./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc --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 955ba2d33e196282c8a8d7d6878108af44ab130aa14cf65292e3d1ed9a6c4e47 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:04:55,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:04:55,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:04:55,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:04:55,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:04:55,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:04:55,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:04:55,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:04:55,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:04:55,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:04:55,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:04:55,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:04:55,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:04:55,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:04:55,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:04:55,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:04:55,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:04:55,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:04:55,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:04:55,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:04:55,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:04:55,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:04:55,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:04:55,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:04:55,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:04:55,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:04:55,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:04:55,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:04:55,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:04:55,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:04:55,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:04:55,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:04:55,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:04:55,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:04:55,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:04:55,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:04:55,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:04:55,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:04:55,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:04:55,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:04:55,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:04:55,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:04:55,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:04:55,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:04:55,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:04:55,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:04:55,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:04:55,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:04:55,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:04:55,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:04:55,818 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:04:55,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:04:55,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:04:55,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:04:55,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:04:55,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:04:55,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:04:55,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:04:55,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:04:55,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:04:55,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:04:55,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:04:55,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:04:55,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:04:55,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:04:55,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:04:55,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:04:55,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:04:55,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:04:55,823 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:04:55,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:04:55,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:04:55,824 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_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 955ba2d33e196282c8a8d7d6878108af44ab130aa14cf65292e3d1ed9a6c4e47 [2022-11-02 21:04:56,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:04:56,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:04:56,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:04:56,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:04:56,147 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:04:56,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i [2022-11-02 21:04:56,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/data/14866ffe7/0184d19d9d0444b98ae070de5f96188a/FLAG8f17b199d [2022-11-02 21:04:57,269 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:04:57,271 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i [2022-11-02 21:04:57,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/data/14866ffe7/0184d19d9d0444b98ae070de5f96188a/FLAG8f17b199d [2022-11-02 21:04:57,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/data/14866ffe7/0184d19d9d0444b98ae070de5f96188a [2022-11-02 21:04:57,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:04:57,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:04:57,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:04:57,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:04:57,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:04:57,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:57" (1/1) ... [2022-11-02 21:04:57,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cb0406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:04:57, skipping insertion in model container [2022-11-02 21:04:57,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:04:57" (1/1) ... [2022-11-02 21:04:57,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:04:57,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:00,042 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_329b6b81-a932-401e-afa8-2e100c2a5303/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i[210062,210075] [2022-11-02 21:05:02,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:02,889 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:05:03,067 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_329b6b81-a932-401e-afa8-2e100c2a5303/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i[210062,210075] [2022-11-02 21:05:03,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:04,214 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:05:04,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04 WrapperNode [2022-11-02 21:05:04,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:04,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:04,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:05:04,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:05:04,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,656 INFO L138 Inliner]: procedures = 558, calls = 5010, calls flagged for inlining = 278, calls inlined = 217, statements flattened = 8774 [2022-11-02 21:05:04,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:04,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:05:04,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:05:04,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:05:04,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:04,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:05,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:05,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:05,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:05:05,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:05:05,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:05:05,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:05:05,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (1/1) ... [2022-11-02 21:05:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:05,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:05,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329b6b81-a932-401e-afa8-2e100c2a5303/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:05:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:05:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:05:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 21:05:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 21:05:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:05:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:05:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-11-02 21:05:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-11-02 21:05:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-11-02 21:05:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-11-02 21:05:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:05:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:05:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-11-02 21:05:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-11-02 21:05:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-11-02 21:05:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-11-02 21:05:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:05:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:05:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-11-02 21:05:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-11-02 21:05:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-11-02 21:05:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-11-02 21:05:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-11-02 21:05:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-11-02 21:05:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:05:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:05:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-02 21:05:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-02 21:05:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:05:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:05:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-11-02 21:05:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-11-02 21:05:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-02 21:05:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-02 21:05:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 21:05:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 21:05:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-11-02 21:05:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-11-02 21:05:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-02 21:05:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-02 21:05:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-02 21:05:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-02 21:05:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-02 21:05:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-02 21:05:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-02 21:05:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-02 21:05:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:05:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:05:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:05:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:05:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-11-02 21:05:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-11-02 21:05:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:05:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:05:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-02 21:05:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-11-02 21:05:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-11-02 21:05:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:05:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:05:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 21:05:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 21:05:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-11-02 21:05:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-11-02 21:05:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:05:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 21:05:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 21:05:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-02 21:05:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-02 21:05:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-11-02 21:05:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-11-02 21:05:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 21:05:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 21:05:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-02 21:05:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-02 21:05:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:05:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:05:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:05:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:05:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:05:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:05:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-11-02 21:05:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-11-02 21:05:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-02 21:05:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-02 21:05:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 21:05:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 21:05:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:05:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:05:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:05:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:05:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-02 21:05:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-02 21:05:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-11-02 21:05:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-11-02 21:05:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:05:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:05:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:05:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-11-02 21:05:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-11-02 21:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:05:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-11-02 21:05:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-11-02 21:05:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-02 21:05:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-02 21:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-02 21:05:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-02 21:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 21:05:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 21:05:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-02 21:05:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-02 21:05:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 21:05:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 21:05:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-11-02 21:05:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-11-02 21:05:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:05:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:05:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-02 21:05:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-02 21:05:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-02 21:05:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-02 21:05:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:05:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-11-02 21:05:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-11-02 21:05:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-02 21:05:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-02 21:05:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:05:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-11-02 21:05:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-11-02 21:05:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-11-02 21:05:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-11-02 21:05:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-11-02 21:05:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-11-02 21:05:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-11-02 21:05:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-11-02 21:05:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:05:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:05:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:05:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:05:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-02 21:05:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-02 21:05:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-11-02 21:05:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-11-02 21:05:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 21:05:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 21:05:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-11-02 21:05:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-11-02 21:05:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-11-02 21:05:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-11-02 21:05:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-02 21:05:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-02 21:05:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-11-02 21:05:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-11-02 21:05:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 21:05:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 21:05:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-02 21:05:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-02 21:05:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:05:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:05:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-11-02 21:05:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-11-02 21:05:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-11-02 21:05:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-11-02 21:05:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-11-02 21:05:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-11-02 21:05:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 21:05:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 21:05:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:05:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:05:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-11-02 21:05:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-11-02 21:05:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:05:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:05:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-11-02 21:05:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-11-02 21:05:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 21:05:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 21:05:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 21:05:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 21:05:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-11-02 21:05:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-11-02 21:05:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-02 21:05:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 21:05:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:05:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-11-02 21:05:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-11-02 21:05:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:05:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:05:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-02 21:05:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-02 21:05:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-02 21:05:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-02 21:05:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:05:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:05:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-11-02 21:05:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-11-02 21:05:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:05:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:05:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-11-02 21:05:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-11-02 21:05:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-11-02 21:05:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-11-02 21:05:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 21:05:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-11-02 21:05:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-11-02 21:05:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-02 21:05:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-02 21:05:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 21:05:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 21:05:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-11-02 21:05:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-11-02 21:05:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-11-02 21:05:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-11-02 21:05:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-11-02 21:05:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-11-02 21:05:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-02 21:05:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-02 21:05:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-11-02 21:05:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-11-02 21:05:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-02 21:05:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-02 21:05:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-11-02 21:05:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-11-02 21:05:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:05:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:05:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 21:05:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 21:05:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-02 21:05:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-02 21:05:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 21:05:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 21:05:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:05:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:05:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-02 21:05:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-02 21:05:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 21:05:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 21:05:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:05:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:05:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 21:05:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 21:05:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-11-02 21:05:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-11-02 21:05:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-02 21:05:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-02 21:05:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-02 21:05:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-02 21:05:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-11-02 21:05:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-11-02 21:05:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-11-02 21:05:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-11-02 21:05:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-11-02 21:05:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-11-02 21:05:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 21:05:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 21:05:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-02 21:05:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-02 21:05:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:05:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:05:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:05:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-02 21:05:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-11-02 21:05:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 21:05:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 21:05:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-11-02 21:05:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-11-02 21:05:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 21:05:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 21:05:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-02 21:05:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-02 21:05:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 21:05:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 21:05:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-02 21:05:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-02 21:05:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-02 21:05:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-11-02 21:05:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-02 21:05:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:05:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:05:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:05:05,327 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-02 21:05:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-02 21:05:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-11-02 21:05:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-11-02 21:05:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-02 21:05:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-02 21:05:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:05:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:05:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-11-02 21:05:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-11-02 21:05:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:05:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:05:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 21:05:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 21:05:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-11-02 21:05:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-11-02 21:05:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 21:05:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 21:05:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-02 21:05:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-02 21:05:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 21:05:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 21:05:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-02 21:05:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-02 21:05:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-11-02 21:05:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-11-02 21:05:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-02 21:05:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-02 21:05:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:05:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:05:05,330 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-11-02 21:05:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-11-02 21:05:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:05:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:05:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-02 21:05:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-02 21:05:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-02 21:05:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-02 21:05:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:05:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:05:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-02 21:05:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-11-02 21:05:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-11-02 21:05:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-11-02 21:05:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-02 21:05:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-02 21:05:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 21:05:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 21:05:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 21:05:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-11-02 21:05:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-11-02 21:05:06,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:05:06,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:06,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:05:30,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:30,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:30,195 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:05:30,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:30 BoogieIcfgContainer [2022-11-02 21:05:30,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:30,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:30,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:30,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:30,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:04:57" (1/3) ... [2022-11-02 21:05:30,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e01a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:30, skipping insertion in model container [2022-11-02 21:05:30,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:04" (2/3) ... [2022-11-02 21:05:30,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e01a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:30, skipping insertion in model container [2022-11-02 21:05:30,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:30" (3/3) ... [2022-11-02 21:05:30,220 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--marvell--sky2.ko-entry_point.cil.out.i [2022-11-02 21:05:30,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:30,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:05:30,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:30,391 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;@897bbb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:30,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:05:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 3261 states, 2193 states have (on average 1.349749202006384) internal successors, (2960), 2281 states have internal predecessors, (2960), 891 states have call successors, (891), 177 states have call predecessors, (891), 176 states have return successors, (879), 858 states have call predecessors, (879), 879 states have call successors, (879) [2022-11-02 21:05:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 21:05:30,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:30,434 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:30,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:30,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1421960829, now seen corresponding path program 1 times [2022-11-02 21:05:30,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:30,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895784055] [2022-11-02 21:05:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:05:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:05:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:05:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:05:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:05:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:05:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:05:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:05:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:05:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:05:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:05:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-02 21:05:32,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:32,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895784055] [2022-11-02 21:05:32,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895784055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:32,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:32,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:05:32,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064811590] [2022-11-02 21:05:32,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:32,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:05:32,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:05:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:32,383 INFO L87 Difference]: Start difference. First operand has 3261 states, 2193 states have (on average 1.349749202006384) internal successors, (2960), 2281 states have internal predecessors, (2960), 891 states have call successors, (891), 177 states have call predecessors, (891), 176 states have return successors, (879), 858 states have call predecessors, (879), 879 states have call successors, (879) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-02 21:05:44,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:46,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:49,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:57,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:59,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:09,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:11,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:14,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:16,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:06:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:16,764 INFO L93 Difference]: Finished difference Result 10662 states and 15779 transitions. [2022-11-02 21:06:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:06:16,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2022-11-02 21:06:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:16,841 INFO L225 Difference]: With dead ends: 10662 [2022-11-02 21:06:16,841 INFO L226 Difference]: Without dead ends: 7356 [2022-11-02 21:06:16,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:06:16,865 INFO L413 NwaCegarLoop]: 4956 mSDtfsCounter, 8701 mSDsluCounter, 5982 mSDsCounter, 0 mSdLazyCounter, 7066 mSolverCounterSat, 6247 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9274 SdHoareTripleChecker+Valid, 10938 SdHoareTripleChecker+Invalid, 13322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6247 IncrementalHoareTripleChecker+Valid, 7066 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:16,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9274 Valid, 10938 Invalid, 13322 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6247 Valid, 7066 Invalid, 9 Unknown, 0 Unchecked, 42.9s Time] [2022-11-02 21:06:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2022-11-02 21:06:17,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 6366. [2022-11-02 21:06:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 4292 states have (on average 1.3417986952469712) internal successors, (5759), 4440 states have internal predecessors, (5759), 1724 states have call successors, (1724), 350 states have call predecessors, (1724), 349 states have return successors, (1723), 1681 states have call predecessors, (1723), 1723 states have call successors, (1723) [2022-11-02 21:06:17,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 9206 transitions. [2022-11-02 21:06:17,469 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 9206 transitions. Word has length 110 [2022-11-02 21:06:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:17,470 INFO L495 AbstractCegarLoop]: Abstraction has 6366 states and 9206 transitions. [2022-11-02 21:06:17,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-02 21:06:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 9206 transitions. [2022-11-02 21:06:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-02 21:06:17,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:17,478 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:17,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:06:17,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:17,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:17,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2011755148, now seen corresponding path program 1 times [2022-11-02 21:06:17,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:17,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728891599] [2022-11-02 21:06:17,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:06:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:06:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:06:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:06:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:06:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:06:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:06:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:06:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:06:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:06:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:06:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:06:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:06:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:06:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-02 21:06:18,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:18,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728891599] [2022-11-02 21:06:18,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728891599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:18,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:18,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 21:06:18,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985869734] [2022-11-02 21:06:18,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:18,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:06:18,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:18,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:06:18,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:06:18,836 INFO L87 Difference]: Start difference. First operand 6366 states and 9206 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 21:06:38,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:40,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:43,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:03,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:07:06,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:07:08,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:07:10,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:07:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:12,902 INFO L93 Difference]: Finished difference Result 15087 states and 22349 transitions. [2022-11-02 21:07:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:07:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2022-11-02 21:07:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:13,027 INFO L225 Difference]: With dead ends: 15087 [2022-11-02 21:07:13,027 INFO L226 Difference]: Without dead ends: 15074 [2022-11-02 21:07:13,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:07:13,046 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 9269 mSDsluCounter, 12475 mSDsCounter, 0 mSdLazyCounter, 16535 mSolverCounterSat, 6853 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9941 SdHoareTripleChecker+Valid, 17233 SdHoareTripleChecker+Invalid, 23395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6853 IncrementalHoareTripleChecker+Valid, 16535 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:13,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9941 Valid, 17233 Invalid, 23395 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6853 Valid, 16535 Invalid, 7 Unknown, 0 Unchecked, 52.7s Time] [2022-11-02 21:07:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15074 states. [2022-11-02 21:07:14,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15074 to 12716. [2022-11-02 21:07:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12716 states, 8577 states have (on average 1.3424274221755859) internal successors, (11514), 8877 states have internal predecessors, (11514), 3432 states have call successors, (3432), 699 states have call predecessors, (3432), 706 states have return successors, (3467), 3351 states have call predecessors, (3467), 3431 states have call successors, (3467) [2022-11-02 21:07:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12716 states to 12716 states and 18413 transitions. [2022-11-02 21:07:14,134 INFO L78 Accepts]: Start accepts. Automaton has 12716 states and 18413 transitions. Word has length 119 [2022-11-02 21:07:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:14,135 INFO L495 AbstractCegarLoop]: Abstraction has 12716 states and 18413 transitions. [2022-11-02 21:07:14,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 21:07:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12716 states and 18413 transitions. [2022-11-02 21:07:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-02 21:07:14,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:14,185 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:14,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:07:14,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1198048913, now seen corresponding path program 1 times [2022-11-02 21:07:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:14,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663449801] [2022-11-02 21:07:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:07:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:07:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:07:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:07:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:07:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:07:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:07:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:07:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:07:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:07:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:07:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:07:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:07:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:07:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-02 21:07:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 21:07:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 21:07:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 21:07:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 21:07:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 21:07:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 21:07:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:07:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-02 21:07:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:07:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:07:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:07:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 21:07:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 21:07:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:07:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:07:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 21:07:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 21:07:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-02 21:07:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-02 21:07:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-11-02 21:07:15,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:15,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663449801] [2022-11-02 21:07:15,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663449801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:15,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:15,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 21:07:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184565209] [2022-11-02 21:07:15,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:15,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 21:07:15,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:15,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 21:07:15,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:07:15,613 INFO L87 Difference]: Start difference. First operand 12716 states and 18413 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 21:07:33,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:35,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:37,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:39,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:43,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:46,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:48,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:07:50,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:05,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:08:07,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:08:10,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 21:08:13,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:13,063 INFO L93 Difference]: Finished difference Result 38422 states and 56453 transitions. [2022-11-02 21:08:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:08:13,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 343 [2022-11-02 21:08:13,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:13,221 INFO L225 Difference]: With dead ends: 38422 [2022-11-02 21:08:13,221 INFO L226 Difference]: Without dead ends: 25739 [2022-11-02 21:08:13,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:08:13,293 INFO L413 NwaCegarLoop]: 5003 mSDtfsCounter, 10805 mSDsluCounter, 8013 mSDsCounter, 0 mSdLazyCounter, 12067 mSolverCounterSat, 9943 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11325 SdHoareTripleChecker+Valid, 13016 SdHoareTripleChecker+Invalid, 22021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9943 IncrementalHoareTripleChecker+Valid, 12067 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:13,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11325 Valid, 13016 Invalid, 22021 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9943 Valid, 12067 Invalid, 11 Unknown, 0 Unchecked, 55.4s Time] [2022-11-02 21:08:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25739 states. [2022-11-02 21:08:15,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25739 to 21590. [2022-11-02 21:08:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21590 states, 14442 states have (on average 1.3412269768730092) internal successors, (19370), 14983 states have internal predecessors, (19370), 5899 states have call successors, (5899), 1241 states have call predecessors, (5899), 1248 states have return successors, (5942), 5757 states have call predecessors, (5942), 5898 states have call successors, (5942) [2022-11-02 21:08:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21590 states to 21590 states and 31211 transitions. [2022-11-02 21:08:15,222 INFO L78 Accepts]: Start accepts. Automaton has 21590 states and 31211 transitions. Word has length 343 [2022-11-02 21:08:15,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:15,222 INFO L495 AbstractCegarLoop]: Abstraction has 21590 states and 31211 transitions. [2022-11-02 21:08:15,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 21:08:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 21590 states and 31211 transitions. [2022-11-02 21:08:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-02 21:08:15,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:15,289 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:15,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:08:15,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1973830065, now seen corresponding path program 1 times [2022-11-02 21:08:15,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:15,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928008225] [2022-11-02 21:08:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:08:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:08:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:08:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 21:08:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:08:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:08:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:08:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:08:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:08:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:08:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 21:08:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:08:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 21:08:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:08:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 21:08:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:08:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:08:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:08:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 21:08:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:08:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 21:08:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:08:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 21:08:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 21:08:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 21:08:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-02 21:08:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 21:08:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-02 21:08:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:08:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 21:08:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 21:08:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-02 21:08:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:08:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 21:08:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:08:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:08:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:08:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 21:08:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 21:08:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:08:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 21:08:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 21:08:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-02 21:08:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-11-02 21:08:16,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:16,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928008225] [2022-11-02 21:08:16,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928008225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:16,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:16,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 21:08:16,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898487960] [2022-11-02 21:08:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:16,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 21:08:16,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:16,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 21:08:16,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:08:16,763 INFO L87 Difference]: Start difference. First operand 21590 states and 31211 transitions. Second operand has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 3 states have internal predecessors, (227), 2 states have call successors, (52), 8 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-02 21:08:30,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []