dma_unmap_tx [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_create_debug_files [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_create_debug_files [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_unregister_debugfs [2022-11-03 03:58:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_unregister_debugfs [2022-11-03 03:58:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ud_dma_unmap_rx [2022-11-03 03:58:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ud_dma_unmap_rx [2022-11-03 03:58:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_dma_unmap_rx [2022-11-03 03:58:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_dma_unmap_rx [2022-11-03 03:58:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_new_child_link [2022-11-03 03:58:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_new_child_link [2022-11-03 03:58:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_cleanup [2022-11-03 03:58:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_cleanup [2022-11-03 03:58:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 03:58:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 03:58:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_uninit [2022-11-03 03:58:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_uninit [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_qp [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_qp [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_up [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_up [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_event_handler [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_event_handler [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_poll_cq [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_poll_cq [2022-11-03 03:58:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 03:58:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_flush_ah [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_flush_ah [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-11-03 03:58:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_cm_skb_reap [2022-11-03 03:58:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_cm_skb_reap [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tx [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tx [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 03:58:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 03:58:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_reap_neigh [2022-11-03 03:58:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_reap_neigh [2022-11-03 03:58:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~TO~~u64~0 [2022-11-03 03:58:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~TO~~u64~0 [2022-11-03 03:58:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 03:58:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 03:58:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_pkey [2022-11-03 03:58:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_pkey [2022-11-03 03:58:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:58:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:58:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 03:58:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 03:58:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_del_neighs_by_gid [2022-11-03 03:58:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_del_neighs_by_gid [2022-11-03 03:58:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:58:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:58:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 03:58:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 03:58:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_page [2022-11-03 03:58:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_page [2022-11-03 03:58:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 03:58:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 03:58:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 03:58:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 03:58:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 03:58:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 03:58:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_ib_dev_stop [2022-11-03 03:58:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_ib_dev_stop [2022-11-03 03:58:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 03:58:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 03:58:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_drain_cq [2022-11-03 03:58:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_drain_cq [2022-11-03 03:58:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:58:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:58:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:58:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-11-03 03:58:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-11-03 03:58:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure ipoib_remove_one [2022-11-03 03:58:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ipoib_remove_one [2022-11-03 03:58:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 03:58:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 03:58:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh___1 [2022-11-03 03:58:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh___1 [2022-11-03 03:58:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh___2 [2022-11-03 03:58:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh___2 [2022-11-03 03:58:25,335 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:58:25,346 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:58:26,773 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:01:28,457 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:01:34,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:01:34,207 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:01:34,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:34 BoogieIcfgContainer [2022-11-03 04:01:34,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:01:34,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:01:34,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:01:34,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:01:34,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:58:06" (1/3) ... [2022-11-03 04:01:34,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc8734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:34, skipping insertion in model container [2022-11-03 04:01:34,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (2/3) ... [2022-11-03 04:01:34,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc8734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:34, skipping insertion in model container [2022-11-03 04:01:34,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:34" (3/3) ... [2022-11-03 04:01:34,232 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--ipoib--ib_ipoib.ko-entry_point.cil.out.i [2022-11-03 04:01:34,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:01:34,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:01:34,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:01:34,461 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;@6f3a854c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:01:34,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:01:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 4972 states, 2903 states have (on average 1.3069238718567) internal successors, (3794), 3083 states have internal predecessors, (3794), 1726 states have call successors, (1726), 342 states have call predecessors, (1726), 341 states have return successors, (1701), 1655 states have call predecessors, (1701), 1701 states have call successors, (1701) [2022-11-03 04:01:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-03 04:01:34,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:34,555 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 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] [2022-11-03 04:01:34,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:34,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:34,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1454185512, now seen corresponding path program 1 times [2022-11-03 04:01:34,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061341532] [2022-11-03 04:01:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-03 04:01:36,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:36,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061341532] [2022-11-03 04:01:36,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061341532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:36,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:36,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:36,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309309262] [2022-11-03 04:01:36,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:36,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:36,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:36,516 INFO L87 Difference]: Start difference. First operand has 4972 states, 2903 states have (on average 1.3069238718567) internal successors, (3794), 3083 states have internal predecessors, (3794), 1726 states have call successors, (1726), 342 states have call predecessors, (1726), 341 states have return successors, (1701), 1655 states have call predecessors, (1701), 1701 states have call successors, (1701) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:01:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:40,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:43,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:47,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:50,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:00,679 INFO L93 Difference]: Finished difference Result 9867 states and 14328 transitions. [2022-11-03 04:02:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:02:00,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 305 [2022-11-03 04:02:00,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:00,799 INFO L225 Difference]: With dead ends: 9867 [2022-11-03 04:02:00,799 INFO L226 Difference]: Without dead ends: 9771 [2022-11-03 04:02:00,818 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 [2022-11-03 04:02:00,822 INFO L413 NwaCegarLoop]: 10330 mSDtfsCounter, 7092 mSDsluCounter, 7132 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7094 SdHoareTripleChecker+Valid, 16893 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:00,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7094 Valid, 16893 Invalid, 1356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1351 Invalid, 4 Unknown, 0 Unchecked, 23.3s Time] [2022-11-03 04:02:00,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9771 states. [2022-11-03 04:02:01,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9771 to 9768. [2022-11-03 04:02:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9768 states, 5727 states have (on average 1.2952680286362843) internal successors, (7418), 6030 states have internal predecessors, (7418), 3362 states have call successors, (3362), 680 states have call predecessors, (3362), 678 states have return successors, (3359), 3266 states have call predecessors, (3359), 3359 states have call successors, (3359) [2022-11-03 04:02:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9768 states to 9768 states and 14139 transitions. [2022-11-03 04:02:01,579 INFO L78 Accepts]: Start accepts. Automaton has 9768 states and 14139 transitions. Word has length 305 [2022-11-03 04:02:01,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:01,581 INFO L495 AbstractCegarLoop]: Abstraction has 9768 states and 14139 transitions. [2022-11-03 04:02:01,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:02:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 9768 states and 14139 transitions. [2022-11-03 04:02:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-03 04:02:01,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:01,595 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 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] [2022-11-03 04:02:01,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:02:01,596 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:01,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:01,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2127237181, now seen corresponding path program 1 times [2022-11-03 04:02:01,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:01,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779112877] [2022-11-03 04:02:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-03 04:02:02,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:02,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779112877] [2022-11-03 04:02:02,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779112877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:02,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:02,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:02:02,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718933119] [2022-11-03 04:02:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:02,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:02:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:02:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:02,538 INFO L87 Difference]: Start difference. First operand 9768 states and 14139 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:02:04,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:06,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:09,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:13,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:15,867 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 [] [2022-11-03 04:02:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:24,293 INFO L93 Difference]: Finished difference Result 9775 states and 14145 transitions. [2022-11-03 04:02:24,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:02:24,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 306 [2022-11-03 04:02:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:24,375 INFO L225 Difference]: With dead ends: 9775 [2022-11-03 04:02:24,376 INFO L226 Difference]: Without dead ends: 9772 [2022-11-03 04:02:24,387 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 [2022-11-03 04:02:24,388 INFO L413 NwaCegarLoop]: 10075 mSDtfsCounter, 7004 mSDsluCounter, 7051 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7006 SdHoareTripleChecker+Valid, 16558 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:24,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7006 Valid, 16558 Invalid, 1340 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1334 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2022-11-03 04:02:24,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9772 states. [2022-11-03 04:02:24,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9772 to 9769. [2022-11-03 04:02:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 5728 states have (on average 1.2952164804469273) internal successors, (7419), 6031 states have internal predecessors, (7419), 3362 states have call successors, (3362), 680 states have call predecessors, (3362), 678 states have return successors, (3359), 3266 states have call predecessors, (3359), 3359 states have call successors, (3359) [2022-11-03 04:02:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 14140 transitions. [2022-11-03 04:02:24,976 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 14140 transitions. Word has length 306 [2022-11-03 04:02:24,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:24,982 INFO L495 AbstractCegarLoop]: Abstraction has 9769 states and 14140 transitions. [2022-11-03 04:02:24,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:02:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 14140 transitions. [2022-11-03 04:02:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-03 04:02:24,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:24,998 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 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] [2022-11-03 04:02:24,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:02:24,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:25,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1517007307, now seen corresponding path program 1 times [2022-11-03 04:02:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:25,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746666895] [2022-11-03 04:02:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:25,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-03 04:02:26,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:26,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746666895] [2022-11-03 04:02:26,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746666895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:26,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:26,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:02:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512814795] [2022-11-03 04:02:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:26,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:02:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:26,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:02:26,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:26,316 INFO L87 Difference]: Start difference. First operand 9769 states and 14140 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:02:28,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:30,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:33,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:36,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:44,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:49,980 INFO L93 Difference]: Finished difference Result 12906 states and 18514 transitions. [2022-11-03 04:02:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:02:49,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 307 [2022-11-03 04:02:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:50,083 INFO L225 Difference]: With dead ends: 12906 [2022-11-03 04:02:50,084 INFO L226 Difference]: Without dead ends: 12892 [2022-11-03 04:02:50,097 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 [2022-11-03 04:02:50,098 INFO L413 NwaCegarLoop]: 10140 mSDtfsCounter, 6964 mSDsluCounter, 7054 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6968 SdHoareTripleChecker+Valid, 16626 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:50,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6968 Valid, 16626 Invalid, 1340 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1335 Invalid, 5 Unknown, 0 Unchecked, 23.0s Time] [2022-11-03 04:02:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2022-11-03 04:02:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 12890. [2022-11-03 04:02:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12890 states, 7462 states have (on average 1.2804878048780488) internal successors, (9555), 7866 states have internal predecessors, (9555), 4469 states have call successors, (4469), 961 states have call predecessors, (4469), 958 states have return successors, (4468), 4344 states have call predecessors, (4468), 4466 states have call successors, (4468) [2022-11-03 04:02:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12890 states to 12890 states and 18492 transitions. [2022-11-03 04:02:50,937 INFO L78 Accepts]: Start accepts. Automaton has 12890 states and 18492 transitions. Word has length 307 [2022-11-03 04:02:50,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:50,938 INFO L495 AbstractCegarLoop]: Abstraction has 12890 states and 18492 transitions. [2022-11-03 04:02:50,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 04:02:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 12890 states and 18492 transitions. [2022-11-03 04:02:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-03 04:02:50,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:50,957 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 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] [2022-11-03 04:02:50,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:02:50,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:50,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:50,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1904254351, now seen corresponding path program 1 times [2022-11-03 04:02:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:50,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027486584] [2022-11-03 04:02:50,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:50,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-03 04:02:52,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:52,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027486584] [2022-11-03 04:02:52,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027486584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:52,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:52,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:02:52,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247258833] [2022-11-03 04:02:52,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:52,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:02:52,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:02:52,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:52,012 INFO L87 Difference]: Start difference. First operand 12890 states and 18492 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 04:02:54,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:56,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:02:58,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:02,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:05,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:07,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:13,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:13,080 INFO L93 Difference]: Finished difference Result 38413 states and 55091 transitions. [2022-11-03 04:03:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:13,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 326 [2022-11-03 04:03:13,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:13,223 INFO L225 Difference]: With dead ends: 38413 [2022-11-03 04:03:13,224 INFO L226 Difference]: Without dead ends: 25572 [2022-11-03 04:03:13,301 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 [2022-11-03 04:03:13,305 INFO L413 NwaCegarLoop]: 9358 mSDtfsCounter, 6903 mSDsluCounter, 7106 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6905 SdHoareTripleChecker+Valid, 15898 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:13,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6905 Valid, 15898 Invalid, 1292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1283 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-11-03 04:03:13,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25572 states. [2022-11-03 04:03:14,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25572 to 25549. [2022-11-03 04:03:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25549 states, 14784 states have (on average 1.2802353896103895) internal successors, (18927), 15586 states have internal predecessors, (18927), 8858 states have call successors, (8858), 1912 states have call predecessors, (8858), 1906 states have return successors, (8859), 8609 states have call predecessors, (8859), 8855 states have call successors, (8859) [2022-11-03 04:03:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25549 states to 25549 states and 36644 transitions. [2022-11-03 04:03:14,959 INFO L78 Accepts]: Start accepts. Automaton has 25549 states and 36644 transitions. Word has length 326 [2022-11-03 04:03:14,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:14,961 INFO L495 AbstractCegarLoop]: Abstraction has 25549 states and 36644 transitions. [2022-11-03 04:03:14,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 04:03:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 25549 states and 36644 transitions. [2022-11-03 04:03:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-03 04:03:14,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:14,985 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 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] [2022-11-03 04:03:14,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:03:14,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:14,986 INFO L85 PathProgramCache]: Analyzing trace with hash -329150367, now seen corresponding path program 1 times [2022-11-03 04:03:14,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:14,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508881558] [2022-11-03 04:03:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:14,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2022-11-03 04:03:16,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:16,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508881558] [2022-11-03 04:03:16,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508881558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:16,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:16,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284737922] [2022-11-03 04:03:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:16,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:16,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:16,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:16,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:16,238 INFO L87 Difference]: Start difference. First operand 25549 states and 36644 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 04:03:18,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:21,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:23,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:25,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:28,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:30,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:33,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:38,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:38,847 INFO L93 Difference]: Finished difference Result 60380 states and 86693 transitions. [2022-11-03 04:03:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:38,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 348 [2022-11-03 04:03:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:39,025 INFO L225 Difference]: With dead ends: 60380 [2022-11-03 04:03:39,025 INFO L226 Difference]: Without dead ends: 34880 [2022-11-03 04:03:39,277 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 [2022-11-03 04:03:39,278 INFO L413 NwaCegarLoop]: 8395 mSDtfsCounter, 6852 mSDsluCounter, 7109 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6856 SdHoareTripleChecker+Valid, 14937 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:39,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6856 Valid, 14937 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1186 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2022-11-03 04:03:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34880 states. [2022-11-03 04:03:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34880 to 34865. [2022-11-03 04:03:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34865 states, 20218 states have (on average 1.28336136116332) internal successors, (25947), 21320 states have internal predecessors, (25947), 12075 states have call successors, (12075), 2579 states have call predecessors, (12075), 2571 states have return successors, (12080), 11730 states have call predecessors, (12080), 12072 states have call successors, (12080) [2022-11-03 04:03:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34865 states to 34865 states and 50102 transitions. [2022-11-03 04:03:41,226 INFO L78 Accepts]: Start accepts. Automaton has 34865 states and 50102 transitions. Word has length 348 [2022-11-03 04:03:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:41,227 INFO L495 AbstractCegarLoop]: Abstraction has 34865 states and 50102 transitions. [2022-11-03 04:03:41,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 04:03:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 34865 states and 50102 transitions. [2022-11-03 04:03:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-03 04:03:41,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:41,426 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:03:41,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:03:41,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:03:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:41,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1463527187, now seen corresponding path program 1 times [2022-11-03 04:03:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:41,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442968602] [2022-11-03 04:03:41,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:41,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2239 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2223 trivial. 0 not checked. [2022-11-03 04:03:42,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:42,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442968602] [2022-11-03 04:03:42,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442968602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:42,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:42,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593259566] [2022-11-03 04:03:42,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:42,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:42,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:42,265 INFO L87 Difference]: Start difference. First operand 34865 states and 50102 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:03:44,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:47,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:49,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:54,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:56,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:02,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:05,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:05,946 INFO L93 Difference]: Finished difference Result 104107 states and 149578 transitions. [2022-11-03 04:04:05,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:05,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 413 [2022-11-03 04:04:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:06,542 INFO L225 Difference]: With dead ends: 104107 [2022-11-03 04:04:06,542 INFO L226 Difference]: Without dead ends: 69308 [2022-11-03 04:04:06,673 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 [2022-11-03 04:04:06,674 INFO L413 NwaCegarLoop]: 8314 mSDtfsCounter, 6912 mSDsluCounter, 7112 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6914 SdHoareTripleChecker+Valid, 14859 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:06,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6914 Valid, 14859 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1169 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2022-11-03 04:04:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69308 states. [2022-11-03 04:04:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69308 to 69291. [2022-11-03 04:04:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69291 states, 40174 states have (on average 1.2835664857868272) internal successors, (51566), 42379 states have internal predecessors, (51566), 23981 states have call successors, (23981), 5151 states have call predecessors, (23981), 5135 states have return successors, (23994), 23286 states have call predecessors, (23994), 23978 states have call successors, (23994) [2022-11-03 04:04:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69291 states to 69291 states and 99541 transitions. [2022-11-03 04:04:10,558 INFO L78 Accepts]: Start accepts. Automaton has 69291 states and 99541 transitions. Word has length 413 [2022-11-03 04:04:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:10,559 INFO L495 AbstractCegarLoop]: Abstraction has 69291 states and 99541 transitions. [2022-11-03 04:04:10,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:04:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 69291 states and 99541 transitions. [2022-11-03 04:04:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-03 04:04:10,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:10,604 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:10,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:04:10,605 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:10,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash -241094315, now seen corresponding path program 1 times [2022-11-03 04:04:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:10,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804064568] [2022-11-03 04:04:10,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:10,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2223 trivial. 0 not checked. [2022-11-03 04:04:11,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:11,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804064568] [2022-11-03 04:04:11,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804064568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:11,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:11,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215547838] [2022-11-03 04:04:11,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:11,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:11,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:11,648 INFO L87 Difference]: Start difference. First operand 69291 states and 99541 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:04:13,827 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 [] [2022-11-03 04:04:16,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:17,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:27,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:29,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:34,743 INFO L93 Difference]: Finished difference Result 207082 states and 297469 transitions. [2022-11-03 04:04:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:34,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 417 [2022-11-03 04:04:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:35,617 INFO L225 Difference]: With dead ends: 207082 [2022-11-03 04:04:35,617 INFO L226 Difference]: Without dead ends: 137857 [2022-11-03 04:04:35,827 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 [2022-11-03 04:04:35,827 INFO L413 NwaCegarLoop]: 8426 mSDtfsCounter, 6899 mSDsluCounter, 7112 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6901 SdHoareTripleChecker+Valid, 14970 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:35,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6901 Valid, 14970 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1186 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 04:04:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137857 states. [2022-11-03 04:04:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137857 to 137846. [2022-11-03 04:04:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137846 states, 79906 states have (on average 1.2835581808625134) internal successors, (102564), 84302 states have internal predecessors, (102564), 47700 states have call successors, (47700), 10271 states have call predecessors, (47700), 10239 states have return successors, (47729), 46317 states have call predecessors, (47729), 47697 states have call successors, (47729) [2022-11-03 04:04:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137846 states to 137846 states and 197993 transitions. [2022-11-03 04:04:43,270 INFO L78 Accepts]: Start accepts. Automaton has 137846 states and 197993 transitions. Word has length 417 [2022-11-03 04:04:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:43,271 INFO L495 AbstractCegarLoop]: Abstraction has 137846 states and 197993 transitions. [2022-11-03 04:04:43,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:04:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 137846 states and 197993 transitions. [2022-11-03 04:04:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-03 04:04:43,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:43,431 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:43,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:04:43,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:43,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1361255850, now seen corresponding path program 1 times [2022-11-03 04:04:43,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:43,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57730617] [2022-11-03 04:04:43,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6344 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6291 trivial. 0 not checked. [2022-11-03 04:04:45,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:45,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57730617] [2022-11-03 04:04:45,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57730617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:45,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:45,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:45,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013318003] [2022-11-03 04:04:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:45,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:45,166 INFO L87 Difference]: Start difference. First operand 137846 states and 197993 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-11-03 04:04:47,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:50,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:00,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:03,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:14,227 INFO L93 Difference]: Finished difference Result 344482 states and 494804 transitions. [2022-11-03 04:05:14,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 626 [2022-11-03 04:05:14,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:15,327 INFO L225 Difference]: With dead ends: 344482 [2022-11-03 04:05:15,327 INFO L226 Difference]: Without dead ends: 206702 [2022-11-03 04:05:16,051 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 [2022-11-03 04:05:16,052 INFO L413 NwaCegarLoop]: 12913 mSDtfsCounter, 6969 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 19416 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:16,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6971 Valid, 19416 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1712 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2022-11-03 04:05:16,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206702 states.