./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:04:55,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:04:55,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:04:55,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:04:55,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:04:55,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:04:55,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:04:55,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:04:55,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:04:55,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:04:55,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:04:55,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:04:55,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:04:55,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:04:55,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:04:55,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:04:55,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:04:55,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:04:55,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:04:55,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:04:55,829 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:04:55,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:04:55,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:04:55,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:04:55,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:04:55,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:04:55,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:04:55,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:04:55,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:04:55,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:04:55,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:04:55,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:04:55,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:04:55,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:04:55,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:04:55,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:04:55,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:04:55,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:04:55,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:04:55,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:04:55,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:04:55,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:04:55,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:04:55,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:04:55,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:04:55,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:04:55,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:04:55,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:04:55,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:04:55,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:04:55,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:04:55,870 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:04:55,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:04:55,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:04:55,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:04:55,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:04:55,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:04:55,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:04:55,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:04:55,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:04:55,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:04:55,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:04:55,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:04:55,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:04:55,879 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:04:55,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:04:55,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:04:55,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-07-23 01:04:56,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:04:56,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:04:56,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:04:56,088 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:04:56,089 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:04:56,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-23 01:04:56,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b37d689d/2ce80d1e824c4c14ad3a894b02208814/FLAG79cbc9dad [2022-07-23 01:04:56,775 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:04:56,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-23 01:04:56,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b37d689d/2ce80d1e824c4c14ad3a894b02208814/FLAG79cbc9dad [2022-07-23 01:04:56,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b37d689d/2ce80d1e824c4c14ad3a894b02208814 [2022-07-23 01:04:56,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:04:56,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:04:56,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:04:56,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:04:56,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:04:56,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:04:56" (1/1) ... [2022-07-23 01:04:56,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9dde02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:04:56, skipping insertion in model container [2022-07-23 01:04:56,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:04:56" (1/1) ... [2022-07-23 01:04:56,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:04:57,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:04:59,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-23 01:04:59,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:04:59,907 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:05:00,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-07-23 01:05:00,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:05:00,520 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:05:00,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00 WrapperNode [2022-07-23 01:05:00,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:05:00,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:05:00,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:05:00,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:05:00,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,764 INFO L137 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 6234 [2022-07-23 01:05:00,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:05:00,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:05:00,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:05:00,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:05:00,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:00,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:01,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:05:01,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:05:01,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:05:01,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:05:01,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (1/1) ... [2022-07-23 01:05:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:05:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:05:01,108 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) [2022-07-23 01:05:01,132 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 [2022-07-23 01:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-23 01:05:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-23 01:05:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 01:05:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 01:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 01:05:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 01:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-23 01:05:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-23 01:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-23 01:05:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-23 01:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:05:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 01:05:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 01:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:05:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-23 01:05:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-23 01:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-23 01:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-23 01:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-23 01:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-23 01:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-23 01:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-23 01:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 01:05:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 01:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-23 01:05:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-23 01:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-23 01:05:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-23 01:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-23 01:05:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-23 01:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-23 01:05:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-23 01:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-23 01:05:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-23 01:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 01:05:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 01:05:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-23 01:05:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-23 01:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:05:01,149 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-23 01:05:01,149 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-23 01:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-23 01:05:01,149 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-23 01:05:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-23 01:05:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-23 01:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:05:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-23 01:05:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-23 01:05:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-23 01:05:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-23 01:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-23 01:05:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-23 01:05:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-23 01:05:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-23 01:05:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 01:05:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 01:05:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-23 01:05:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-23 01:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:05:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 01:05:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 01:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:05:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:05:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:05:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-23 01:05:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-23 01:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:05:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-23 01:05:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-23 01:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-23 01:05:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-23 01:05:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 01:05:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 01:05:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-23 01:05:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-23 01:05:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:05:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:05:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-23 01:05:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-23 01:05:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:05:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:05:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:05:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:05:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-23 01:05:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-23 01:05:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:05:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-23 01:05:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-23 01:05:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:05:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 01:05:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 01:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:05:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:05:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-23 01:05:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-23 01:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 01:05:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 01:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-23 01:05:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-23 01:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 01:05:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 01:05:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-23 01:05:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-23 01:05:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 01:05:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 01:05:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-23 01:05:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-23 01:05:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-23 01:05:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-23 01:05:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 01:05:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 01:05:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-23 01:05:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-23 01:05:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-23 01:05:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-23 01:05:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:05:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:05:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-23 01:05:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-23 01:05:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-23 01:05:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-23 01:05:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 01:05:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 01:05:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-23 01:05:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-23 01:05:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-23 01:05:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-23 01:05:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-23 01:05:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-23 01:05:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:05:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 01:05:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 01:05:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-23 01:05:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-23 01:05:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 01:05:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 01:05:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:05:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:05:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:05:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-23 01:05:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-23 01:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:05:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-23 01:05:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-23 01:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 01:05:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 01:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-23 01:05:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-23 01:05:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 01:05:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 01:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-23 01:05:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-23 01:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-23 01:05:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-23 01:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 01:05:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 01:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-23 01:05:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-23 01:05:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-23 01:05:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-23 01:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-23 01:05:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-23 01:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-23 01:05:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-23 01:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:05:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:05:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-23 01:05:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-23 01:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:05:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:05:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:05:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 01:05:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 01:05:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:05:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:05:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 01:05:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-23 01:05:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-23 01:05:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 01:05:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 01:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:05:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-23 01:05:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-23 01:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-23 01:05:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-23 01:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-23 01:05:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-23 01:05:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-23 01:05:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-23 01:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:05:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-23 01:05:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-23 01:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-23 01:05:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-23 01:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:05:01,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:05:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 01:05:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 01:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:05:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:05:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:05:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:05:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 01:05:01,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-23 01:05:01,176 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-23 01:05:01,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-23 01:05:01,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 01:05:01,176 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:05:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-23 01:05:01,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-23 01:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:05:01,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-23 01:05:01,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-23 01:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:05:01,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:05:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-23 01:05:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-23 01:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-23 01:05:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-23 01:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-23 01:05:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-23 01:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-23 01:05:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-23 01:05:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-23 01:05:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-23 01:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 01:05:01,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 01:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:05:01,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-23 01:05:01,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-23 01:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 01:05:01,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 01:05:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-23 01:05:01,179 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-23 01:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-23 01:05:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-23 01:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-23 01:05:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-23 01:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-23 01:05:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-23 01:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-23 01:05:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-23 01:05:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 01:05:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 01:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-23 01:05:01,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-23 01:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 01:05:01,181 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 01:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-23 01:05:01,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-23 01:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:05:01,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:05:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-23 01:05:01,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-23 01:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-23 01:05:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-23 01:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 01:05:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 01:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 01:05:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 01:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-23 01:05:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-23 01:05:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:05:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:05:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-23 01:05:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-23 01:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-23 01:05:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-23 01:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-23 01:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-23 01:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 01:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 01:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-23 01:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-23 01:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-23 01:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-23 01:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-23 01:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-23 01:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-23 01:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-23 01:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-23 01:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-23 01:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-07-23 01:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-23 01:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-23 01:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-23 01:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-23 01:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-23 01:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-23 01:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-23 01:05:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-23 01:05:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-23 01:05:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-23 01:05:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-23 01:05:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-23 01:05:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:05:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:05:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:05:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:05:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-23 01:05:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-23 01:05:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:05:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-23 01:05:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-23 01:05:01,879 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:05:01,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:05:02,036 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:05:44,051 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:05:44,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:05:44,070 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:05:44,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:05:44 BoogieIcfgContainer [2022-07-23 01:05:44,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:05:44,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:05:44,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:05:44,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:05:44,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:04:56" (1/3) ... [2022-07-23 01:05:44,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442d153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:05:44, skipping insertion in model container [2022-07-23 01:05:44,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:05:00" (2/3) ... [2022-07-23 01:05:44,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442d153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:05:44, skipping insertion in model container [2022-07-23 01:05:44,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:05:44" (3/3) ... [2022-07-23 01:05:44,085 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-23 01:05:44,096 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:05:44,097 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:05:44,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:05:44,222 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@54f7a48a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b88b706 [2022-07-23 01:05:44,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:05:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-07-23 01:05:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-23 01:05:44,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:05:44,258 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:05:44,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:05:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:05:44,262 INFO L85 PathProgramCache]: Analyzing trace with hash 743549358, now seen corresponding path program 1 times [2022-07-23 01:05:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:05:44,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181091977] [2022-07-23 01:05:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:05:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:05:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:05:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:05:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:05:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:05:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:05:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:05:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:05:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:05:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:05:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:05:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:05:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:05:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:05:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:05:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:05:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:05:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:05:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:05:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:05:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:05:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:05:45,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:05:45,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181091977] [2022-07-23 01:05:45,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181091977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:05:45,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:05:45,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:05:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095434129] [2022-07-23 01:05:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:05:45,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:05:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:05:45,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:05:45,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:05:46,004 INFO L87 Difference]: Start difference. First operand has 3335 states, 2252 states have (on average 1.4591474245115452) internal successors, (3286), 2318 states have internal predecessors, (3286), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 01:05:48,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:05:50,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:05:54,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:05:56,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:06:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:06:15,514 INFO L93 Difference]: Finished difference Result 7389 states and 12111 transitions. [2022-07-23 01:06:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:06:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-07-23 01:06:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:06:15,570 INFO L225 Difference]: With dead ends: 7389 [2022-07-23 01:06:15,570 INFO L226 Difference]: Without dead ends: 4045 [2022-07-23 01:06:15,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:06:15,617 INFO L413 NwaCegarLoop]: 4629 mSDtfsCounter, 2561 mSDsluCounter, 6359 mSDsCounter, 0 mSdLazyCounter, 2981 mSolverCounterSat, 2572 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 10988 SdHoareTripleChecker+Invalid, 5557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2572 IncrementalHoareTripleChecker+Valid, 2981 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:06:15,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 10988 Invalid, 5557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2572 Valid, 2981 Invalid, 4 Unknown, 0 Unchecked, 28.7s Time] [2022-07-23 01:06:15,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2022-07-23 01:06:15,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 3321. [2022-07-23 01:06:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3321 states, 2246 states have (on average 1.3000890471950133) internal successors, (2920), 2304 states have internal predecessors, (2920), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-07-23 01:06:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4725 transitions. [2022-07-23 01:06:15,872 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4725 transitions. Word has length 250 [2022-07-23 01:06:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:06:15,874 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 4725 transitions. [2022-07-23 01:06:15,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 01:06:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4725 transitions. [2022-07-23 01:06:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-23 01:06:15,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:06:15,886 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:06:15,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:06:15,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:06:15,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:06:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 566049344, now seen corresponding path program 1 times [2022-07-23 01:06:15,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:06:15,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481559240] [2022-07-23 01:06:15,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:06:15,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:06:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:06:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:06:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:06:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:06:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:06:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:06:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:06:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:06:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:06:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:06:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:06:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:06:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:06:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:06:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:06:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:06:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:06:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:06:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:06:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:06:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:06:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:06:16,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481559240] [2022-07-23 01:06:16,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481559240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:06:16,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:06:16,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:06:16,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346247022] [2022-07-23 01:06:16,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:06:16,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:06:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:06:16,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:06:16,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:06:16,981 INFO L87 Difference]: Start difference. First operand 3321 states and 4725 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-23 01:06:19,028 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 [] [2022-07-23 01:06:21,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:06:25,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:07:03,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:07:03,693 INFO L93 Difference]: Finished difference Result 11292 states and 16504 transitions. [2022-07-23 01:07:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:07:03,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-07-23 01:07:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:07:03,771 INFO L225 Difference]: With dead ends: 11292 [2022-07-23 01:07:03,772 INFO L226 Difference]: Without dead ends: 8014 [2022-07-23 01:07:03,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:07:03,803 INFO L413 NwaCegarLoop]: 5350 mSDtfsCounter, 10566 mSDsluCounter, 8709 mSDsCounter, 0 mSdLazyCounter, 5246 mSolverCounterSat, 6241 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11007 SdHoareTripleChecker+Valid, 14059 SdHoareTripleChecker+Invalid, 11490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6241 IncrementalHoareTripleChecker+Valid, 5246 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:07:03,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11007 Valid, 14059 Invalid, 11490 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6241 Valid, 5246 Invalid, 3 Unknown, 0 Unchecked, 45.5s Time] [2022-07-23 01:07:03,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-07-23 01:07:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 6564. [2022-07-23 01:07:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6564 states, 4447 states have (on average 1.3015516078255003) internal successors, (5788), 4557 states have internal predecessors, (5788), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 01:07:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9343 transitions. [2022-07-23 01:07:04,137 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9343 transitions. Word has length 250 [2022-07-23 01:07:04,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:07:04,138 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9343 transitions. [2022-07-23 01:07:04,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-23 01:07:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9343 transitions. [2022-07-23 01:07:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-23 01:07:04,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:07:04,145 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:07:04,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:07:04,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:07:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:07:04,146 INFO L85 PathProgramCache]: Analyzing trace with hash -452090653, now seen corresponding path program 1 times [2022-07-23 01:07:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:07:04,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560351189] [2022-07-23 01:07:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:07:04,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:07:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:07:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:07:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:07:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:07:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:07:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:07:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:07:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:07:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:07:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:07:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:07:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:07:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:07:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:07:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:07:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:07:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:07:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 01:07:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:07:05,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:07:05,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560351189] [2022-07-23 01:07:05,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560351189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:07:05,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:07:05,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:07:05,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707322303] [2022-07-23 01:07:05,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:07:05,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:07:05,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:07:05,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:07:05,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:07:05,188 INFO L87 Difference]: Start difference. First operand 6564 states and 9343 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 01:07:07,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:07:09,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:07:14,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:07:24,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:07:54,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:07:54,558 INFO L93 Difference]: Finished difference Result 22334 states and 32602 transitions. [2022-07-23 01:07:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:07:54,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-07-23 01:07:54,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:07:54,773 INFO L225 Difference]: With dead ends: 22334 [2022-07-23 01:07:54,773 INFO L226 Difference]: Without dead ends: 15813 [2022-07-23 01:07:54,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:07:54,866 INFO L413 NwaCegarLoop]: 7138 mSDtfsCounter, 9259 mSDsluCounter, 10617 mSDsCounter, 0 mSdLazyCounter, 5504 mSolverCounterSat, 5251 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9678 SdHoareTripleChecker+Valid, 17755 SdHoareTripleChecker+Invalid, 10757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5251 IncrementalHoareTripleChecker+Valid, 5504 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:07:54,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9678 Valid, 17755 Invalid, 10757 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5251 Valid, 5504 Invalid, 2 Unknown, 0 Unchecked, 47.9s Time] [2022-07-23 01:07:54,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15813 states. [2022-07-23 01:07:55,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15813 to 12909. [2022-07-23 01:07:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 8758 states have (on average 1.300753596711578) internal successors, (11392), 8966 states have internal predecessors, (11392), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-07-23 01:07:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 18347 transitions. [2022-07-23 01:07:55,855 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 18347 transitions. Word has length 257 [2022-07-23 01:07:55,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:07:55,856 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 18347 transitions. [2022-07-23 01:07:55,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 01:07:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 18347 transitions. [2022-07-23 01:07:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-23 01:07:55,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:07:55,860 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:07:55,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:07:55,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:07:55,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:07:55,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1341581725, now seen corresponding path program 1 times [2022-07-23 01:07:55,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:07:55,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613539963] [2022-07-23 01:07:55,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:07:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:07:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:07:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:07:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:07:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:07:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:07:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:07:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:07:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:07:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:07:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:07:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:07:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:07:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:07:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:07:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:07:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:07:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:07:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:07:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:07:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:07:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 01:07:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:07:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:07:57,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:07:57,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613539963] [2022-07-23 01:07:57,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613539963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:07:57,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:07:57,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:07:57,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953612826] [2022-07-23 01:07:57,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:07:57,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:07:57,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:07:57,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:07:57,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:07:57,027 INFO L87 Difference]: Start difference. First operand 12909 states and 18347 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:07:59,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:08:01,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:08:15,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:08:41,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:08:41,428 INFO L93 Difference]: Finished difference Result 42016 states and 61240 transitions. [2022-07-23 01:08:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:08:41,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2022-07-23 01:08:41,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:08:41,762 INFO L225 Difference]: With dead ends: 42016 [2022-07-23 01:08:41,763 INFO L226 Difference]: Without dead ends: 29150 [2022-07-23 01:08:41,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:08:41,811 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 8534 mSDsluCounter, 9117 mSDsCounter, 0 mSdLazyCounter, 5100 mSolverCounterSat, 5345 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8932 SdHoareTripleChecker+Valid, 14533 SdHoareTripleChecker+Invalid, 10448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5345 IncrementalHoareTripleChecker+Valid, 5100 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:08:41,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8932 Valid, 14533 Invalid, 10448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5345 Valid, 5100 Invalid, 3 Unknown, 0 Unchecked, 42.6s Time] [2022-07-23 01:08:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29150 states. [2022-07-23 01:08:42,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29150 to 23866. [2022-07-23 01:08:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23866 states, 16142 states have (on average 1.2978565233552224) internal successors, (20950), 16546 states have internal predecessors, (20950), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-07-23 01:08:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23866 states to 23866 states and 33831 transitions. [2022-07-23 01:08:42,812 INFO L78 Accepts]: Start accepts. Automaton has 23866 states and 33831 transitions. Word has length 264 [2022-07-23 01:08:42,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:08:42,816 INFO L495 AbstractCegarLoop]: Abstraction has 23866 states and 33831 transitions. [2022-07-23 01:08:42,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:08:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23866 states and 33831 transitions. [2022-07-23 01:08:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-23 01:08:42,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:08:42,821 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] [2022-07-23 01:08:42,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:08:42,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:08:42,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:08:42,822 INFO L85 PathProgramCache]: Analyzing trace with hash -455166264, now seen corresponding path program 1 times [2022-07-23 01:08:42,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:08:42,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74003405] [2022-07-23 01:08:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:08:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:08:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:08:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:08:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:08:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:08:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:08:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:08:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:08:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:08:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:08:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:08:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:08:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:08:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:08:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:08:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:08:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:08:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:08:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:08:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:08:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:08:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 01:08:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:08:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:08:43,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:08:43,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74003405] [2022-07-23 01:08:43,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74003405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:08:43,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:08:43,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:08:43,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385243459] [2022-07-23 01:08:43,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:08:43,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:08:43,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:08:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:08:43,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:08:43,882 INFO L87 Difference]: Start difference. First operand 23866 states and 33831 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, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:08:45,928 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 []