./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa --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 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:54:27,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:54:27,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:54:27,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:54:27,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:54:27,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:54:27,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:54:27,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:54:27,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:54:27,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:54:27,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:54:27,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:54:27,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:54:27,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:54:27,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:54:27,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:54:27,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:54:27,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:54:27,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:54:27,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:54:27,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:54:27,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:54:27,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:54:27,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:54:27,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:54:27,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:54:27,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:54:27,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:54:27,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:54:27,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:54:27,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:54:27,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:54:27,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:54:27,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:54:27,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:54:27,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:54:27,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:54:27,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:54:27,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:54:27,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:54:27,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:54:27,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:54:27,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:54:27,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:54:27,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:54:27,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:54:27,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:54:27,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:54:27,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:54:27,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:54:27,872 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:54:27,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:54:27,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:54:27,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:54:27,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:54:27,874 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:54:27,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:54:27,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:54:27,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:54:27,875 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_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 [2021-12-07 00:54:28,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:54:28,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:54:28,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:54:28,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:54:28,079 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:54:28,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-07 00:54:28,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/data/598d6d4cb/37e6bd6c4e794a698b60f5799097eeb6/FLAG9cd218c49 [2021-12-07 00:54:28,853 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:54:28,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-07 00:54:28,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/data/598d6d4cb/37e6bd6c4e794a698b60f5799097eeb6/FLAG9cd218c49 [2021-12-07 00:54:29,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/data/598d6d4cb/37e6bd6c4e794a698b60f5799097eeb6 [2021-12-07 00:54:29,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:54:29,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:54:29,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:54:29,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:54:29,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:54:29,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:29" (1/1) ... [2021-12-07 00:54:29,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5fcd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:29, skipping insertion in model container [2021-12-07 00:54:29,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:54:29" (1/1) ... [2021-12-07 00:54:29,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:54:29,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:54:31,613 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_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2021-12-07 00:54:31,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:54:31,715 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:54:32,067 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_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2021-12-07 00:54:32,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:54:32,203 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:54:32,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32 WrapperNode [2021-12-07 00:54:32,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:54:32,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:54:32,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:54:32,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:54:32,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,499 INFO L137 Inliner]: procedures = 405, calls = 3582, calls flagged for inlining = 230, calls inlined = 208, statements flattened = 10912 [2021-12-07 00:54:32,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:54:32,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:54:32,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:54:32,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:54:32,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:54:32,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:54:32,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:54:32,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:54:32,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (1/1) ... [2021-12-07 00:54:32,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:54:32,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:32,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:32,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61ebe8-f091-44e1-b8b0-02a15a2f514c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:54:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 00:54:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 00:54:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-07 00:54:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_link_chg_task [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_link_chg_task [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 00:54:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:54:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:54:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-07 00:54:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 00:54:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-07 00:54:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:54:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_dev_task [2021-12-07 00:54:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_dev_task [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:54:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 00:54:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:54:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 00:54:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2021-12-07 00:54:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:54:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 00:54:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 00:54:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:54:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-07 00:54:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:54:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2021-12-07 00:54:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:54:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:54:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:54:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 00:54:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:54:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2021-12-07 00:54:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-07 00:54:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2021-12-07 00:54:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 00:54:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 00:54:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 00:54:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 00:54:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2021-12-07 00:54:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2021-12-07 00:54:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:54:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:54:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:54:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:54:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:54:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:54:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2021-12-07 00:54:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2021-12-07 00:54:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:54:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 00:54:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:54:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2021-12-07 00:54:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2021-12-07 00:54:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2021-12-07 00:54:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-07 00:54:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-07 00:54:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2021-12-07 00:54:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-07 00:54:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2021-12-07 00:54:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 00:54:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2021-12-07 00:54:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-07 00:54:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-07 00:54:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 00:54:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 00:54:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-07 00:54:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-07 00:54:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2021-12-07 00:54:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2021-12-07 00:54:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:54:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2021-12-07 00:54:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2021-12-07 00:54:33,541 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:54:33,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:54:33,642 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:05:42,397 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:05:42,426 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:05:42,426 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 01:05:42,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:05:42 BoogieIcfgContainer [2021-12-07 01:05:42,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:05:42,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:05:42,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:05:42,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:05:42,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:54:29" (1/3) ... [2021-12-07 01:05:42,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16131098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:05:42, skipping insertion in model container [2021-12-07 01:05:42,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:54:32" (2/3) ... [2021-12-07 01:05:42,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16131098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:05:42, skipping insertion in model container [2021-12-07 01:05:42,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:05:42" (3/3) ... [2021-12-07 01:05:42,437 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-07 01:05:42,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:05:42,441 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:05:42,490 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:05:42,496 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:05:42,496 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:05:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 5056 states, 4386 states have (on average 1.4450524395804833) internal successors, (6338), 4416 states have internal predecessors, (6338), 559 states have call successors, (559), 110 states have call predecessors, (559), 109 states have return successors, (548), 545 states have call predecessors, (548), 548 states have call successors, (548) [2021-12-07 01:05:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-07 01:05:42,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:05:42,591 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:05:42,592 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:05:42,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:05:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash 609472826, now seen corresponding path program 1 times [2021-12-07 01:05:42,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:05:42,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431162437] [2021-12-07 01:05:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:05:42,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:05:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:05:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:05:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:05:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:05:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:05:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:05:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:05:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:05:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:05:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:05:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:05:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 01:05:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:05:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 01:05:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:05:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-07 01:05:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 01:05:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:05:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:05:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-07 01:05:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-07 01:05:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-12-07 01:05:44,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:05:44,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431162437] [2021-12-07 01:05:44,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431162437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:05:44,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:05:44,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:05:44,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417094071] [2021-12-07 01:05:44,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:05:44,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:05:44,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:05:44,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:05:44,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:05:44,570 INFO L87 Difference]: Start difference. First operand has 5056 states, 4386 states have (on average 1.4450524395804833) internal successors, (6338), 4416 states have internal predecessors, (6338), 559 states have call successors, (559), 110 states have call predecessors, (559), 109 states have return successors, (548), 545 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:05:46,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:05:49,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:05:52,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:05:54,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:05:57,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:00,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:02,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:05,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:08,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:10,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:16,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:18,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:20,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:22,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:27,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:29,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:31,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:33,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:36,948 INFO L93 Difference]: Finished difference Result 10329 states and 15320 transitions. [2021-12-07 01:06:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:06:36,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 273 [2021-12-07 01:06:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:36,998 INFO L225 Difference]: With dead ends: 10329 [2021-12-07 01:06:36,999 INFO L226 Difference]: Without dead ends: 5251 [2021-12-07 01:06:37,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:06:37,020 INFO L933 BasicCegarLoop]: 7360 mSDtfsCounter, 1130 mSDsluCounter, 16634 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 1353 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 23994 SdHoareTripleChecker+Invalid, 4399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1353 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:06:37,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1151 Valid, 23994 Invalid, 4399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1353 Valid, 3030 Invalid, 16 Unknown, 0 Unchecked, 51.8s Time] [2021-12-07 01:06:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2021-12-07 01:06:37,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5029. [2021-12-07 01:06:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5029 states, 4372 states have (on average 1.4419030192131748) internal successors, (6304), 4389 states have internal predecessors, (6304), 548 states have call successors, (548), 109 states have call predecessors, (548), 108 states have return successors, (547), 544 states have call predecessors, (547), 547 states have call successors, (547) [2021-12-07 01:06:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 7399 transitions. [2021-12-07 01:06:37,259 INFO L78 Accepts]: Start accepts. Automaton has 5029 states and 7399 transitions. Word has length 273 [2021-12-07 01:06:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:06:37,259 INFO L470 AbstractCegarLoop]: Abstraction has 5029 states and 7399 transitions. [2021-12-07 01:06:37,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:06:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 7399 transitions. [2021-12-07 01:06:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-07 01:06:37,268 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:37,269 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:06:37,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:06:37,269 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:06:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:37,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1912064422, now seen corresponding path program 1 times [2021-12-07 01:06:37,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:37,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374178673] [2021-12-07 01:06:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:37,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:06:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:06:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:06:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:06:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:06:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:06:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:06:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:06:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:06:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:06:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:06:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 01:06:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:06:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 01:06:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:06:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-07 01:06:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 01:06:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:06:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-07 01:06:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-07 01:06:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-12-07 01:06:38,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:38,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374178673] [2021-12-07 01:06:38,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374178673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:38,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:38,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:06:38,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661335453] [2021-12-07 01:06:38,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:38,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:06:38,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:06:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:06:38,714 INFO L87 Difference]: Start difference. First operand 5029 states and 7399 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:06:40,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:44,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:46,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:49,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:51,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:53,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:57,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:06:59,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:04,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:07,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:10,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:14,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:16,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:20,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:07:21,084 INFO L93 Difference]: Finished difference Result 14932 states and 22084 transitions. [2021-12-07 01:07:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:07:21,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 273 [2021-12-07 01:07:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:07:21,139 INFO L225 Difference]: With dead ends: 14932 [2021-12-07 01:07:21,139 INFO L226 Difference]: Without dead ends: 9948 [2021-12-07 01:07:21,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:07:21,151 INFO L933 BasicCegarLoop]: 7644 mSDtfsCounter, 9584 mSDsluCounter, 12507 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 3820 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9871 SdHoareTripleChecker+Valid, 20151 SdHoareTripleChecker+Invalid, 6186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3820 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:07:21,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9871 Valid, 20151 Invalid, 6186 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3820 Valid, 2353 Invalid, 13 Unknown, 0 Unchecked, 41.7s Time] [2021-12-07 01:07:21,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2021-12-07 01:07:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 9495. [2021-12-07 01:07:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9495 states, 8357 states have (on average 1.4484862989110925) internal successors, (12105), 8391 states have internal predecessors, (12105), 942 states have call successors, (942), 196 states have call predecessors, (942), 195 states have return successors, (941), 932 states have call predecessors, (941), 941 states have call successors, (941) [2021-12-07 01:07:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 13988 transitions. [2021-12-07 01:07:21,478 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 13988 transitions. Word has length 273 [2021-12-07 01:07:21,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:07:21,479 INFO L470 AbstractCegarLoop]: Abstraction has 9495 states and 13988 transitions. [2021-12-07 01:07:21,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:07:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 13988 transitions. [2021-12-07 01:07:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-12-07 01:07:21,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:07:21,487 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2021-12-07 01:07:21,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:07:21,487 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:07:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:21,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1975122466, now seen corresponding path program 1 times [2021-12-07 01:07:21,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:21,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136219993] [2021-12-07 01:07:21,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:21,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:07:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:07:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:07:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:07:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:07:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:07:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:07:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:07:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:07:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:07:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-07 01:07:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:07:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 01:07:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 01:07:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-07 01:07:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 01:07:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:07:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-07 01:07:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-07 01:07:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-07 01:07:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-12-07 01:07:22,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:22,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136219993] [2021-12-07 01:07:22,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136219993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:22,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:22,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:07:22,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705261160] [2021-12-07 01:07:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:22,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:07:22,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:07:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:07:22,840 INFO L87 Difference]: Start difference. First operand 9495 states and 13988 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 01:07:24,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:27,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:29,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:33,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:35,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:37,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:39,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:40,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:42,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:44,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:46,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:55,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:57,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:59,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:03,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:05,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:07,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:11,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:13,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:15,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:17,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:19,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:21,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:24,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:26,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:28,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:34,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:35,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:38,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:40,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:42,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:44,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:57,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []