./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-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:22:03,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:22:03,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:22:03,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:22:03,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:22:03,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:22:03,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:22:03,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:22:03,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:22:03,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:22:03,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:22:03,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:22:03,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:22:03,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:22:03,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:22:03,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:22:03,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:22:03,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:22:03,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:22:03,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:22:03,981 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:22:03,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:22:03,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:22:03,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:22:03,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:22:03,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:22:03,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:22:03,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:22:03,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:22:03,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:22:03,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:22:03,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:22:03,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:22:03,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:22:03,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:22:03,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:22:03,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:22:03,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:22:03,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:22:03,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:22:04,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:22:04,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:22:04,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:22:04,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:22:04,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:22:04,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:22:04,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:22:04,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:22:04,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:22:04,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:22:04,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:22:04,040 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:22:04,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:22:04,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:22:04,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:22:04,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:22:04,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:22:04,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:22:04,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:22:04,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:22:04,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:22:04,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:22:04,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:22:04,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:22:04,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:22:04,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:22:04,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:22:04,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:22:04,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:22:04,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:22:04,044 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:22:04,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:22:04,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:22:04,044 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-07-21 12:22:04,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:22:04,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:22:04,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:22:04,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:22:04,339 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:22:04,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:22:04,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25deeb37a/4d4ce5eb82ca40c396166a933405f820/FLAGe40dd69ac [2022-07-21 12:22:05,146 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:22:05,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:22:05,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25deeb37a/4d4ce5eb82ca40c396166a933405f820/FLAGe40dd69ac [2022-07-21 12:22:05,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25deeb37a/4d4ce5eb82ca40c396166a933405f820 [2022-07-21 12:22:05,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:22:05,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:22:05,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:22:05,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:22:05,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:22:05,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:22:05" (1/1) ... [2022-07-21 12:22:05,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2183b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:05, skipping insertion in model container [2022-07-21 12:22:05,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:22:05" (1/1) ... [2022-07-21 12:22:05,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:22:05,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:22:08,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-21 12:22:09,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:22:09,251 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:22:09,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-21 12:22:09,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:22:09,980 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:22:09,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09 WrapperNode [2022-07-21 12:22:09,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:22:09,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:22:09,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:22:09,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:22:09,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,234 INFO L137 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 6234 [2022-07-21 12:22:10,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:22:10,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:22:10,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:22:10,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:22:10,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:22:10,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:22:10,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:22:10,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:22:10,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (1/1) ... [2022-07-21 12:22:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:22:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:22:10,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:22:10,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:22:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-21 12:22:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-21 12:22:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 12:22:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 12:22:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 12:22:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 12:22:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-21 12:22:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-21 12:22:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-21 12:22:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-21 12:22:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:22:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:22:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 12:22:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 12:22:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:22:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:22:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-21 12:22:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-21 12:22:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:22:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:22:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-21 12:22:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-21 12:22:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-21 12:22:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-21 12:22:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-21 12:22:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-21 12:22:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:22:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:22:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-21 12:22:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-21 12:22:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 12:22:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 12:22:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-21 12:22:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-21 12:22:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-21 12:22:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-21 12:22:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-21 12:22:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-21 12:22:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 12:22:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 12:22:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 12:22:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 12:22:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:22:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:22:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-21 12:22:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-21 12:22:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-21 12:22:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-21 12:22:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-21 12:22:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-21 12:22:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:22:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:22:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-21 12:22:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-21 12:22:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-21 12:22:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-21 12:22:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-21 12:22:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-21 12:22:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-21 12:22:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-21 12:22:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 12:22:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 12:22:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-21 12:22:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-21 12:22:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:22:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:22:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 12:22:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 12:22:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:22:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:22:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:22:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:22:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-21 12:22:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-21 12:22:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:22:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:22:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-21 12:22:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-21 12:22:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:22:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-21 12:22:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-21 12:22:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 12:22:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 12:22:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-21 12:22:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-21 12:22:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:22:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:22:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-21 12:22:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-21 12:22:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:22:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:22:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:22:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:22:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-21 12:22:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-21 12:22:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:22:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-21 12:22:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-21 12:22:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:22:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:22:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:22:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-21 12:22:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-21 12:22:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:22:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:22:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:22:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-21 12:22:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-21 12:22:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 12:22:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 12:22:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-21 12:22:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-21 12:22:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 12:22:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 12:22:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-21 12:22:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-21 12:22:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:22:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:22:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-21 12:22:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-21 12:22:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-21 12:22:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-21 12:22:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 12:22:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 12:22:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-21 12:22:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-21 12:22:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-21 12:22:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-21 12:22:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:22:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:22:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-21 12:22:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-21 12:22:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-21 12:22:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-21 12:22:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 12:22:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 12:22:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-21 12:22:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-21 12:22:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-21 12:22:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-21 12:22:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:22:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-21 12:22:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-21 12:22:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-21 12:22:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-21 12:22:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-21 12:22:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 12:22:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-21 12:22:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 12:22:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:22:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:22:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:22:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-21 12:22:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-21 12:22:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:22:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:22:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-21 12:22:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-21 12:22:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 12:22:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 12:22:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 12:22:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 12:22:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 12:22:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 12:22:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-21 12:22:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-21 12:22:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-21 12:22:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-21 12:22:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 12:22:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 12:22:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-21 12:22:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-21 12:22:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-21 12:22:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-21 12:22:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-21 12:22:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-21 12:22:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-21 12:22:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-21 12:22:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:22:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:22:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-21 12:22:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-21 12:22:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:22:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:22:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:22:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:22:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:22:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:22:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 12:22:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 12:22:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:22:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:22:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 12:22:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-21 12:22:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-21 12:22:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 12:22:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 12:22:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:22:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:22:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-21 12:22:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-21 12:22:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-21 12:22:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-21 12:22:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-21 12:22:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-21 12:22:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 12:22:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 12:22:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:22:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:22:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-21 12:22:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-21 12:22:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-21 12:22:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-21 12:22:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:22:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:22:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:22:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:22:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:22:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:22:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:22:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:22:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:22:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-21 12:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-21 12:22:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-21 12:22:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-21 12:22:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-21 12:22:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-21 12:22:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 12:22:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 12:22:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:22:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-21 12:22:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-21 12:22:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:22:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:22:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-21 12:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-21 12:22:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 12:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 12:22:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:22:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-21 12:22:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-21 12:22:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-21 12:22:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-21 12:22:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-21 12:22:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-21 12:22:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:22:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-21 12:22:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-21 12:22:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-21 12:22:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-21 12:22:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:22:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:22:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:22:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:22:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-21 12:22:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-21 12:22:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 12:22:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 12:22:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-21 12:22:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-21 12:22:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-21 12:22:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-21 12:22:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-21 12:22:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-21 12:22:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-21 12:22:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-21 12:22:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-21 12:22:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-21 12:22:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-21 12:22:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-21 12:22:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-21 12:22:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-21 12:22:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 12:22:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 12:22:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-21 12:22:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-21 12:22:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:22:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:22:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-21 12:22:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-21 12:22:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-21 12:22:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-21 12:22:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 12:22:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 12:22:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 12:22:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 12:22:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-21 12:22:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-21 12:22:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:22:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:22:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:22:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:22:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-21 12:22:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-21 12:22:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-21 12:22:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-21 12:22:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:22:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-21 12:22:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-21 12:22:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 12:22:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 12:22:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:22:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-21 12:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-21 12:22:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-21 12:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-21 12:22:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-21 12:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-21 12:22:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-21 12:22:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-21 12:22:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:22:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-21 12:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-21 12:22:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-07-21 12:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-07-21 12:22:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-21 12:22:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-21 12:22:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-21 12:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-21 12:22:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-21 12:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-21 12:22:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 12:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 12:22:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-21 12:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-21 12:22:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-21 12:22:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-21 12:22:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-21 12:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-21 12:22:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-21 12:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-21 12:22:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:22:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:22:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-21 12:22:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-21 12:22:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:22:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-21 12:22:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-21 12:22:11,430 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:22:11,433 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:22:11,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:22:50,192 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:22:50,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:22:50,207 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:22:50,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:22:50 BoogieIcfgContainer [2022-07-21 12:22:50,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:22:50,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:22:50,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:22:50,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:22:50,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:22:05" (1/3) ... [2022-07-21 12:22:50,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ffe741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:22:50, skipping insertion in model container [2022-07-21 12:22:50,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:22:09" (2/3) ... [2022-07-21 12:22:50,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ffe741d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:22:50, skipping insertion in model container [2022-07-21 12:22:50,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:22:50" (3/3) ... [2022-07-21 12:22:50,216 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:22:50,225 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:22:50,225 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:22:50,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:22:50,299 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79bd0421, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ffa401 [2022-07-21 12:22:50,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:22:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-07-21 12:22:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-21 12:22:50,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:22:50,323 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:22:50,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:22:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:22:50,326 INFO L85 PathProgramCache]: Analyzing trace with hash 743549358, now seen corresponding path program 1 times [2022-07-21 12:22:50,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:22:50,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245324798] [2022-07-21 12:22:50,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:22:50,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:22:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:22:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:22:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:22:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:22:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:22:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:22:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:22:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:22:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:22:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:22:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:22:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:22:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:22:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:22:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:22:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:22:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:22:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:22:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:22:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:22:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:22:51,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:22:51,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245324798] [2022-07-21 12:22:51,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245324798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:22:51,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:22:51,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:22:51,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322980684] [2022-07-21 12:22:51,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:22:51,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:22:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:22:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:22:51,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:22:51,739 INFO L87 Difference]: Start difference. First operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 12:22:53,799 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 [] [2022-07-21 12:22:56,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:23:01,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:23:17,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:23:17,465 INFO L93 Difference]: Finished difference Result 7389 states and 12111 transitions. [2022-07-21 12:23:17,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:23:17,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-07-21 12:23:17,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:23:17,508 INFO L225 Difference]: With dead ends: 7389 [2022-07-21 12:23:17,509 INFO L226 Difference]: Without dead ends: 4045 [2022-07-21 12:23:17,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:23:17,545 INFO L413 NwaCegarLoop]: 4688 mSDtfsCounter, 2561 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 2574 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 11114 SdHoareTripleChecker+Invalid, 5555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2574 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:23:17,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 11114 Invalid, 5555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2574 Valid, 2978 Invalid, 3 Unknown, 0 Unchecked, 25.0s Time] [2022-07-21 12:23:17,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2022-07-21 12:23:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 3321. [2022-07-21 12:23:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3321 states, 2246 states have (on average 1.3000890471950133) internal successors, (2920), 2304 states have internal predecessors, (2920), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-07-21 12:23:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4725 transitions. [2022-07-21 12:23:17,781 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4725 transitions. Word has length 250 [2022-07-21 12:23:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:23:17,782 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 4725 transitions. [2022-07-21 12:23:17,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 12:23:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4725 transitions. [2022-07-21 12:23:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-21 12:23:17,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:23:17,788 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:23:17,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:23:17,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:23:17,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:23:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash 566049344, now seen corresponding path program 1 times [2022-07-21 12:23:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:23:17,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991116184] [2022-07-21 12:23:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:23:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:23:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:23:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:23:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:23:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:23:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:23:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:23:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:23:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:23:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:23:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:23:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:23:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:23:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:23:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:23:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:23:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:23:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:23:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:23:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:23:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:23:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:23:18,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:23:18,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991116184] [2022-07-21 12:23:18,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991116184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:23:18,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:23:18,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:23:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988663480] [2022-07-21 12:23:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:23:18,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:23:18,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:23:18,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:23:18,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:23:18,762 INFO L87 Difference]: Start difference. First operand 3321 states and 4725 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-21 12:23:20,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:23:23,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:23:27,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:24:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:24:00,881 INFO L93 Difference]: Finished difference Result 11292 states and 16504 transitions. [2022-07-21 12:24:00,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:24:00,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-07-21 12:24:00,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:24:00,944 INFO L225 Difference]: With dead ends: 11292 [2022-07-21 12:24:00,945 INFO L226 Difference]: Without dead ends: 8014 [2022-07-21 12:24:00,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:24:00,968 INFO L413 NwaCegarLoop]: 5299 mSDtfsCounter, 10613 mSDsluCounter, 8624 mSDsCounter, 0 mSdLazyCounter, 5268 mSolverCounterSat, 6272 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11061 SdHoareTripleChecker+Valid, 13923 SdHoareTripleChecker+Invalid, 11542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6272 IncrementalHoareTripleChecker+Valid, 5268 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:24:00,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11061 Valid, 13923 Invalid, 11542 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6272 Valid, 5268 Invalid, 2 Unknown, 0 Unchecked, 41.0s Time] [2022-07-21 12:24:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-07-21 12:24:01,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 6564. [2022-07-21 12:24:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6564 states, 4447 states have (on average 1.3015516078255003) internal successors, (5788), 4557 states have internal predecessors, (5788), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-21 12:24:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9343 transitions. [2022-07-21 12:24:01,229 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9343 transitions. Word has length 250 [2022-07-21 12:24:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:24:01,231 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9343 transitions. [2022-07-21 12:24:01,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-21 12:24:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9343 transitions. [2022-07-21 12:24:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-21 12:24:01,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:24:01,236 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:24:01,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:24:01,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:24:01,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:24:01,237 INFO L85 PathProgramCache]: Analyzing trace with hash -452090653, now seen corresponding path program 1 times [2022-07-21 12:24:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:24:01,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056240935] [2022-07-21 12:24:01,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:24:01,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:24:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:24:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:24:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:24:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:24:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:24:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:24:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:24:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:24:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:24:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:24:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:24:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:24:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:24:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:24:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:24:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:24:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:24:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 12:24:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:24:02,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:24:02,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056240935] [2022-07-21 12:24:02,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056240935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:24:02,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:24:02,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:24:02,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972893870] [2022-07-21 12:24:02,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:24:02,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:24:02,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:24:02,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:24:02,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:24:02,271 INFO L87 Difference]: Start difference. First operand 6564 states and 9343 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 12:24:04,317 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 [] [2022-07-21 12:24:06,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:24:10,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:24:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:24:48,663 INFO L93 Difference]: Finished difference Result 22334 states and 32602 transitions. [2022-07-21 12:24:48,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:24:48,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-07-21 12:24:48,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:24:48,772 INFO L225 Difference]: With dead ends: 22334 [2022-07-21 12:24:48,772 INFO L226 Difference]: Without dead ends: 15813 [2022-07-21 12:24:48,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:24:48,815 INFO L413 NwaCegarLoop]: 7048 mSDtfsCounter, 9294 mSDsluCounter, 10381 mSDsCounter, 0 mSdLazyCounter, 5501 mSolverCounterSat, 5260 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9723 SdHoareTripleChecker+Valid, 17429 SdHoareTripleChecker+Invalid, 10763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5260 IncrementalHoareTripleChecker+Valid, 5501 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:24:48,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9723 Valid, 17429 Invalid, 10763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5260 Valid, 5501 Invalid, 2 Unknown, 0 Unchecked, 45.0s Time] [2022-07-21 12:24:48,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15813 states. [2022-07-21 12:24:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15813 to 12909. [2022-07-21 12:24:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 8758 states have (on average 1.300753596711578) internal successors, (11392), 8966 states have internal predecessors, (11392), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-07-21 12:24:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 18347 transitions. [2022-07-21 12:24:49,376 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 18347 transitions. Word has length 257 [2022-07-21 12:24:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:24:49,377 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 18347 transitions. [2022-07-21 12:24:49,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 12:24:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 18347 transitions. [2022-07-21 12:24:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-21 12:24:49,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:24:49,382 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:24:49,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:24:49,382 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:24:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:24:49,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1341581725, now seen corresponding path program 1 times [2022-07-21 12:24:49,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:24:49,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787156457] [2022-07-21 12:24:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:24:49,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:24:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:24:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:24:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:24:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:24:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:24:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:24:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:24:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:24:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:24:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:24:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:24:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:24:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:24:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:24:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:24:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:24:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:24:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:24:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:24:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 12:24:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 12:24:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:24:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:24:50,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:24:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787156457] [2022-07-21 12:24:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787156457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:24:50,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:24:50,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:24:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72791845] [2022-07-21 12:24:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:24:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:24:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:24:50,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:24:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:24:50,261 INFO L87 Difference]: Start difference. First operand 12909 states and 18347 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-07-21 12:24:52,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:24:54,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:24:59,648 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 [] [2022-07-21 12:25:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:25:33,590 INFO L93 Difference]: Finished difference Result 42016 states and 61240 transitions. [2022-07-21 12:25:33,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:25:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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 264 [2022-07-21 12:25:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:25:33,933 INFO L225 Difference]: With dead ends: 42016 [2022-07-21 12:25:33,934 INFO L226 Difference]: Without dead ends: 29150 [2022-07-21 12:25:33,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:25:33,989 INFO L413 NwaCegarLoop]: 5376 mSDtfsCounter, 8579 mSDsluCounter, 9148 mSDsCounter, 0 mSdLazyCounter, 5121 mSolverCounterSat, 5354 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8969 SdHoareTripleChecker+Valid, 14524 SdHoareTripleChecker+Invalid, 10477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5354 IncrementalHoareTripleChecker+Valid, 5121 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:25:33,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8969 Valid, 14524 Invalid, 10477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5354 Valid, 5121 Invalid, 2 Unknown, 0 Unchecked, 41.7s Time] [2022-07-21 12:25:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29150 states. [2022-07-21 12:25:34,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29150 to 23866. [2022-07-21 12:25:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23866 states, 16142 states have (on average 1.2978565233552224) internal successors, (20950), 16546 states have internal predecessors, (20950), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-07-21 12:25:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23866 states to 23866 states and 33831 transitions. [2022-07-21 12:25:34,988 INFO L78 Accepts]: Start accepts. Automaton has 23866 states and 33831 transitions. Word has length 264 [2022-07-21 12:25:34,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:25:34,988 INFO L495 AbstractCegarLoop]: Abstraction has 23866 states and 33831 transitions. [2022-07-21 12:25:34,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-07-21 12:25:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 23866 states and 33831 transitions. [2022-07-21 12:25:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-21 12:25:34,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:25:34,992 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:25:34,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:25:34,992 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:25:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:25:34,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1171477587, now seen corresponding path program 1 times [2022-07-21 12:25:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:25:34,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978328754] [2022-07-21 12:25:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:25:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:25:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:25:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:25:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:25:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:25:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:25:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:25:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:25:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:25:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:25:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:25:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:25:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:25:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:25:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:25:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:25:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:25:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:25:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:25:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:25:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 12:25:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-21 12:25:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:25:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:25:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:25:36,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978328754] [2022-07-21 12:25:36,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978328754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:25:36,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:25:36,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:25:36,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396335585] [2022-07-21 12:25:36,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:25:36,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:25:36,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:25:36,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:25:36,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:25:36,015 INFO L87 Difference]: Start difference. First operand 23866 states and 33831 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-07-21 12:25:38,072 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 [] [2022-07-21 12:26:09,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:26:09,506 INFO L93 Difference]: Finished difference Result 79423 states and 115820 transitions. [2022-07-21 12:26:09,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:26:09,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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 271 [2022-07-21 12:26:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:26:10,077 INFO L225 Difference]: With dead ends: 79423 [2022-07-21 12:26:10,078 INFO L226 Difference]: Without dead ends: 55610 [2022-07-21 12:26:10,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:26:10,265 INFO L413 NwaCegarLoop]: 5566 mSDtfsCounter, 11737 mSDsluCounter, 6735 mSDsCounter, 0 mSdLazyCounter, 4037 mSolverCounterSat, 8043 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12128 SdHoareTripleChecker+Valid, 12301 SdHoareTripleChecker+Invalid, 12081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8043 IncrementalHoareTripleChecker+Valid, 4037 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:26:10,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12128 Valid, 12301 Invalid, 12081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8043 Valid, 4037 Invalid, 1 Unknown, 0 Unchecked, 31.1s Time] [2022-07-21 12:26:10,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55610 states. [2022-07-21 12:26:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55610 to 47324. [2022-07-21 12:26:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47324 states, 32031 states have (on average 1.291373981455465) internal successors, (41364), 32809 states have internal predecessors, (41364), 12593 states have call successors, (12593), 2476 states have call predecessors, (12593), 2699 states have return successors, (14424), 12582 states have call predecessors, (14424), 12586 states have call successors, (14424) [2022-07-21 12:26:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47324 states to 47324 states and 68381 transitions. [2022-07-21 12:26:12,812 INFO L78 Accepts]: Start accepts. Automaton has 47324 states and 68381 transitions. Word has length 271 [2022-07-21 12:26:12,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:26:12,813 INFO L495 AbstractCegarLoop]: Abstraction has 47324 states and 68381 transitions. [2022-07-21 12:26:12,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-07-21 12:26:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 47324 states and 68381 transitions. [2022-07-21 12:26:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-21 12:26:12,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:26:12,817 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:26:12,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:26:12,818 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:26:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:26:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash -318660636, now seen corresponding path program 1 times [2022-07-21 12:26:12,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:26:12,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430275792] [2022-07-21 12:26:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:26:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:26:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:26:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:26:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:26:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:26:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:26:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:26:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:26:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:26:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:26:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:26:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:26:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:26:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:26:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:26:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:26:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:26:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:26:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:26:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-07-21 12:26:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:26:14,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430275792] [2022-07-21 12:26:14,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430275792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:26:14,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:26:14,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:26:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624446176] [2022-07-21 12:26:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:26:14,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:26:14,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:26:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:26:14,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:26:14,373 INFO L87 Difference]: Start difference. First operand 47324 states and 68381 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)