./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 6c24879c 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-?-6c24879 [2022-07-12 13:48:22,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:48:22,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:48:22,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:48:22,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:48:22,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:48:22,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:48:22,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:48:22,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:48:22,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:48:22,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:48:22,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:48:22,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:48:22,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:48:22,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:48:22,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:48:22,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:48:22,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:48:22,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:48:22,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:48:22,222 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:48:22,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:48:22,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:48:22,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:48:22,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:48:22,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:48:22,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:48:22,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:48:22,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:48:22,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:48:22,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:48:22,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:48:22,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:48:22,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:48:22,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:48:22,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:48:22,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:48:22,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:48:22,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:48:22,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:48:22,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:48:22,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:48:22,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:48:22,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:48:22,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:48:22,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:48:22,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:48:22,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:48:22,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:48:22,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:48:22,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:48:22,276 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:48:22,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:48:22,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:48:22,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:48:22,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:48:22,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:48:22,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:48:22,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:48:22,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:48:22,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:48:22,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:48:22,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:48:22,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:48:22,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:48:22,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:48:22,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:48:22,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:48:22,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:48:22,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:48:22,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:48:22,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:48:22,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:48:22,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-07-12 13:48:22,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:48:22,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:48:22,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:48:22,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:48:22,555 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:48:22,556 INFO L432 ainManager$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 [2022-07-12 13:48:22,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4edcf3/168681403c384ffc898d5a685dd021a6/FLAG84eb635c5 [2022-07-12 13:48:23,396 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:48:23,396 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 [2022-07-12 13:48:23,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4edcf3/168681403c384ffc898d5a685dd021a6/FLAG84eb635c5 [2022-07-12 13:48:23,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4edcf3/168681403c384ffc898d5a685dd021a6 [2022-07-12 13:48:23,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:48:23,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:48:23,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:48:23,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:48:23,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:48:23,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:48:23" (1/1) ... [2022-07-12 13:48:23,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6b9e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:23, skipping insertion in model container [2022-07-12 13:48:23,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:48:23" (1/1) ... [2022-07-12 13:48:23,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:48:23,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:48:26,400 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] [2022-07-12 13:48:26,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:48:26,628 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:48:27,118 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] [2022-07-12 13:48:27,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:48:27,380 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:48:27,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27 WrapperNode [2022-07-12 13:48:27,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:48:27,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:48:27,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:48:27,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:48:27,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,692 INFO L137 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 6234 [2022-07-12 13:48:27,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:48:27,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:48:27,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:48:27,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:48:27,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:27,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:28,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:48:28,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:48:28,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:48:28,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:48:28,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (1/1) ... [2022-07-12 13:48:28,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:48:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:48:28,040 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) [2022-07-12 13:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-12 13:48:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-12 13:48:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 13:48:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 13:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 13:48:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 13:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-12 13:48:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-12 13:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-12 13:48:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-12 13:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:48:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:48:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 13:48:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 13:48:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-12 13:48:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:48:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-12 13:48:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-12 13:48:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-12 13:48:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-12 13:48:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-12 13:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 13:48:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 13:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-12 13:48:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-12 13:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-12 13:48:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-12 13:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-12 13:48:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-12 13:48:28,128 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-12 13:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-12 13:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-12 13:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-12 13:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 13:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 13:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-12 13:48:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-12 13:48:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:48:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-12 13:48:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-12 13:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-12 13:48:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-12 13:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-12 13:48:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-12 13:48:28,130 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:48:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-12 13:48:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-12 13:48:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-12 13:48:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-12 13:48:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-12 13:48:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-12 13:48:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-12 13:48:28,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-12 13:48:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 13:48:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 13:48:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-12 13:48:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-12 13:48:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 13:48:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 13:48:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 13:48:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 13:48:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 13:48:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 13:48:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:48:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:48:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-12 13:48:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-12 13:48:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:48:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:48:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-12 13:48:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-12 13:48:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:48:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-12 13:48:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-12 13:48:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 13:48:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 13:48:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-12 13:48:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-12 13:48:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:48:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:48:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-12 13:48:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-12 13:48:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 13:48:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 13:48:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 13:48:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 13:48:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-12 13:48:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-12 13:48:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:48:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-12 13:48:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-12 13:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:48:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 13:48:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 13:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:48:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:48:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:48:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-12 13:48:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-12 13:48:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 13:48:28,108 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 [2022-07-12 13:48:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 13:48:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-12 13:48:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-12 13:48:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 13:48:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 13:48:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-12 13:48:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-12 13:48:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 13:48:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 13:48:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-12 13:48:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-12 13:48:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-12 13:48:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-12 13:48:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-12 13:48:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-12 13:48:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-12 13:48:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-12 13:48:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-12 13:48:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-12 13:48:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:48:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:48:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-12 13:48:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-12 13:48:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-12 13:48:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-12 13:48:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 13:48:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 13:48:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-12 13:48:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-12 13:48:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-12 13:48:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-12 13:48:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:48:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-12 13:48:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-12 13:48:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-12 13:48:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-12 13:48:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-12 13:48:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-12 13:48:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:48:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 13:48:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 13:48:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-12 13:48:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-12 13:48:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 13:48:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 13:48:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:48:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:48:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:48:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-12 13:48:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-12 13:48:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:48:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:48:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-12 13:48:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-12 13:48:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 13:48:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 13:48:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-12 13:48:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-12 13:48:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 13:48:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 13:48:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-12 13:48:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-12 13:48:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-12 13:48:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-12 13:48:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 13:48:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 13:48:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-12 13:48:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-12 13:48:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-12 13:48:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-12 13:48:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 13:48:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 13:48:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-12 13:48:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-12 13:48:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:48:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:48:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-12 13:48:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-12 13:48:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:48:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:48:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:48:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:48:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 13:48:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 13:48:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 13:48:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 13:48:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 13:48:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 13:48:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:48:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:48:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:48:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:48:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 13:48:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 13:48:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-12 13:48:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-12 13:48:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 13:48:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 13:48:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 13:48:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 13:48:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-12 13:48:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-12 13:48:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-12 13:48:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-12 13:48:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-12 13:48:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-12 13:48:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-12 13:48:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-12 13:48:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:48:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:48:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-12 13:48:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-12 13:48:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 13:48:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 13:48:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:48:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:48:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 13:48:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 13:48:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:48:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:48:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:48:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:48:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 13:48:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 13:48:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:48:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:48:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-12 13:48:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-12 13:48:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-12 13:48:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-12 13:48:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-12 13:48:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-12 13:48:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 13:48:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 13:48:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:48:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-12 13:48:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-12 13:48:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:48:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:48:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-12 13:48:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-12 13:48:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 13:48:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 13:48:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:48:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-12 13:48:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-12 13:48:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-12 13:48:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-12 13:48:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-12 13:48:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-12 13:48:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:48:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-12 13:48:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-12 13:48:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-12 13:48:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-12 13:48:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:48:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:48:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 13:48:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 13:48:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-12 13:48:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-12 13:48:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 13:48:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 13:48:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-12 13:48:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-12 13:48:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-12 13:48:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-12 13:48:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-12 13:48:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-12 13:48:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-12 13:48:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-12 13:48:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-12 13:48:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-12 13:48:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 13:48:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 13:48:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-12 13:48:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-12 13:48:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 13:48:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 13:48:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-12 13:48:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-12 13:48:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 13:48:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 13:48:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-12 13:48:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-12 13:48:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-12 13:48:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-12 13:48:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 13:48:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 13:48:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 13:48:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 13:48:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-12 13:48:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-12 13:48:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 13:48:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 13:48:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:48:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:48:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-12 13:48:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-12 13:48:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-12 13:48:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-12 13:48:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:48:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-12 13:48:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-12 13:48:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 13:48:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 13:48:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:48:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:48:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-12 13:48:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-12 13:48:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-12 13:48:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-12 13:48:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-12 13:48:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-12 13:48:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-12 13:48:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-12 13:48:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:48:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:48:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-12 13:48:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-12 13:48:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-07-12 13:48:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-07-12 13:48:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-12 13:48:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-12 13:48:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-12 13:48:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-12 13:48:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-12 13:48:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-12 13:48:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 13:48:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 13:48:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-12 13:48:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-12 13:48:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-12 13:48:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-12 13:48:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-12 13:48:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-12 13:48:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-12 13:48:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-12 13:48:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:48:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:48:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:48:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:48:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-12 13:48:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-12 13:48:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:48:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-12 13:48:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-12 13:48:29,134 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:48:29,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:48:29,314 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:49:10,569 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:49:10,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:49:10,613 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:49:10,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:49:10 BoogieIcfgContainer [2022-07-12 13:49:10,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:49:10,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:49:10,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:49:10,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:49:10,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:48:23" (1/3) ... [2022-07-12 13:49:10,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e63b0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:49:10, skipping insertion in model container [2022-07-12 13:49:10,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:48:27" (2/3) ... [2022-07-12 13:49:10,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e63b0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:49:10, skipping insertion in model container [2022-07-12 13:49:10,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:49:10" (3/3) ... [2022-07-12 13:49:10,632 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-12 13:49:10,650 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:49:10,651 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:49:10,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:49:10,774 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@4af7e9ca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bf749b4 [2022-07-12 13:49:10,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:49:10,788 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) [2022-07-12 13:49:10,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-12 13:49:10,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:49:10,807 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] [2022-07-12 13:49:10,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:49:10,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:49:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash 743549358, now seen corresponding path program 1 times [2022-07-12 13:49:10,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:49:10,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127940736] [2022-07-12 13:49:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:49:10,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:49:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:49:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:49:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:49:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:49:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:49:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:49:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:49:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:49:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:49:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:49:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:49:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:49:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:49:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:49:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:49:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:49:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:49:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:49:12,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:49:12,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127940736] [2022-07-12 13:49:12,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127940736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:49:12,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:49:12,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:49:12,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499250404] [2022-07-12 13:49:12,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:49:12,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:49:12,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:49:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:49:12,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:49:12,650 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) [2022-07-12 13:49:14,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:17,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:22,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:41,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:49:41,630 INFO L93 Difference]: Finished difference Result 7389 states and 12111 transitions. [2022-07-12 13:49:41,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:49:41,633 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 [2022-07-12 13:49:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:49:41,698 INFO L225 Difference]: With dead ends: 7389 [2022-07-12 13:49:41,698 INFO L226 Difference]: Without dead ends: 4045 [2022-07-12 13:49:41,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:49:41,754 INFO L413 NwaCegarLoop]: 4650 mSDtfsCounter, 2561 mSDsluCounter, 6382 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 2580 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 11032 SdHoareTripleChecker+Invalid, 5563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:49:41,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 11032 Invalid, 5563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2580 Valid, 2980 Invalid, 3 Unknown, 0 Unchecked, 28.1s Time] [2022-07-12 13:49:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2022-07-12 13:49:41,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 3321. [2022-07-12 13:49:41,985 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) [2022-07-12 13:49:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4725 transitions. [2022-07-12 13:49:42,020 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4725 transitions. Word has length 250 [2022-07-12 13:49:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:49:42,021 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 4725 transitions. [2022-07-12 13:49:42,021 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) [2022-07-12 13:49:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4725 transitions. [2022-07-12 13:49:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-12 13:49:42,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:49:42,027 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] [2022-07-12 13:49:42,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:49:42,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:49:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:49:42,028 INFO L85 PathProgramCache]: Analyzing trace with hash 566049344, now seen corresponding path program 1 times [2022-07-12 13:49:42,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:49:42,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778516816] [2022-07-12 13:49:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:49:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:49:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:49:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:49:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:49:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:49:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:49:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:49:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:49:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:49:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:49:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:49:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:49:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:49:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:49:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:49:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:49:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:49:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:49:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:49:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:49:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:49:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:49:43,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:49:43,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778516816] [2022-07-12 13:49:43,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778516816] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:49:43,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:49:43,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:49:43,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490504320] [2022-07-12 13:49:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:49:43,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:49:43,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:49:43,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:49:43,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:49:43,336 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) [2022-07-12 13:49:45,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:47,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:51,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:49:53,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:50:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:50:31,717 INFO L93 Difference]: Finished difference Result 11292 states and 16504 transitions. [2022-07-12 13:50:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:50:31,717 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 [2022-07-12 13:50:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:50:31,802 INFO L225 Difference]: With dead ends: 11292 [2022-07-12 13:50:31,802 INFO L226 Difference]: Without dead ends: 8014 [2022-07-12 13:50:31,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:50:31,831 INFO L413 NwaCegarLoop]: 5288 mSDtfsCounter, 10606 mSDsluCounter, 8608 mSDsCounter, 0 mSdLazyCounter, 5243 mSolverCounterSat, 6293 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11056 SdHoareTripleChecker+Valid, 13896 SdHoareTripleChecker+Invalid, 11538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6293 IncrementalHoareTripleChecker+Valid, 5243 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:50:31,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11056 Valid, 13896 Invalid, 11538 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6293 Valid, 5243 Invalid, 2 Unknown, 0 Unchecked, 47.2s Time] [2022-07-12 13:50:31,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-07-12 13:50:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 6564. [2022-07-12 13:50:32,121 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) [2022-07-12 13:50:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9343 transitions. [2022-07-12 13:50:32,169 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9343 transitions. Word has length 250 [2022-07-12 13:50:32,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:50:32,172 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9343 transitions. [2022-07-12 13:50:32,173 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) [2022-07-12 13:50:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9343 transitions. [2022-07-12 13:50:32,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-12 13:50:32,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:50:32,179 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] [2022-07-12 13:50:32,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:50:32,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:50:32,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:50:32,180 INFO L85 PathProgramCache]: Analyzing trace with hash -452090653, now seen corresponding path program 1 times [2022-07-12 13:50:32,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:50:32,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773569520] [2022-07-12 13:50:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:50:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:50:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:50:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:50:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:50:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:50:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:50:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:50:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:50:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:50:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:50:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:50:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:50:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:50:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:50:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:50:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:50:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:50:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:50:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:50:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:50:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 13:50:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:50:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:50:33,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:50:33,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773569520] [2022-07-12 13:50:33,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773569520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:50:33,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:50:33,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:50:33,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790095415] [2022-07-12 13:50:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:50:33,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:50:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:50:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:50:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:50:33,349 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) [2022-07-12 13:50:35,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:50:37,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:50:43,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:51:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:51:23,392 INFO L93 Difference]: Finished difference Result 22334 states and 32602 transitions. [2022-07-12 13:51:23,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:51:23,393 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 [2022-07-12 13:51:23,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:51:23,603 INFO L225 Difference]: With dead ends: 22334 [2022-07-12 13:51:23,604 INFO L226 Difference]: Without dead ends: 15813 [2022-07-12 13:51:23,660 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 [2022-07-12 13:51:23,661 INFO L413 NwaCegarLoop]: 7042 mSDtfsCounter, 9274 mSDsluCounter, 10375 mSDsCounter, 0 mSdLazyCounter, 5496 mSolverCounterSat, 5258 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9702 SdHoareTripleChecker+Valid, 17417 SdHoareTripleChecker+Invalid, 10757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5258 IncrementalHoareTripleChecker+Valid, 5496 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:51:23,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9702 Valid, 17417 Invalid, 10757 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5258 Valid, 5496 Invalid, 3 Unknown, 0 Unchecked, 48.7s Time] [2022-07-12 13:51:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15813 states. [2022-07-12 13:51:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15813 to 12909. [2022-07-12 13:51:24,420 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) [2022-07-12 13:51:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 18347 transitions. [2022-07-12 13:51:24,553 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 18347 transitions. Word has length 257 [2022-07-12 13:51:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:51:24,555 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 18347 transitions. [2022-07-12 13:51:24,556 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) [2022-07-12 13:51:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 18347 transitions. [2022-07-12 13:51:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-12 13:51:24,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:51:24,563 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] [2022-07-12 13:51:24,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:51:24,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:51:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:51:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1341581725, now seen corresponding path program 1 times [2022-07-12 13:51:24,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:51:24,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600817936] [2022-07-12 13:51:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:51:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:51:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:51:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:51:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:51:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:51:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:51:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:51:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:51:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:51:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:51:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:51:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:51:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:51:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:51:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:51:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:51:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:51:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:51:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:51:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:51:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 13:51:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 13:51:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:51:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:51:25,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:51:25,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600817936] [2022-07-12 13:51:25,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600817936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:51:25,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:51:25,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:51:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825693137] [2022-07-12 13:51:25,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:51:25,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:51:25,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:51:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:51:25,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:51:25,829 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) [2022-07-12 13:51:27,898 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 [] [2022-07-12 13:51:30,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:51:35,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:51:48,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:52:14,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:52:14,272 INFO L93 Difference]: Finished difference Result 42016 states and 61240 transitions. [2022-07-12 13:52:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:52:14,273 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 [2022-07-12 13:52:14,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:52:14,536 INFO L225 Difference]: With dead ends: 42016 [2022-07-12 13:52:14,536 INFO L226 Difference]: Without dead ends: 29150 [2022-07-12 13:52:14,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:52:14,634 INFO L413 NwaCegarLoop]: 5501 mSDtfsCounter, 8449 mSDsluCounter, 9110 mSDsCounter, 0 mSdLazyCounter, 5130 mSolverCounterSat, 5326 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8846 SdHoareTripleChecker+Valid, 14611 SdHoareTripleChecker+Invalid, 10459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5326 IncrementalHoareTripleChecker+Valid, 5130 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:52:14,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8846 Valid, 14611 Invalid, 10459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5326 Valid, 5130 Invalid, 3 Unknown, 0 Unchecked, 46.7s Time] [2022-07-12 13:52:14,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29150 states. [2022-07-12 13:52:15,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29150 to 23866. [2022-07-12 13:52:15,923 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) [2022-07-12 13:52:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23866 states to 23866 states and 33831 transitions. [2022-07-12 13:52:16,130 INFO L78 Accepts]: Start accepts. Automaton has 23866 states and 33831 transitions. Word has length 264 [2022-07-12 13:52:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:52:16,131 INFO L495 AbstractCegarLoop]: Abstraction has 23866 states and 33831 transitions. [2022-07-12 13:52:16,131 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) [2022-07-12 13:52:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 23866 states and 33831 transitions. [2022-07-12 13:52:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 13:52:16,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:52:16,136 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] [2022-07-12 13:52:16,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 13:52:16,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:52:16,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:52:16,137 INFO L85 PathProgramCache]: Analyzing trace with hash 725640457, now seen corresponding path program 1 times [2022-07-12 13:52:16,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:52:16,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304147730] [2022-07-12 13:52:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:52:16,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:52:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:52:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:52:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:52:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:52:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:52:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:52:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:52:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:52:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:52:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:52:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:52:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:52:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:52:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:52:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:52:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:52:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:52:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:52:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:52:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 13:52:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 13:52:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:52:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:52:17,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:52:17,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304147730] [2022-07-12 13:52:17,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304147730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:52:17,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:52:17,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:52:17,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020004053] [2022-07-12 13:52:17,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:52:17,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:52:17,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:52:17,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:52:17,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:52:17,393 INFO L87 Difference]: Start difference. First operand 23866 states and 33831 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-07-12 13:52:19,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []