./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:37:19,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:37:19,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:37:19,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:37:19,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:37:19,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:37:19,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:37:19,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:37:19,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:37:19,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:37:19,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:37:19,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:37:19,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:37:19,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:37:19,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:37:19,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:37:19,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:37:19,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:37:19,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:37:19,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:37:19,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:37:19,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:37:19,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:37:19,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:37:19,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:37:19,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:37:19,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:37:19,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:37:19,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:37:19,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:37:19,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:37:19,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:37:19,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:37:19,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:37:19,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:37:19,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:37:19,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:37:19,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:37:19,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:37:19,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:37:19,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:37:19,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:37:19,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:37:19,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:37:19,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:37:19,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:37:19,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:37:19,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:37:19,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:37:19,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:37:19,764 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:37:19,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:37:19,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:37:19,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:37:19,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:37:19,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:37:19,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:37:19,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:37:19,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:37:19,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:37:19,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:37:19,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:37:19,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:37:19,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:19,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:37:19,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:37:19,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:37:19,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:37:19,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:37:19,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:37:19,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:37:19,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:37:19,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a085124b4007f801fe01aa89940f8a8fd2be0f47b82fa59b5624e0bb2a9cdb0a [2022-10-17 10:37:20,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:37:20,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:37:20,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:37:20,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:37:20,142 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:37:20,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:37:20,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/data/9733c9e86/200c6bd387ef453695f96c47fc6abfb7/FLAG2cb79d544 [2022-10-17 10:37:21,240 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:37:21,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:37:21,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/data/9733c9e86/200c6bd387ef453695f96c47fc6abfb7/FLAG2cb79d544 [2022-10-17 10:37:21,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/data/9733c9e86/200c6bd387ef453695f96c47fc6abfb7 [2022-10-17 10:37:21,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:37:21,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:37:21,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:21,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:37:21,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:37:21,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:21" (1/1) ... [2022-10-17 10:37:21,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3720f548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:21, skipping insertion in model container [2022-10-17 10:37:21,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:21" (1/1) ... [2022-10-17 10:37:21,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:37:21,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:37:24,604 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_49b59a0b-39e5-46a4-be1b-924f418e7ddd/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2022-10-17 10:37:24,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:24,706 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:37:25,226 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_49b59a0b-39e5-46a4-be1b-924f418e7ddd/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[338465,338478] [2022-10-17 10:37:25,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:25,510 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:37:25,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25 WrapperNode [2022-10-17 10:37:25,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:25,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:25,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:37:25,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:37:25,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:25,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:25,895 INFO L138 Inliner]: procedures = 396, calls = 1846, calls flagged for inlining = 235, calls inlined = 222, statements flattened = 5742 [2022-10-17 10:37:25,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:25,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:37:25,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:37:25,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:37:25,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:25,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:25,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:25,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:37:26,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:37:26,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:37:26,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:37:26,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (1/1) ... [2022-10-17 10:37:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:26,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:37:26,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:37:26,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b59a0b-39e5-46a4-be1b-924f418e7ddd/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:37:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:37:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:37:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:37:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:37:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:37:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:37:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:37:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:37:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2022-10-17 10:37:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2022-10-17 10:37:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2022-10-17 10:37:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2022-10-17 10:37:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:37:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:37:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2022-10-17 10:37:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2022-10-17 10:37:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-10-17 10:37:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-10-17 10:37:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:37:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:37:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:37:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:37:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:37:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:37:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:37:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:37:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:37:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:37:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:37:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:37:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2022-10-17 10:37:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2022-10-17 10:37:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2022-10-17 10:37:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2022-10-17 10:37:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-10-17 10:37:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-10-17 10:37:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:37:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:37:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:37:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:37:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:37:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2022-10-17 10:37:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2022-10-17 10:37:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2022-10-17 10:37:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2022-10-17 10:37:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:37:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:37:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:37:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:37:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:37:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:37:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:37:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2022-10-17 10:37:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2022-10-17 10:37:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:37:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:37:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:37:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2022-10-17 10:37:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2022-10-17 10:37:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:37:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:37:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:37:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:37:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-10-17 10:37:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:37:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:37:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2022-10-17 10:37:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2022-10-17 10:37:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2022-10-17 10:37:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2022-10-17 10:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2022-10-17 10:37:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2022-10-17 10:37:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2022-10-17 10:37:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2022-10-17 10:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 10:37:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 10:37:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:37:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:37:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:37:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:37:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2022-10-17 10:37:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2022-10-17 10:37:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2022-10-17 10:37:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2022-10-17 10:37:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 10:37:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 10:37:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:37:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:37:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:37:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:37:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-10-17 10:37:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-10-17 10:37:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:37:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:37:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-10-17 10:37:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-10-17 10:37:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:37:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:37:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:37:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:37:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-10-17 10:37:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-10-17 10:37:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:37:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:37:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:37:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:37:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:37:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:37:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2022-10-17 10:37:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2022-10-17 10:37:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:37:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:37:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-17 10:37:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-17 10:37:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:37:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:37:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:37:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:37:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2022-10-17 10:37:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2022-10-17 10:37:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2022-10-17 10:37:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2022-10-17 10:37:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-17 10:37:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-17 10:37:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2022-10-17 10:37:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2022-10-17 10:37:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2022-10-17 10:37:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2022-10-17 10:37:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2022-10-17 10:37:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2022-10-17 10:37:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2022-10-17 10:37:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2022-10-17 10:37:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2022-10-17 10:37:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2022-10-17 10:37:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-10-17 10:37:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-10-17 10:37:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:37:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:37:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:37:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:37:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-17 10:37:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-17 10:37:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2022-10-17 10:37:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2022-10-17 10:37:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:37:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:37:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:37:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:37:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2022-10-17 10:37:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2022-10-17 10:37:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2022-10-17 10:37:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2022-10-17 10:37:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2022-10-17 10:37:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2022-10-17 10:37:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2022-10-17 10:37:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2022-10-17 10:37:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:37:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:37:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:37:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2022-10-17 10:37:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2022-10-17 10:37:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:37:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:37:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2022-10-17 10:37:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2022-10-17 10:37:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2022-10-17 10:37:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2022-10-17 10:37:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:37:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:37:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:37:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:37:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2022-10-17 10:37:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2022-10-17 10:37:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2022-10-17 10:37:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2022-10-17 10:37:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:37:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:37:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2022-10-17 10:37:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2022-10-17 10:37:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:37:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:37:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:37:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:37:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-17 10:37:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-17 10:37:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:37:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:37:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2022-10-17 10:37:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2022-10-17 10:37:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:37:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2022-10-17 10:37:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2022-10-17 10:37:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:37:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:37:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:37:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:37:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:37:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:37:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2022-10-17 10:37:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2022-10-17 10:37:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2022-10-17 10:37:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2022-10-17 10:37:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-17 10:37:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-17 10:37:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2022-10-17 10:37:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2022-10-17 10:37:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2022-10-17 10:37:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2022-10-17 10:37:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:37:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:37:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2022-10-17 10:37:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2022-10-17 10:37:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-10-17 10:37:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-10-17 10:37:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:37:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:37:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:37:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-17 10:37:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-17 10:37:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:37:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:37:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:37:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:37:27,446 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:37:27,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:37:27,918 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:37:31,547 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:37:31,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:37:31,582 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:37:31,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:31 BoogieIcfgContainer [2022-10-17 10:37:31,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:37:31,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:37:31,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:37:31,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:37:31,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:37:21" (1/3) ... [2022-10-17 10:37:31,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781c341e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:31, skipping insertion in model container [2022-10-17 10:37:31,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:25" (2/3) ... [2022-10-17 10:37:31,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781c341e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:31, skipping insertion in model container [2022-10-17 10:37:31,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:31" (3/3) ... [2022-10-17 10:37:31,609 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-10-17 10:37:31,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:37:31,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:37:31,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:37:31,789 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@554f39d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:37:31,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:37:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 2456 states, 1658 states have (on average 1.3299155609167672) internal successors, (2205), 1711 states have internal predecessors, (2205), 691 states have call successors, (691), 108 states have call predecessors, (691), 107 states have return successors, (683), 670 states have call predecessors, (683), 683 states have call successors, (683) [2022-10-17 10:37:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 10:37:31,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:31,817 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:31,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:31,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1843472669, now seen corresponding path program 1 times [2022-10-17 10:37:31,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:31,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074144191] [2022-10-17 10:37:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:31,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:37:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:37:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:37:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:37:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:37:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:37:33,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:33,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074144191] [2022-10-17 10:37:33,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074144191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:33,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:33,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:37:33,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034778342] [2022-10-17 10:37:33,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:33,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:37:33,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:33,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:37:33,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:37:33,074 INFO L87 Difference]: Start difference. First operand has 2456 states, 1658 states have (on average 1.3299155609167672) internal successors, (2205), 1711 states have internal predecessors, (2205), 691 states have call successors, (691), 108 states have call predecessors, (691), 107 states have return successors, (683), 670 states have call predecessors, (683), 683 states have call successors, (683) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:37:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:33,557 INFO L93 Difference]: Finished difference Result 4885 states and 7351 transitions. [2022-10-17 10:37:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:37:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-10-17 10:37:33,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:33,616 INFO L225 Difference]: With dead ends: 4885 [2022-10-17 10:37:33,617 INFO L226 Difference]: Without dead ends: 2436 [2022-10-17 10:37:33,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:37:33,664 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 3415 mSDsluCounter, 6849 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 10275 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:33,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3417 Valid, 10275 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:37:33,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-10-17 10:37:33,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2022-10-17 10:37:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1648 states have (on average 1.2439320388349515) internal successors, (2050), 1694 states have internal predecessors, (2050), 681 states have call successors, (681), 108 states have call predecessors, (681), 106 states have return successors, (678), 665 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-17 10:37:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3409 transitions. [2022-10-17 10:37:33,971 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3409 transitions. Word has length 48 [2022-10-17 10:37:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:33,973 INFO L495 AbstractCegarLoop]: Abstraction has 2436 states and 3409 transitions. [2022-10-17 10:37:33,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:37:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3409 transitions. [2022-10-17 10:37:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 10:37:33,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:33,977 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:33,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:37:33,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:33,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2135049724, now seen corresponding path program 1 times [2022-10-17 10:37:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:33,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089211256] [2022-10-17 10:37:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:37:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:37:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:37:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:37:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:37:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:37:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:37:34,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:34,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089211256] [2022-10-17 10:37:34,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089211256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:34,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:34,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:37:34,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655658529] [2022-10-17 10:37:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:34,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:37:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:34,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:37:34,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:37:34,639 INFO L87 Difference]: Start difference. First operand 2436 states and 3409 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:37:35,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:35,053 INFO L93 Difference]: Finished difference Result 4853 states and 6839 transitions. [2022-10-17 10:37:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:37:35,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-10-17 10:37:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:35,105 INFO L225 Difference]: With dead ends: 4853 [2022-10-17 10:37:35,105 INFO L226 Difference]: Without dead ends: 4754 [2022-10-17 10:37:35,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:37:35,113 INFO L413 NwaCegarLoop]: 5147 mSDtfsCounter, 3411 mSDsluCounter, 13688 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 18835 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:35,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 18835 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:37:35,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2022-10-17 10:37:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4754. [2022-10-17 10:37:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 3219 states have (on average 1.2454178316247282) internal successors, (4009), 3305 states have internal predecessors, (4009), 1323 states have call successors, (1323), 213 states have call predecessors, (1323), 211 states have return successors, (1368), 1296 states have call predecessors, (1368), 1320 states have call successors, (1368) [2022-10-17 10:37:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 6700 transitions. [2022-10-17 10:37:35,591 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 6700 transitions. Word has length 53 [2022-10-17 10:37:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:35,591 INFO L495 AbstractCegarLoop]: Abstraction has 4754 states and 6700 transitions. [2022-10-17 10:37:35,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:37:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 6700 transitions. [2022-10-17 10:37:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-10-17 10:37:35,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:35,640 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:35,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:37:35,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:35,641 INFO L85 PathProgramCache]: Analyzing trace with hash 970042127, now seen corresponding path program 1 times [2022-10-17 10:37:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:35,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888492588] [2022-10-17 10:37:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:35,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:37:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:37:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:37:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:37:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:37:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:37:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-17 10:37:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:37:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:37:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:37:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:37:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:37:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-17 10:37:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:37:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-17 10:37:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:37:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-17 10:37:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:37:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:37:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:37:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:37:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-17 10:37:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:37:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-17 10:37:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-17 10:37:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-17 10:37:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-17 10:37:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-17 10:37:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:37:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:37:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-17 10:37:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:37:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-17 10:37:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-17 10:37:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-10-17 10:37:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-10-17 10:37:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-10-17 10:37:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-10-17 10:37:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-10-17 10:37:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-10-17 10:37:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-10-17 10:37:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-10-17 10:37:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-10-17 10:37:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-10-17 10:37:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2022-10-17 10:37:38,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:38,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888492588] [2022-10-17 10:37:38,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888492588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:38,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:38,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 10:37:38,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228256364] [2022-10-17 10:37:38,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:38,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-17 10:37:38,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-17 10:37:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:37:38,397 INFO L87 Difference]: Start difference. First operand 4754 states and 6700 transitions. Second operand has 12 states, 12 states have (on average 13.5) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55)