./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--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-43_2a-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 c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:54:31,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:54:31,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:54:31,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:54:31,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:54:31,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:54:31,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:54:31,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:54:31,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:54:31,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:54:31,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:54:31,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:54:31,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:54:31,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:54:31,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:54:31,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:54:31,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:54:31,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:54:31,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:54:31,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:54:31,503 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:54:31,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:54:31,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:54:31,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:54:31,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:54:31,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:54:31,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:54:31,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:54:31,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:54:31,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:54:31,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:54:31,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:54:31,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:54:31,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:54:31,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:54:31,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:54:31,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:54:31,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:54:31,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:54:31,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:54:31,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:54:31,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:54:31,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:54:31,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:54:31,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:54:31,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:54:31,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:54:31,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:54:31,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:54:31,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:54:31,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:54:31,548 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:54:31,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:54:31,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:54:31,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:54:31,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:54:31,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:54:31,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:54:31,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:54:31,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:54:31,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:54:31,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:54:31,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:54:31,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:54:31,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:54:31,552 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:54:31,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:54:31,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:54:31,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-07-21 12:54:31,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:54:31,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:54:31,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:54:31,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:54:31,868 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:54:31,870 INFO L432 ainManager$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-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:54:31,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37731126b/a72bc49aafab4f4bb5712b3f9655dc0e/FLAG05c14e842 [2022-07-21 12:54:32,542 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:54:32,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:54:32,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37731126b/a72bc49aafab4f4bb5712b3f9655dc0e/FLAG05c14e842 [2022-07-21 12:54:32,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37731126b/a72bc49aafab4f4bb5712b3f9655dc0e [2022-07-21 12:54:32,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:54:32,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:54:32,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:54:32,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:54:32,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:54:32,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:32" (1/1) ... [2022-07-21 12:54:32,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6b8347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:32, skipping insertion in model container [2022-07-21 12:54:32,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:32" (1/1) ... [2022-07-21 12:54:32,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:54:32,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:54:35,373 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-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-21 12:54:35,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:54:35,494 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:54:36,000 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-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-21 12:54:36,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:54:36,211 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:54:36,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36 WrapperNode [2022-07-21 12:54:36,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:54:36,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:54:36,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:54:36,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:54:36,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,480 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5938 [2022-07-21 12:54:36,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:54:36,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:54:36,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:54:36,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:54:36,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:54:36,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:54:36,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:54:36,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:54:36,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (1/1) ... [2022-07-21 12:54:36,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:54:36,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:54:36,740 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 12:54:36,799 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 12:54:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-21 12:54:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-21 12:54:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 12:54:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 12:54:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-21 12:54:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-21 12:54:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-21 12:54:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-21 12:54:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:54:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:54:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 12:54:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 12:54:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:54:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:54:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-21 12:54:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-21 12:54:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:54:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:54:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:54:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:54:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-21 12:54:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-21 12:54:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-21 12:54:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-21 12:54:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-21 12:54:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-21 12:54:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:54:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:54:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-21 12:54:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-21 12:54:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 12:54:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 12:54:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-21 12:54:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-21 12:54:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-21 12:54:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-21 12:54:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-21 12:54:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-21 12:54:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 12:54:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 12:54:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 12:54:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 12:54:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:54:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:54:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-21 12:54:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-21 12:54:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-21 12:54:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-21 12:54:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-21 12:54:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-21 12:54:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:54:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:54:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-21 12:54:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-21 12:54:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-21 12:54:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-21 12:54:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-21 12:54:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-21 12:54:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-21 12:54:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-21 12:54:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 12:54:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 12:54:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-21 12:54:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-21 12:54:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:54:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:54:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 12:54:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 12:54:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:54:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:54:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:54:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:54:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-21 12:54:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-21 12:54:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:54:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:54:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-21 12:54:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-21 12:54:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:54:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-21 12:54:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-21 12:54:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 12:54:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 12:54:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-21 12:54:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-21 12:54:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:54:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:54:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-21 12:54:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-21 12:54:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:54:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:54:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:54:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:54:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-21 12:54:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-21 12:54:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:54:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-21 12:54:36,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-21 12:54:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:54:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:54:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:54:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-21 12:54:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-21 12:54:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:54:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:54:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:54:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-21 12:54:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-21 12:54:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 12:54:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 12:54:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-21 12:54:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-21 12:54:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 12:54:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 12:54:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:54:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:54:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-21 12:54:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-21 12:54:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:54:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:54:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-21 12:54:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-21 12:54:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-21 12:54:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:54:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-21 12:54:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 12:54:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-21 12:54:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-21 12:54:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-21 12:54:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-21 12:54:36,903 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-21 12:54:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:54:36,903 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:54:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 12:54:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 12:54:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:54:36,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:54:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 12:54:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:54:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:54:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:54:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-21 12:54:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-21 12:54:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-21 12:54:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-21 12:54:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-21 12:54:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-21 12:54:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:54:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-21 12:54:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-21 12:54:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-21 12:54:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-21 12:54:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 12:54:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 12:54:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:54:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:54:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-21 12:54:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-21 12:54:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 12:54:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 12:54:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-21 12:54:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-21 12:54:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-21 12:54:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-21 12:54:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-21 12:54:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-21 12:54:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-21 12:54:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-21 12:54:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-21 12:54:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-21 12:54:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 12:54:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 12:54:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-21 12:54:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-21 12:54:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:54:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:54:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-21 12:54:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-21 12:54:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-21 12:54:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-21 12:54:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 12:54:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 12:54:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 12:54:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 12:54:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-21 12:54:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-21 12:54:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:54:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:54:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:54:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:54:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-21 12:54:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-21 12:54:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-21 12:54:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-21 12:54:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:54:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-21 12:54:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-21 12:54:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 12:54:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 12:54:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:54:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:54:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-21 12:54:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-21 12:54:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-21 12:54:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-21 12:54:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-21 12:54:36,916 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-21 12:54:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-21 12:54:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-21 12:54:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:54:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:54:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-21 12:54:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-21 12:54:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-21 12:54:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-21 12:54:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-21 12:54:36,917 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-21 12:54:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 12:54:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 12:54:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-21 12:54:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-21 12:54:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-21 12:54:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-21 12:54:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-21 12:54:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-21 12:54:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-21 12:54:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-21 12:54:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:54:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:54:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:54:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:54:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-21 12:54:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-21 12:54:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:54:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-21 12:54:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-21 12:54:37,601 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:54:37,606 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:54:37,805 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:55:15,231 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:55:15,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:55:15,245 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:55:15,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:55:15 BoogieIcfgContainer [2022-07-21 12:55:15,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:55:15,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:55:15,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:55:15,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:55:15,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:32" (1/3) ... [2022-07-21 12:55:15,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd3efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:55:15, skipping insertion in model container [2022-07-21 12:55:15,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:36" (2/3) ... [2022-07-21 12:55:15,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd3efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:55:15, skipping insertion in model container [2022-07-21 12:55:15,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:55:15" (3/3) ... [2022-07-21 12:55:15,256 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-21 12:55:15,269 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:55:15,269 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:55:15,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:55:15,353 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@65545d3d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5f997f5b [2022-07-21 12:55:15,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:55:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) [2022-07-21 12:55:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-21 12:55:15,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:55:15,394 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, 1, 1, 1] [2022-07-21 12:55:15,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:55:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:55:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989063, now seen corresponding path program 1 times [2022-07-21 12:55:15,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:55:15,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024614506] [2022-07-21 12:55:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:55:15,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:55:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:55:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:55:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:55:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:55:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:55:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:55:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:55:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:55:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:55:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:55:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:55:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:55:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:55:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:55:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:55:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:55:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:55:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:55:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 12:55:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 12:55:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:16,805 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 12:55:16,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:55:16,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024614506] [2022-07-21 12:55:16,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024614506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:55:16,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:55:16,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:55:16,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857013314] [2022-07-21 12:55:16,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:55:16,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:55:16,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:55:16,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:55:16,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:55:16,847 INFO L87 Difference]: Start difference. First operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:55:18,912 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 12:55:21,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:55:26,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:55:37,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:55:37,915 INFO L93 Difference]: Finished difference Result 7233 states and 11832 transitions. [2022-07-21 12:55:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:55:37,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-21 12:55:37,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:55:37,957 INFO L225 Difference]: With dead ends: 7233 [2022-07-21 12:55:37,957 INFO L226 Difference]: Without dead ends: 3952 [2022-07-21 12:55:37,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:55:37,994 INFO L413 NwaCegarLoop]: 4593 mSDtfsCounter, 3085 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 2592 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 8962 SdHoareTripleChecker+Invalid, 4729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2592 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:55:37,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 8962 Invalid, 4729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2592 Valid, 2135 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2022-07-21 12:55:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-21 12:55:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3250. [2022-07-21 12:55:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 2218 states have (on average 1.3011722272317403) internal successors, (2886), 2273 states have internal predecessors, (2886), 868 states have call successors, (868), 164 states have call predecessors, (868), 163 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-07-21 12:55:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4621 transitions. [2022-07-21 12:55:38,220 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4621 transitions. Word has length 274 [2022-07-21 12:55:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:55:38,222 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4621 transitions. [2022-07-21 12:55:38,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:55:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4621 transitions. [2022-07-21 12:55:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-21 12:55:38,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:55:38,231 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, 1, 1, 1] [2022-07-21 12:55:38,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:55:38,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:55:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:55:38,233 INFO L85 PathProgramCache]: Analyzing trace with hash 834827865, now seen corresponding path program 1 times [2022-07-21 12:55:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:55:38,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26378008] [2022-07-21 12:55:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:55:38,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:55:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:55:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:55:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:55:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:55:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:55:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:55:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:55:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:55:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:55:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:55:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:55:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:55:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:55:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:55:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:55:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:55:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:55:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:55:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:55:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:55:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 12:55:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 12:55:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:55:39,157 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 12:55:39,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:55:39,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26378008] [2022-07-21 12:55:39,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26378008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:55:39,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:55:39,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:55:39,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565902549] [2022-07-21 12:55:39,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:55:39,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:55:39,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:55:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:55:39,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:55:39,162 INFO L87 Difference]: Start difference. First operand 3250 states and 4621 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:55:41,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:55:43,469 WARN L534 Checker$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 12:56:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:56:16,367 INFO L93 Difference]: Finished difference Result 10586 states and 15461 transitions. [2022-07-21 12:56:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:56:16,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-21 12:56:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:56:16,417 INFO L225 Difference]: With dead ends: 10586 [2022-07-21 12:56:16,417 INFO L226 Difference]: Without dead ends: 7379 [2022-07-21 12:56:16,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:56:16,436 INFO L413 NwaCegarLoop]: 5280 mSDtfsCounter, 8404 mSDsluCounter, 8962 mSDsCounter, 0 mSdLazyCounter, 4931 mSolverCounterSat, 5102 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8798 SdHoareTripleChecker+Valid, 14242 SdHoareTripleChecker+Invalid, 10035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5102 IncrementalHoareTripleChecker+Valid, 4931 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:56:16,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8798 Valid, 14242 Invalid, 10035 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5102 Valid, 4931 Invalid, 2 Unknown, 0 Unchecked, 36.2s Time] [2022-07-21 12:56:16,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-21 12:56:16,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6070. [2022-07-21 12:56:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 4139 states have (on average 1.3007972940323749) internal successors, (5384), 4248 states have internal predecessors, (5384), 1617 states have call successors, (1617), 314 states have call predecessors, (1617), 313 states have return successors, (1616), 1586 states have call predecessors, (1616), 1616 states have call successors, (1616) [2022-07-21 12:56:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8617 transitions. [2022-07-21 12:56:16,671 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8617 transitions. Word has length 274 [2022-07-21 12:56:16,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:56:16,674 INFO L495 AbstractCegarLoop]: Abstraction has 6070 states and 8617 transitions. [2022-07-21 12:56:16,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:56:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8617 transitions. [2022-07-21 12:56:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-21 12:56:16,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:56:16,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:56:16,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:56:16,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:56:16,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:56:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1380883826, now seen corresponding path program 1 times [2022-07-21 12:56:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:56:16,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886053328] [2022-07-21 12:56:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:56:16,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:56:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:56:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:56:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:56:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:56:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:56:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:56:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:56:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:56:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:56:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:56:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:56:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:56:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:56:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:56:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:56:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:56:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:56:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:56:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:56:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:56:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 12:56:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:56:17,700 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 12:56:17,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:56:17,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886053328] [2022-07-21 12:56:17,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886053328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:56:17,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:56:17,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:56:17,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827006097] [2022-07-21 12:56:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:56:17,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:56:17,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:56:17,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:56:17,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:56:17,703 INFO L87 Difference]: Start difference. First operand 6070 states and 8617 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:56:19,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:56:22,003 WARN L534 Checker$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 12:56:40,271 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 12:56:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:56:58,890 INFO L93 Difference]: Finished difference Result 20649 states and 30179 transitions. [2022-07-21 12:56:58,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:56:58,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-21 12:56:58,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:56:59,002 INFO L225 Difference]: With dead ends: 20649 [2022-07-21 12:56:59,002 INFO L226 Difference]: Without dead ends: 14622 [2022-07-21 12:56:59,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:56:59,056 INFO L413 NwaCegarLoop]: 7127 mSDtfsCounter, 12156 mSDsluCounter, 10793 mSDsCounter, 0 mSdLazyCounter, 5154 mSolverCounterSat, 8884 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12639 SdHoareTripleChecker+Valid, 17920 SdHoareTripleChecker+Invalid, 14040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8884 IncrementalHoareTripleChecker+Valid, 5154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:56:59,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12639 Valid, 17920 Invalid, 14040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8884 Valid, 5154 Invalid, 2 Unknown, 0 Unchecked, 40.0s Time] [2022-07-21 12:56:59,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-07-21 12:56:59,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11778. [2022-07-21 12:56:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11778 states, 8019 states have (on average 1.299289188178077) internal successors, (10419), 8230 states have internal predecessors, (10419), 3137 states have call successors, (3137), 622 states have call predecessors, (3137), 621 states have return successors, (3136), 3078 states have call predecessors, (3136), 3136 states have call successors, (3136) [2022-07-21 12:56:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11778 states to 11778 states and 16692 transitions. [2022-07-21 12:56:59,671 INFO L78 Accepts]: Start accepts. Automaton has 11778 states and 16692 transitions. Word has length 288 [2022-07-21 12:56:59,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:56:59,672 INFO L495 AbstractCegarLoop]: Abstraction has 11778 states and 16692 transitions. [2022-07-21 12:56:59,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:56:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11778 states and 16692 transitions. [2022-07-21 12:56:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-21 12:56:59,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:56:59,678 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, 1, 1, 1, 1, 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 12:56:59,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:56:59,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:56:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:56:59,679 INFO L85 PathProgramCache]: Analyzing trace with hash -693768482, now seen corresponding path program 1 times [2022-07-21 12:56:59,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:56:59,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377659981] [2022-07-21 12:56:59,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:56:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:56:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:57:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:57:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:57:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:57:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:57:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:57:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:57:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:57:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:57:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:57:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:57:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:57:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:57:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:57:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:57:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:57:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:57:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 12:57:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-21 12:57:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:57:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 12:57:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:00,569 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 12:57:00,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:57:00,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377659981] [2022-07-21 12:57:00,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377659981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:57:00,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:57:00,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:57:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755615451] [2022-07-21 12:57:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:57:00,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:57:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:57:00,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:57:00,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:57:00,572 INFO L87 Difference]: Start difference. First operand 11778 states and 16692 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 12:57:02,617 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 12:57:04,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:57:23,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:57:48,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:57:48,532 INFO L93 Difference]: Finished difference Result 39114 states and 57074 transitions. [2022-07-21 12:57:48,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:57:48,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2022-07-21 12:57:48,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:57:48,702 INFO L225 Difference]: With dead ends: 39114 [2022-07-21 12:57:48,703 INFO L226 Difference]: Without dead ends: 27389 [2022-07-21 12:57:48,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 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 12:57:48,757 INFO L413 NwaCegarLoop]: 5486 mSDtfsCounter, 8670 mSDsluCounter, 11239 mSDsCounter, 0 mSdLazyCounter, 6359 mSolverCounterSat, 5147 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9049 SdHoareTripleChecker+Valid, 16725 SdHoareTripleChecker+Invalid, 11508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5147 IncrementalHoareTripleChecker+Valid, 6359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:57:48,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9049 Valid, 16725 Invalid, 11508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5147 Valid, 6359 Invalid, 2 Unknown, 0 Unchecked, 46.2s Time] [2022-07-21 12:57:48,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27389 states. [2022-07-21 12:57:49,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27389 to 23334. [2022-07-21 12:57:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23334 states, 15898 states have (on average 1.2929928292867028) internal successors, (20556), 16300 states have internal predecessors, (20556), 6130 states have call successors, (6130), 1200 states have call predecessors, (6130), 1305 states have return successors, (7033), 6117 states have call predecessors, (7033), 6129 states have call successors, (7033) [2022-07-21 12:57:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23334 states to 23334 states and 33719 transitions. [2022-07-21 12:57:49,778 INFO L78 Accepts]: Start accepts. Automaton has 23334 states and 33719 transitions. Word has length 299 [2022-07-21 12:57:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:57:49,781 INFO L495 AbstractCegarLoop]: Abstraction has 23334 states and 33719 transitions. [2022-07-21 12:57:49,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 12:57:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23334 states and 33719 transitions. [2022-07-21 12:57:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-21 12:57:49,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:57:49,785 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, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:49,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:57:49,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:57:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:57:49,786 INFO L85 PathProgramCache]: Analyzing trace with hash -927131278, now seen corresponding path program 1 times [2022-07-21 12:57:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:57:49,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959530022] [2022-07-21 12:57:49,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:57:49,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:57:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:57:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:57:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:57:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:57:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:57:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:57:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:57:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:57:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:57:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:57:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:57:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:57:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:57:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:57:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:57:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:57:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:57:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:57:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 12:57:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:57:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:57:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 12:57:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:57:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:57:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 12:57:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 12:57:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:57:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-21 12:57:51,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:57:51,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959530022] [2022-07-21 12:57:51,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959530022] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:57:51,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:57:51,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:57:51,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878269533] [2022-07-21 12:57:51,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:57:51,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:57:51,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:57:51,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:57:51,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:57:51,152 INFO L87 Difference]: Start difference. First operand 23334 states and 33719 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 12:57:53,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:58:06,785 WARN L534 Checker$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 12:58:14,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:58:14,080 INFO L93 Difference]: Finished difference Result 27450 states and 40482 transitions. [2022-07-21 12:58:14,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:58:14,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 317 [2022-07-21 12:58:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:58:14,105 INFO L225 Difference]: With dead ends: 27450 [2022-07-21 12:58:14,109 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 12:58:14,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 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 12:58:14,223 INFO L413 NwaCegarLoop]: 4458 mSDtfsCounter, 6754 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 3203 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7094 SdHoareTripleChecker+Valid, 9020 SdHoareTripleChecker+Invalid, 5529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3203 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:58:14,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7094 Valid, 9020 Invalid, 5529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3203 Valid, 2324 Invalid, 2 Unknown, 0 Unchecked, 21.8s Time] [2022-07-21 12:58:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 12:58:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 12:58:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 12:58:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 12:58:14,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2022-07-21 12:58:14,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:58:14,232 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 12:58:14,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 12:58:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 12:58:14,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 12:58:14,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 12:58:14,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:58:14,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.