./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba --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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- 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-b5237d8 [2022-11-22 02:10:10,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:10:10,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:10:10,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:10:10,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:10:10,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:10:10,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:10:10,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:10:10,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:10:10,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:10:10,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:10:10,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:10:10,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:10:10,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:10:10,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:10:10,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:10:10,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:10:10,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:10:10,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:10:10,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:10:10,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:10:10,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:10:10,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:10:10,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:10:10,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:10:10,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:10:10,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:10:10,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:10:10,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:10:10,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:10:10,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:10:10,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:10:10,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:10:10,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:10:10,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:10:10,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:10:10,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:10:10,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:10:10,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:10:10,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:10:10,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:10:10,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:10:10,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:10:10,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:10:10,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:10:10,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:10:10,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:10:10,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:10:10,601 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:10:10,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:10:10,601 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:10:10,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:10:10,601 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:10:10,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:10:10,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:10:10,602 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:10:10,602 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:10:10,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:10:10,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:10:10,603 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:10:10,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:10:10,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:10:10,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:10:10,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:10:10,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:10:10,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:10:10,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:10:10,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:10:10,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:10:10,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:10:10,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:10:10,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:10:10,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:10:10,607 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:10:10,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:10:10,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:10:10,607 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:10:10,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:10:10,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:10:10,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:10:10,608 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_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2022-11-22 02:10:10,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:10:10,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:10:10,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:10:10,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:10:10,883 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:10:10,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-11-22 02:10:13,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:10:14,625 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:10:14,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-11-22 02:10:14,663 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/data/eac74c41f/cf5146f0e79942ba8dedf4c058aa61c8/FLAGd4a5f27d0 [2022-11-22 02:10:14,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/data/eac74c41f/cf5146f0e79942ba8dedf4c058aa61c8 [2022-11-22 02:10:14,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:10:14,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:10:14,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:10:14,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:10:14,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:10:14,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:10:14" (1/1) ... [2022-11-22 02:10:14,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b3fbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:14, skipping insertion in model container [2022-11-22 02:10:14,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:10:14" (1/1) ... [2022-11-22 02:10:14,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:10:14,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:10:17,748 WARN L237 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_d67247ad-85b8-4668-9786-4184207f1305/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2022-11-22 02:10:17,758 WARN L237 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_d67247ad-85b8-4668-9786-4184207f1305/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2022-11-22 02:10:17,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:10:17,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:10:18,212 WARN L237 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_d67247ad-85b8-4668-9786-4184207f1305/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2022-11-22 02:10:18,213 WARN L237 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_d67247ad-85b8-4668-9786-4184207f1305/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2022-11-22 02:10:18,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:10:18,407 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:10:18,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18 WrapperNode [2022-11-22 02:10:18,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:10:18,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:10:18,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:10:18,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:10:18,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,768 INFO L138 Inliner]: procedures = 434, calls = 2034, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 5077 [2022-11-22 02:10:18,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:10:18,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:10:18,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:10:18,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:10:18,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:18,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:19,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:19,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:19,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:10:19,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:10:19,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:10:19,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:10:19,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (1/1) ... [2022-11-22 02:10:19,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:10:19,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:10:19,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:10:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:10:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 02:10:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 02:10:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:10:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:10:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 02:10:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 02:10:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-22 02:10:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-22 02:10:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:10:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:10:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:10:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:10:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2022-11-22 02:10:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2022-11-22 02:10:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2022-11-22 02:10:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2022-11-22 02:10:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 02:10:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 02:10:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:10:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:10:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 02:10:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 02:10:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 02:10:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 02:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2022-11-22 02:10:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2022-11-22 02:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:10:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:10:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:10:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:10:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:10:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:10:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 02:10:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 02:10:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:10:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:10:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:10:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:10:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-11-22 02:10:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-11-22 02:10:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 02:10:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 02:10:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 02:10:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 02:10:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:10:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 02:10:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 02:10:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 02:10:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 02:10:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:10:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:10:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:10:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:10:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:10:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:10:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:10:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:10:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:10:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:10:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:10:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-22 02:10:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-22 02:10:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:10:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:10:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2022-11-22 02:10:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2022-11-22 02:10:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 02:10:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 02:10:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:10:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:10:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:10:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:10:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 02:10:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 02:10:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2022-11-22 02:10:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2022-11-22 02:10:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:10:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:10:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:10:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:10:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:10:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:10:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-22 02:10:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-22 02:10:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:10:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:10:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:10:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:10:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:10:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:10:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:10:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:10:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:10:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:10:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 02:10:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 02:10:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:10:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:10:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:10:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:10:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:10:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:10:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2022-11-22 02:10:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2022-11-22 02:10:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2022-11-22 02:10:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2022-11-22 02:10:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-22 02:10:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-22 02:10:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:10:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:10:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:10:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:10:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:10:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:10:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-11-22 02:10:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-11-22 02:10:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:10:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 02:10:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 02:10:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 02:10:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 02:10:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-22 02:10:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-22 02:10:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 02:10:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 02:10:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:10:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:10:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-11-22 02:10:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-11-22 02:10:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:10:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:10:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:10:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:10:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:10:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:10:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:10:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:10:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-22 02:10:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-22 02:10:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2022-11-22 02:10:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2022-11-22 02:10:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:10:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:10:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:10:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-22 02:10:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-22 02:10:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:10:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:10:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-22 02:10:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-22 02:10:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-11-22 02:10:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-11-22 02:10:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:10:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:10:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:10:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:10:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:10:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:10:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:10:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:10:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:10:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:10:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:10:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2022-11-22 02:10:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2022-11-22 02:10:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-11-22 02:10:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-11-22 02:10:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:10:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:10:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 02:10:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 02:10:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 02:10:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 02:10:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:10:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:10:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-22 02:10:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-22 02:10:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:10:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:10:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2022-11-22 02:10:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2022-11-22 02:10:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:10:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:10:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:10:20,145 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:10:20,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:10:20,585 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:10:23,860 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:10:23,984 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:10:25,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:10:25,799 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-22 02:10:25,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:10:25 BoogieIcfgContainer [2022-11-22 02:10:25,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:10:25,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:10:25,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:10:25,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:10:25,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:10:14" (1/3) ... [2022-11-22 02:10:25,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c7386f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:10:25, skipping insertion in model container [2022-11-22 02:10:25,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:10:18" (2/3) ... [2022-11-22 02:10:25,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c7386f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:10:25, skipping insertion in model container [2022-11-22 02:10:25,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:10:25" (3/3) ... [2022-11-22 02:10:25,820 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-11-22 02:10:25,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:10:25,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:10:25,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:10:25,961 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;@6e25403c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:10:25,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:10:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 1200 states, 675 states have (on average 1.2874074074074073) internal successors, (869), 697 states have internal predecessors, (869), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) [2022-11-22 02:10:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-22 02:10:26,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:26,022 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:10:26,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:26,030 INFO L85 PathProgramCache]: Analyzing trace with hash 826934842, now seen corresponding path program 1 times [2022-11-22 02:10:26,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:26,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295968897] [2022-11-22 02:10:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-11-22 02:10:26,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:26,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295968897] [2022-11-22 02:10:26,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295968897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:26,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:26,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:10:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598740584] [2022-11-22 02:10:26,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:26,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:10:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:26,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:10:26,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:10:26,963 INFO L87 Difference]: Start difference. First operand has 1200 states, 675 states have (on average 1.2874074074074073) internal successors, (869), 697 states have internal predecessors, (869), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-22 02:10:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:29,968 INFO L93 Difference]: Finished difference Result 3342 states and 4880 transitions. [2022-11-22 02:10:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:10:29,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 138 [2022-11-22 02:10:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:30,012 INFO L225 Difference]: With dead ends: 3342 [2022-11-22 02:10:30,012 INFO L226 Difference]: Without dead ends: 2105 [2022-11-22 02:10:30,030 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 [2022-11-22 02:10:30,036 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 1434 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:30,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 3295 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-22 02:10:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2022-11-22 02:10:30,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2101. [2022-11-22 02:10:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 1190 states have (on average 1.2739495798319327) internal successors, (1516), 1227 states have internal predecessors, (1516), 751 states have call successors, (751), 160 states have call predecessors, (751), 159 states have return successors, (756), 739 states have call predecessors, (756), 751 states have call successors, (756) [2022-11-22 02:10:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 3023 transitions. [2022-11-22 02:10:30,330 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 3023 transitions. Word has length 138 [2022-11-22 02:10:30,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:30,333 INFO L495 AbstractCegarLoop]: Abstraction has 2101 states and 3023 transitions. [2022-11-22 02:10:30,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-22 02:10:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 3023 transitions. [2022-11-22 02:10:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-22 02:10:30,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:30,353 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2022-11-22 02:10:30,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:10:30,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:30,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:30,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1516898148, now seen corresponding path program 1 times [2022-11-22 02:10:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:30,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775464810] [2022-11-22 02:10:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-22 02:10:31,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:31,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775464810] [2022-11-22 02:10:31,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775464810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:31,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:31,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:10:31,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377880697] [2022-11-22 02:10:31,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:31,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:10:31,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:31,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:10:31,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:10:31,406 INFO L87 Difference]: Start difference. First operand 2101 states and 3023 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:10:33,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:39,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:39,064 INFO L93 Difference]: Finished difference Result 6840 states and 9757 transitions. [2022-11-22 02:10:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:10:39,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 159 [2022-11-22 02:10:39,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:39,104 INFO L225 Difference]: With dead ends: 6840 [2022-11-22 02:10:39,104 INFO L226 Difference]: Without dead ends: 4756 [2022-11-22 02:10:39,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:10:39,116 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 3381 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 3016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:39,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3505 Valid, 4551 Invalid, 3016 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [439 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-22 02:10:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2022-11-22 02:10:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4744. [2022-11-22 02:10:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 2746 states have (on average 1.2789512017479971) internal successors, (3512), 2823 states have internal predecessors, (3512), 1599 states have call successors, (1599), 400 states have call predecessors, (1599), 398 states have return successors, (1604), 1581 states have call predecessors, (1604), 1599 states have call successors, (1604) [2022-11-22 02:10:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 6715 transitions. [2022-11-22 02:10:39,433 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 6715 transitions. Word has length 159 [2022-11-22 02:10:39,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:39,435 INFO L495 AbstractCegarLoop]: Abstraction has 4744 states and 6715 transitions. [2022-11-22 02:10:39,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:10:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 6715 transitions. [2022-11-22 02:10:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-22 02:10:39,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:39,441 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2022-11-22 02:10:39,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:10:39,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:39,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1187575910, now seen corresponding path program 1 times [2022-11-22 02:10:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:39,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837292018] [2022-11-22 02:10:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-22 02:10:39,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:39,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837292018] [2022-11-22 02:10:39,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837292018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:39,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:39,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:10:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578934413] [2022-11-22 02:10:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:39,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:10:39,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:39,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:10:39,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:10:39,825 INFO L87 Difference]: Start difference. First operand 4744 states and 6715 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:10:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:42,318 INFO L93 Difference]: Finished difference Result 12911 states and 18160 transitions. [2022-11-22 02:10:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:10:42,319 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 165 [2022-11-22 02:10:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:42,386 INFO L225 Difference]: With dead ends: 12911 [2022-11-22 02:10:42,387 INFO L226 Difference]: Without dead ends: 8184 [2022-11-22 02:10:42,417 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 [2022-11-22 02:10:42,420 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 1425 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:42,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 3197 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:10:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2022-11-22 02:10:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 8178. [2022-11-22 02:10:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8178 states, 4712 states have (on average 1.2606112054329373) internal successors, (5940), 4859 states have internal predecessors, (5940), 2741 states have call successors, (2741), 728 states have call predecessors, (2741), 724 states have return successors, (2754), 2701 states have call predecessors, (2754), 2741 states have call successors, (2754) [2022-11-22 02:10:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8178 states to 8178 states and 11435 transitions. [2022-11-22 02:10:43,037 INFO L78 Accepts]: Start accepts. Automaton has 8178 states and 11435 transitions. Word has length 165 [2022-11-22 02:10:43,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:43,039 INFO L495 AbstractCegarLoop]: Abstraction has 8178 states and 11435 transitions. [2022-11-22 02:10:43,040 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:10:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 8178 states and 11435 transitions. [2022-11-22 02:10:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-22 02:10:43,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:43,047 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 8, 8, 8, 8, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:10:43,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:10:43,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:43,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1751302979, now seen corresponding path program 1 times [2022-11-22 02:10:43,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:43,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866069321] [2022-11-22 02:10:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:43,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-22 02:10:43,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:43,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866069321] [2022-11-22 02:10:43,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866069321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:43,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:43,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:10:43,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915675634] [2022-11-22 02:10:43,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:43,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:10:43,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:43,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:10:43,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:10:43,510 INFO L87 Difference]: Start difference. First operand 8178 states and 11435 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 02:10:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:46,032 INFO L93 Difference]: Finished difference Result 18296 states and 25581 transitions. [2022-11-22 02:10:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:10:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 202 [2022-11-22 02:10:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:46,100 INFO L225 Difference]: With dead ends: 18296 [2022-11-22 02:10:46,100 INFO L226 Difference]: Without dead ends: 10135 [2022-11-22 02:10:46,141 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 [2022-11-22 02:10:46,143 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 1025 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:46,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 3663 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 02:10:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2022-11-22 02:10:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 10129. [2022-11-22 02:10:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10129 states, 5879 states have (on average 1.260588535465215) internal successors, (7411), 6059 states have internal predecessors, (7411), 3343 states have call successors, (3343), 910 states have call predecessors, (3343), 906 states have return successors, (3356), 3299 states have call predecessors, (3356), 3343 states have call successors, (3356) [2022-11-22 02:10:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10129 states to 10129 states and 14110 transitions. [2022-11-22 02:10:46,824 INFO L78 Accepts]: Start accepts. Automaton has 10129 states and 14110 transitions. Word has length 202 [2022-11-22 02:10:46,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:46,826 INFO L495 AbstractCegarLoop]: Abstraction has 10129 states and 14110 transitions. [2022-11-22 02:10:46,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 02:10:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 10129 states and 14110 transitions. [2022-11-22 02:10:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-22 02:10:46,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:46,836 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 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] [2022-11-22 02:10:46,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:10:46,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:46,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:46,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1281842351, now seen corresponding path program 1 times [2022-11-22 02:10:46,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:46,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396456955] [2022-11-22 02:10:46,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:46,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-22 02:10:47,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:47,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396456955] [2022-11-22 02:10:47,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396456955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:47,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:47,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:10:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144631103] [2022-11-22 02:10:47,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:47,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:10:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:10:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:10:47,340 INFO L87 Difference]: Start difference. First operand 10129 states and 14110 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 02:10:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:10:49,315 INFO L93 Difference]: Finished difference Result 20349 states and 28429 transitions. [2022-11-22 02:10:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:10:49,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 264 [2022-11-22 02:10:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:10:49,365 INFO L225 Difference]: With dead ends: 20349 [2022-11-22 02:10:49,365 INFO L226 Difference]: Without dead ends: 10237 [2022-11-22 02:10:49,401 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 [2022-11-22 02:10:49,402 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 4 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:10:49,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2859 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:10:49,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2022-11-22 02:10:49,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 10165. [2022-11-22 02:10:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10165 states, 5915 states have (on average 1.259002535925613) internal successors, (7447), 6095 states have internal predecessors, (7447), 3343 states have call successors, (3343), 910 states have call predecessors, (3343), 906 states have return successors, (3356), 3299 states have call predecessors, (3356), 3343 states have call successors, (3356) [2022-11-22 02:10:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10165 states to 10165 states and 14146 transitions. [2022-11-22 02:10:49,946 INFO L78 Accepts]: Start accepts. Automaton has 10165 states and 14146 transitions. Word has length 264 [2022-11-22 02:10:49,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:10:49,949 INFO L495 AbstractCegarLoop]: Abstraction has 10165 states and 14146 transitions. [2022-11-22 02:10:49,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 02:10:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 10165 states and 14146 transitions. [2022-11-22 02:10:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-22 02:10:49,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:49,958 INFO L195 NwaCegarLoop]: trace histogram [15, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 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] [2022-11-22 02:10:49,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:10:49,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1858883338, now seen corresponding path program 1 times [2022-11-22 02:10:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:49,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973752939] [2022-11-22 02:10:49,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-22 02:10:50,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:50,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973752939] [2022-11-22 02:10:50,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973752939] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:10:50,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769922224] [2022-11-22 02:10:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:50,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:10:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:10:50,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:10:50,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67247ad-85b8-4668-9786-4184207f1305/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:10:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:52,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 3609 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:10:52,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:10:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-22 02:10:52,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:10:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-22 02:10:52,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769922224] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:10:52,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [621018585] [2022-11-22 02:10:52,498 INFO L159 IcfgInterpreter]: Started Sifa with 143 locations of interest [2022-11-22 02:10:52,498 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:10:52,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:10:52,510 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:10:52,511 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:13:33,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:13:33,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:13:36,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:13:36,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:13:36,886 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:13:36,893 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:13:38,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:13:38,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:13:38,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:13:38,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:17:33,988 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 2853 for LOIs [2022-11-22 02:18:51,778 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_open with input of size 293 for LOIs [2022-11-22 02:18:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 02:18:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:52,348 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:18:52,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 29 [2022-11-22 02:18:53,345 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:18:53,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 37 [2022-11-22 02:18:53,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 02:18:54,409 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:18:54,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 277 treesize of output 275 [2022-11-22 02:18:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:54,491 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:18:54,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 235 [2022-11-22 02:18:55,817 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:18:55,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 283 treesize of output 269 [2022-11-22 02:18:55,898 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:18:55,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 253 treesize of output 251 [2022-11-22 02:18:58,522 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:18:58,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:18:58,631 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:18:58,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:00,446 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:00,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:19:00,551 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:00,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:02,831 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:02,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:19:02,927 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:02,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:04,479 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:04,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:19:04,563 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:04,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:08,621 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:08,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 909 treesize of output 907 [2022-11-22 02:19:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:08,845 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:19:08,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 937 treesize of output 923 [2022-11-22 02:19:14,311 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:14,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 971 treesize of output 957 [2022-11-22 02:19:14,541 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:14,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 941 treesize of output 939 [2022-11-22 02:19:22,872 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:22,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 971 treesize of output 957 [2022-11-22 02:19:23,081 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:23,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 941 treesize of output 939 [2022-11-22 02:19:28,143 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:28,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:19:28,253 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:28,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:29,810 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:29,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 527 treesize of output 513 [2022-11-22 02:19:29,901 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:29,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 497 treesize of output 495 [2022-11-22 02:19:30,970 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-22 02:19:30,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 277 treesize of output 275 [2022-11-22 02:19:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:31,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:19:31,052 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:19:31,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 235 [2022-11-22 02:19:32,330 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 02:19:32,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 37 [2022-11-22 02:19:32,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 02:19:32,645 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 242 for LOIs [2022-11-22 02:19:32,697 INFO L197 IcfgInterpreter]: Interpreting procedure iowrite32 with input of size 313 for LOIs [2022-11-22 02:19:32,945 INFO L197 IcfgInterpreter]: Interpreting procedure netif_device_detach with input of size 300 for LOIs [2022-11-22 02:19:33,142 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 338 for LOIs [2022-11-22 02:19:34,504 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 324 for LOIs [2022-11-22 02:19:34,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:19:34,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:19:45,841 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 242 for LOIs [2022-11-22 02:19:45,974 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 342 for LOIs [2022-11-22 02:19:46,204 INFO L197 IcfgInterpreter]: Interpreting procedure netdev_priv with input of size 294 for LOIs [2022-11-22 02:19:46,700 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:20:39,646 WARN L233 SmtUtils]: Spent 52.75s on a formula simplification that was a NOOP. DAG size: 2679 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:22:33,676 WARN L233 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 2853 DAG size of output: 2773 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)