./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7 --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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:32:39,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:32:39,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:32:39,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:32:39,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:32:39,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:32:39,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:32:39,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:32:39,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:32:39,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:32:39,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:32:39,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:32:39,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:32:39,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:32:39,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:32:39,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:32:39,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:32:39,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:32:39,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:32:39,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:32:39,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:32:39,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:32:39,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:32:39,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:32:39,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:32:39,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:32:39,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:32:39,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:32:39,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:32:39,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:32:39,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:32:39,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:32:39,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:32:39,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:32:39,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:32:39,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:32:39,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:32:39,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:32:39,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:32:39,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:32:39,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:32:39,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:32:39,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:32:39,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:32:39,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:32:39,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:32:39,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:32:39,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:32:39,632 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:32:39,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:32:39,633 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:32:39,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:32:39,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:32:39,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:32:39,635 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:32:39,635 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:32:39,635 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:32:39,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:32:39,636 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:32:39,636 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:32:39,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:32:39,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:32:39,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:32:39,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:32:39,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:32:39,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:32:39,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:32:39,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:32:39,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:32:39,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:32:39,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:32:39,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:32:39,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:32:39,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:32:39,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:32:39,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:32:39,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:32:39,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:32:39,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:32:39,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:32:39,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-25 18:32:39,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:32:39,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:32:39,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:32:39,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:32:39,922 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:32:39,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-25 18:32:39,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/data/1ad279d38/1b8d906ed4284bd78e51554cf0398339/FLAG64a60bef7 [2021-11-25 18:32:41,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:32:41,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-25 18:32:41,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/data/1ad279d38/1b8d906ed4284bd78e51554cf0398339/FLAG64a60bef7 [2021-11-25 18:32:41,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/data/1ad279d38/1b8d906ed4284bd78e51554cf0398339 [2021-11-25 18:32:41,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:32:41,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:32:41,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:32:41,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:32:41,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:32:41,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:41" (1/1) ... [2021-11-25 18:32:41,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2991f8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:41, skipping insertion in model container [2021-11-25 18:32:41,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:41" (1/1) ... [2021-11-25 18:32:41,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:32:41,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:32:47,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-25 18:32:47,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-25 18:32:47,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:32:47,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:32:47,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-25 18:32:47,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-25 18:32:47,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:32:48,309 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:32:48,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48 WrapperNode [2021-11-25 18:32:48,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:32:48,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:32:48,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:32:48,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:32:48,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:48,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:48,817 INFO L137 Inliner]: procedures = 678, calls = 3870, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9089 [2021-11-25 18:32:48,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:32:48,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:32:48,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:32:48,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:32:48,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:48,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:48,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:48,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:49,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:49,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:49,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:49,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:32:49,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:32:49,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:32:49,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:32:49,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (1/1) ... [2021-11-25 18:32:49,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:32:49,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:32:49,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:32:49,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b06cc6a-718e-4460-a51e-dc64dea2a7fa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:32:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:32:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 18:32:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 18:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-25 18:32:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-25 18:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-25 18:32:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-25 18:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 18:32:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 18:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-25 18:32:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-25 18:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-25 18:32:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-25 18:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-25 18:32:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-25 18:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:32:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-25 18:32:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-25 18:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-25 18:32:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-25 18:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-25 18:32:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-25 18:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:32:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-25 18:32:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-25 18:32:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-25 18:32:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-25 18:32:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:32:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:32:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-25 18:32:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-25 18:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:32:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-25 18:32:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-25 18:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-25 18:32:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-25 18:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-25 18:32:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-25 18:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-25 18:32:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-25 18:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-25 18:32:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-25 18:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:32:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:32:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:32:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:32:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-25 18:32:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-25 18:32:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-25 18:32:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-25 18:32:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:32:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2021-11-25 18:32:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2021-11-25 18:32:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-25 18:32:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-25 18:32:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-25 18:32:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-25 18:32:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:32:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:32:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:32:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:32:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-25 18:32:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-25 18:32:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:32:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:32:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:32:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-25 18:32:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-25 18:32:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:32:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-25 18:32:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-25 18:32:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-25 18:32:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-25 18:32:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:32:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:32:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:32:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-25 18:32:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-25 18:32:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:32:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:32:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-25 18:32:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-25 18:32:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:32:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:32:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-25 18:32:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-25 18:32:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:32:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:32:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:32:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:32:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-25 18:32:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-25 18:32:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-25 18:32:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-25 18:32:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:32:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:32:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-25 18:32:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-25 18:32:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-25 18:32:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-25 18:32:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 18:32:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 18:32:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:32:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:32:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:32:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:32:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:32:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 18:32:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 18:32:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 18:32:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 18:32:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:32:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:32:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-25 18:32:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-25 18:32:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:32:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:32:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:32:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:32:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:32:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:32:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:32:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:32:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:32:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:32:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:32:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:32:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:32:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-25 18:32:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-25 18:32:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-25 18:32:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-25 18:32:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-25 18:32:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-25 18:32:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-25 18:32:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-25 18:32:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-25 18:32:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-25 18:32:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 18:32:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 18:32:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 18:32:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 18:32:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:32:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:32:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:32:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:32:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:32:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:32:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-25 18:32:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-25 18:32:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:32:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:32:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-25 18:32:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-25 18:32:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:32:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:32:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-25 18:32:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-25 18:32:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-25 18:32:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-25 18:32:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:32:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:32:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:32:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:32:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-25 18:32:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-25 18:32:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-25 18:32:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-25 18:32:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:32:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-25 18:32:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-25 18:32:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-25 18:32:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-25 18:32:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-25 18:32:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-25 18:32:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:32:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:32:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-25 18:32:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-25 18:32:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-25 18:32:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-25 18:32:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:32:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:32:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-25 18:32:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-25 18:32:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-25 18:32:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-25 18:32:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-25 18:32:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-25 18:32:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-25 18:32:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-25 18:32:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:32:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:32:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:32:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:32:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:32:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:32:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-25 18:32:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-25 18:32:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-25 18:32:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-25 18:32:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:32:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-25 18:32:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-25 18:32:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:32:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:32:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-25 18:32:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-25 18:32:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:32:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:32:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-25 18:32:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-25 18:32:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:32:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:32:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-25 18:32:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-25 18:32:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-25 18:32:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-25 18:32:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-25 18:32:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-25 18:32:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-25 18:32:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-25 18:32:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-25 18:32:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-25 18:32:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-25 18:32:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-25 18:32:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:32:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:32:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-25 18:32:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-25 18:32:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:32:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:32:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-25 18:32:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-25 18:32:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:32:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:32:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-25 18:32:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-25 18:32:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-25 18:32:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-25 18:32:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-25 18:32:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-25 18:32:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-25 18:32:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-25 18:32:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:32:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:32:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-25 18:32:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-25 18:32:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-25 18:32:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-25 18:32:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:32:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:32:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-25 18:32:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-25 18:32:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-25 18:32:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-25 18:32:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-25 18:32:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-25 18:32:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:32:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-25 18:32:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-25 18:32:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-25 18:32:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-25 18:32:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-25 18:32:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-25 18:32:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:32:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:32:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-25 18:32:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-25 18:32:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:32:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:32:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-25 18:32:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-25 18:32:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-25 18:32:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-25 18:32:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:32:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:32:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-25 18:32:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-25 18:32:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 18:32:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 18:32:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-25 18:32:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-25 18:32:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-25 18:32:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-25 18:32:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:32:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:32:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:32:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:32:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:32:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:32:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:32:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-25 18:32:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-25 18:32:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:32:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:32:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 18:32:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 18:32:50,963 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:32:50,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:32:51,508 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:34:08,400 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:34:08,542 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:34:11,129 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:34:11,130 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-25 18:34:11,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:11 BoogieIcfgContainer [2021-11-25 18:34:11,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:34:11,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:34:11,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:34:11,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:34:11,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:32:41" (1/3) ... [2021-11-25 18:34:11,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1098bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:34:11, skipping insertion in model container [2021-11-25 18:34:11,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:48" (2/3) ... [2021-11-25 18:34:11,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1098bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:34:11, skipping insertion in model container [2021-11-25 18:34:11,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:11" (3/3) ... [2021-11-25 18:34:11,147 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-25 18:34:11,152 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:34:11,153 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:34:11,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:34:11,251 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:34:11,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:34:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2021-11-25 18:34:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-11-25 18:34:11,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:11,431 INFO L514 BasicCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:11,432 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash 470927633, now seen corresponding path program 1 times [2021-11-25 18:34:11,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:11,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785218875] [2021-11-25 18:34:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:11,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2021-11-25 18:34:13,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:13,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785218875] [2021-11-25 18:34:13,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785218875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:13,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:13,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:34:13,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808981848] [2021-11-25 18:34:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:13,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:34:13,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:13,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:34:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:13,308 INFO L87 Difference]: Start difference. First operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:15,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:21,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:22,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:22,056 INFO L93 Difference]: Finished difference Result 7139 states and 10795 transitions. [2021-11-25 18:34:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:34:22,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2021-11-25 18:34:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:22,139 INFO L225 Difference]: With dead ends: 7139 [2021-11-25 18:34:22,139 INFO L226 Difference]: Without dead ends: 4601 [2021-11-25 18:34:22,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:22,177 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 3102 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:22,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 7151 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-25 18:34:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2021-11-25 18:34:22,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4597. [2021-11-25 18:34:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4597 states, 2781 states have (on average 1.3347716648687522) internal successors, (3712), 2888 states have internal predecessors, (3712), 1536 states have call successors, (1536), 279 states have call predecessors, (1536), 279 states have return successors, (1537), 1485 states have call predecessors, (1537), 1536 states have call successors, (1537) [2021-11-25 18:34:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4597 states and 6785 transitions. [2021-11-25 18:34:22,920 INFO L78 Accepts]: Start accepts. Automaton has 4597 states and 6785 transitions. Word has length 603 [2021-11-25 18:34:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:22,927 INFO L470 AbstractCegarLoop]: Abstraction has 4597 states and 6785 transitions. [2021-11-25 18:34:22,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 6785 transitions. [2021-11-25 18:34:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-11-25 18:34:23,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:23,007 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:23,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:34:23,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:23,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1156279763, now seen corresponding path program 1 times [2021-11-25 18:34:23,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:23,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686298610] [2021-11-25 18:34:23,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:23,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:34:23,911 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:23,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686298610] [2021-11-25 18:34:23,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686298610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:23,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:23,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:34:23,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556545921] [2021-11-25 18:34:23,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:23,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:34:23,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:23,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:34:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:23,924 INFO L87 Difference]: Start difference. First operand 4597 states and 6785 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:26,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:30,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:32,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:32,093 INFO L93 Difference]: Finished difference Result 13288 states and 19612 transitions. [2021-11-25 18:34:32,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:34:32,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2021-11-25 18:34:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:32,198 INFO L225 Difference]: With dead ends: 13288 [2021-11-25 18:34:32,198 INFO L226 Difference]: Without dead ends: 8796 [2021-11-25 18:34:32,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:32,236 INFO L933 BasicCegarLoop]: 3917 mSDtfsCounter, 3243 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7061 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:32,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3243 Valid, 7061 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-25 18:34:32,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states. [2021-11-25 18:34:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8796 to 8794. [2021-11-25 18:34:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8794 states, 5335 states have (on average 1.334020618556701) internal successors, (7117), 5544 states have internal predecessors, (7117), 2901 states have call successors, (2901), 557 states have call predecessors, (2901), 557 states have return successors, (2955), 2803 states have call predecessors, (2955), 2901 states have call successors, (2955) [2021-11-25 18:34:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8794 states to 8794 states and 12973 transitions. [2021-11-25 18:34:32,835 INFO L78 Accepts]: Start accepts. Automaton has 8794 states and 12973 transitions. Word has length 617 [2021-11-25 18:34:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:32,837 INFO L470 AbstractCegarLoop]: Abstraction has 8794 states and 12973 transitions. [2021-11-25 18:34:32,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 8794 states and 12973 transitions. [2021-11-25 18:34:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-11-25 18:34:32,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:32,888 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:32,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:34:32,889 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1134776572, now seen corresponding path program 1 times [2021-11-25 18:34:32,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:32,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047399165] [2021-11-25 18:34:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:32,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:34:33,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:33,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047399165] [2021-11-25 18:34:33,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047399165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:33,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:33,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:34:33,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062371158] [2021-11-25 18:34:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:33,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:34:33,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:33,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:34:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:33,631 INFO L87 Difference]: Start difference. First operand 8794 states and 12973 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:35,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:39,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:41,910 INFO L93 Difference]: Finished difference Result 25705 states and 38003 transitions. [2021-11-25 18:34:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:34:41,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2021-11-25 18:34:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:42,112 INFO L225 Difference]: With dead ends: 25705 [2021-11-25 18:34:42,113 INFO L226 Difference]: Without dead ends: 17016 [2021-11-25 18:34:42,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:42,191 INFO L933 BasicCegarLoop]: 3978 mSDtfsCounter, 3241 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:42,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3241 Valid, 7122 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-25 18:34:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17016 states. [2021-11-25 18:34:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17016 to 17014. [2021-11-25 18:34:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 10332 states have (on average 1.3315911730545877) internal successors, (13758), 10745 states have internal predecessors, (13758), 5568 states have call successors, (5568), 1113 states have call predecessors, (5568), 1113 states have return successors, (5840), 5375 states have call predecessors, (5840), 5568 states have call successors, (5840) [2021-11-25 18:34:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 25166 transitions. [2021-11-25 18:34:43,384 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 25166 transitions. Word has length 619 [2021-11-25 18:34:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:43,386 INFO L470 AbstractCegarLoop]: Abstraction has 17014 states and 25166 transitions. [2021-11-25 18:34:43,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 25166 transitions. [2021-11-25 18:34:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-11-25 18:34:43,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:43,418 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:43,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:34:43,419 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:43,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:43,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1679606330, now seen corresponding path program 1 times [2021-11-25 18:34:43,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:43,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167261883] [2021-11-25 18:34:43,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:43,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:34:44,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:44,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167261883] [2021-11-25 18:34:44,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167261883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:44,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:44,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:34:44,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175089598] [2021-11-25 18:34:44,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:44,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:34:44,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:44,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:34:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:44,062 INFO L87 Difference]: Start difference. First operand 17014 states and 25166 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:46,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:49,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:51,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:51,988 INFO L93 Difference]: Finished difference Result 50019 states and 74198 transitions. [2021-11-25 18:34:51,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:34:51,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2021-11-25 18:34:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:52,211 INFO L225 Difference]: With dead ends: 50019 [2021-11-25 18:34:52,211 INFO L226 Difference]: Without dead ends: 33110 [2021-11-25 18:34:52,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:52,317 INFO L933 BasicCegarLoop]: 4071 mSDtfsCounter, 3239 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:52,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3239 Valid, 7215 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2021-11-25 18:34:52,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33110 states. [2021-11-25 18:34:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33110 to 33100. [2021-11-25 18:34:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33100 states, 20097 states have (on average 1.3283077076180525) internal successors, (26695), 20918 states have internal predecessors, (26695), 10777 states have call successors, (10777), 2225 states have call predecessors, (10777), 2225 states have return successors, (11668), 10393 states have call predecessors, (11668), 10777 states have call successors, (11668) [2021-11-25 18:34:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33100 states to 33100 states and 49140 transitions. [2021-11-25 18:34:55,341 INFO L78 Accepts]: Start accepts. Automaton has 33100 states and 49140 transitions. Word has length 621 [2021-11-25 18:34:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:55,346 INFO L470 AbstractCegarLoop]: Abstraction has 33100 states and 49140 transitions. [2021-11-25 18:34:55,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 33100 states and 49140 transitions. [2021-11-25 18:34:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-25 18:34:55,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:55,391 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:55,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:34:55,392 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:55,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:55,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1555724691, now seen corresponding path program 1 times [2021-11-25 18:34:55,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:34:55,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090736531] [2021-11-25 18:34:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:55,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:34:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:34:56,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:34:56,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090736531] [2021-11-25 18:34:56,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090736531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:56,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:34:56,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:34:56,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265315167] [2021-11-25 18:34:56,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:56,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:34:56,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:34:56,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:34:56,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:34:56,783 INFO L87 Difference]: Start difference. First operand 33100 states and 49140 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:34:58,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:02,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:05,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:35:05,531 INFO L93 Difference]: Finished difference Result 97587 states and 145314 transitions. [2021-11-25 18:35:05,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:35:05,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2021-11-25 18:35:05,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:35:05,963 INFO L225 Difference]: With dead ends: 97587 [2021-11-25 18:35:05,963 INFO L226 Difference]: Without dead ends: 64592 [2021-11-25 18:35:06,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:35:06,295 INFO L933 BasicCegarLoop]: 4132 mSDtfsCounter, 3242 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:35:06,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 7276 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-25 18:35:06,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64592 states. [2021-11-25 18:35:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64592 to 64590. [2021-11-25 18:35:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64590 states, 39194 states have (on average 1.3242843292340665) internal successors, (51904), 40831 states have internal predecessors, (51904), 20946 states have call successors, (20946), 4449 states have call predecessors, (20946), 4449 states have return successors, (23400), 20179 states have call predecessors, (23400), 20946 states have call successors, (23400) [2021-11-25 18:35:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64590 states to 64590 states and 96250 transitions. [2021-11-25 18:35:10,378 INFO L78 Accepts]: Start accepts. Automaton has 64590 states and 96250 transitions. Word has length 618 [2021-11-25 18:35:10,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:35:10,379 INFO L470 AbstractCegarLoop]: Abstraction has 64590 states and 96250 transitions. [2021-11-25 18:35:10,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:35:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 64590 states and 96250 transitions. [2021-11-25 18:35:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-11-25 18:35:10,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:35:10,406 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:35:10,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:35:10,406 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:35:10,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:35:10,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1074383650, now seen corresponding path program 1 times [2021-11-25 18:35:10,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:35:10,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935374161] [2021-11-25 18:35:10,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:35:10,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:35:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:35:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:35:11,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:35:11,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935374161] [2021-11-25 18:35:11,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935374161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:35:11,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:35:11,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:35:11,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933155157] [2021-11-25 18:35:11,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:35:11,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:35:11,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:35:11,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:35:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:35:11,036 INFO L87 Difference]: Start difference. First operand 64590 states and 96250 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:35:13,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:16,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:35:22,047 INFO L93 Difference]: Finished difference Result 190679 states and 284994 transitions. [2021-11-25 18:35:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:35:22,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 616 [2021-11-25 18:35:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:35:22,815 INFO L225 Difference]: With dead ends: 190679 [2021-11-25 18:35:22,815 INFO L226 Difference]: Without dead ends: 126194 [2021-11-25 18:35:23,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:35:23,098 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 3244 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7358 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:35:23,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3244 Valid, 7358 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-25 18:35:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126194 states. [2021-11-25 18:35:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126194 to 126192. [2021-11-25 18:35:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126192 states, 76507 states have (on average 1.3198400146391833) internal successors, (100977), 79776 states have internal predecessors, (100977), 40787 states have call successors, (40787), 8897 states have call predecessors, (40787), 8897 states have return successors, (46976), 39253 states have call predecessors, (46976), 40787 states have call successors, (46976) [2021-11-25 18:35:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126192 states to 126192 states and 188740 transitions. [2021-11-25 18:35:29,932 INFO L78 Accepts]: Start accepts. Automaton has 126192 states and 188740 transitions. Word has length 616 [2021-11-25 18:35:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:35:29,933 INFO L470 AbstractCegarLoop]: Abstraction has 126192 states and 188740 transitions. [2021-11-25 18:35:29,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:35:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 126192 states and 188740 transitions. [2021-11-25 18:35:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-11-25 18:35:29,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:35:29,962 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:35:29,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:35:29,963 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:35:29,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:35:29,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1778324069, now seen corresponding path program 1 times [2021-11-25 18:35:29,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:35:29,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462377084] [2021-11-25 18:35:29,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:35:29,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:35:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:35:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-25 18:35:31,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:35:31,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462377084] [2021-11-25 18:35:31,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462377084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:35:31,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:35:31,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:35:31,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241496921] [2021-11-25 18:35:31,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:35:31,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:35:31,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:35:31,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:35:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:35:31,136 INFO L87 Difference]: Start difference. First operand 126192 states and 188740 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-25 18:35:33,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:35,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []