./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 eb692b52 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-?-eb692b5 [2022-07-20 00:50:41,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:50:41,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:50:41,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:50:41,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:50:41,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:50:41,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:50:41,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:50:41,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:50:41,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:50:41,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:50:41,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:50:41,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:50:41,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:50:41,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:50:41,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:50:41,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:50:41,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:50:41,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:50:41,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:50:41,444 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:50:41,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:50:41,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:50:41,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:50:41,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:50:41,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:50:41,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:50:41,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:50:41,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:50:41,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:50:41,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:50:41,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:50:41,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:50:41,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:50:41,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:50:41,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:50:41,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:50:41,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:50:41,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:50:41,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:50:41,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:50:41,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:50:41,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:50:41,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:50:41,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:50:41,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:50:41,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:50:41,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:50:41,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:50:41,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:50:41,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:50:41,477 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:50:41,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:50:41,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:50:41,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:50:41,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:50:41,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:50:41,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:50:41,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-07-20 00:50:41,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:50:41,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:50:41,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:50:41,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:50:41,689 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:50:41,690 INFO L432 ainManager$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 [2022-07-20 00:50:41,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1405f6cf3/4486d874e5064b95b5c5bad037eda934/FLAGc8d87fc9c [2022-07-20 00:50:42,367 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:50:42,367 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 [2022-07-20 00:50:42,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1405f6cf3/4486d874e5064b95b5c5bad037eda934/FLAGc8d87fc9c [2022-07-20 00:50:42,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1405f6cf3/4486d874e5064b95b5c5bad037eda934 [2022-07-20 00:50:42,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:50:42,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:50:42,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:50:42,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:50:42,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:50:42,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:50:42" (1/1) ... [2022-07-20 00:50:42,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587c7016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:42, skipping insertion in model container [2022-07-20 00:50:42,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:50:42" (1/1) ... [2022-07-20 00:50:42,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:50:42,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:50:44,224 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] [2022-07-20 00:50:44,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:50:44,348 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:50:44,692 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] [2022-07-20 00:50:44,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:50:44,867 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:50:44,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44 WrapperNode [2022-07-20 00:50:44,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:50:44,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:50:44,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:50:44,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:50:44,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:44,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,129 INFO L137 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 6234 [2022-07-20 00:50:45,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:50:45,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:50:45,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:50:45,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:50:45,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:50:45,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:50:45,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:50:45,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:50:45,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (1/1) ... [2022-07-20 00:50:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:50:45,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:50:45,538 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) [2022-07-20 00:50:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-20 00:50:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-20 00:50:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 00:50:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 00:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 00:50:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 00:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-20 00:50:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-20 00:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-20 00:50:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-20 00:50:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:50:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:50:45,556 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 [2022-07-20 00:50:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 00:50:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 00:50:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 00:50:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 00:50:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-20 00:50:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-20 00:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-20 00:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-20 00:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 00:50:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 00:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-20 00:50:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-20 00:50:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:50:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-20 00:50:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-20 00:50:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-20 00:50:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-20 00:50:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-20 00:50:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-20 00:50:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 00:50:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-20 00:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 00:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 00:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 00:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 00:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-20 00:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-20 00:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 00:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 00:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-20 00:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-20 00:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-20 00:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-20 00:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-20 00:50:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-20 00:50:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-20 00:50:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-20 00:50:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-20 00:50:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-20 00:50:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 00:50:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 00:50:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-20 00:50:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-07-20 00:50:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:50:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:50:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-20 00:50:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-20 00:50:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 00:50:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 00:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-20 00:50:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-20 00:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-20 00:50:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-20 00:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 00:50:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 00:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 00:50:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 00:50:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-20 00:50:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-20 00:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:50:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:50:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-20 00:50:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-20 00:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-20 00:50:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-20 00:50:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-20 00:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-20 00:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 00:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 00:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-20 00:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-20 00:50:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-20 00:50:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-20 00:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-20 00:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-20 00:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-20 00:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-20 00:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-20 00:50:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-20 00:50:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-07-20 00:50:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-07-20 00:50:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-20 00:50:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-20 00:50:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-20 00:50:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-20 00:50:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-20 00:50:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-07-20 00:50:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-20 00:50:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-20 00:50:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-20 00:50:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-20 00:50:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-20 00:50:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-20 00:50:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-20 00:50:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-20 00:50:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-20 00:50:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-20 00:50:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:50:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:50:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:50:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:50:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-20 00:50:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-20 00:50:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:50:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-20 00:50:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-20 00:50:46,293 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:50:46,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:50:46,426 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:51:27,021 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:51:27,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:51:27,056 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:51:27,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:51:27 BoogieIcfgContainer [2022-07-20 00:51:27,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:51:27,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:51:27,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:51:27,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:51:27,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:50:42" (1/3) ... [2022-07-20 00:51:27,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:51:27, skipping insertion in model container [2022-07-20 00:51:27,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:50:44" (2/3) ... [2022-07-20 00:51:27,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:51:27, skipping insertion in model container [2022-07-20 00:51:27,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:51:27" (3/3) ... [2022-07-20 00:51:27,080 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-20 00:51:27,089 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:51:27,090 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:51:27,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:51:27,171 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@637ce351, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b1dc83f [2022-07-20 00:51:27,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:51:27,181 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) [2022-07-20 00:51:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 00:51:27,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:51:27,207 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] [2022-07-20 00:51:27,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:51:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:51:27,216 INFO L85 PathProgramCache]: Analyzing trace with hash 743549358, now seen corresponding path program 1 times [2022-07-20 00:51:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:51:27,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289272683] [2022-07-20 00:51:27,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:51:27,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:51:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:51:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:51:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:51:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:51:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:51:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:51:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:51:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:51:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:51:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:51:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:51:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:51:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:51:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:51:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:51:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:51:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:51:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:51:28,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:51:28,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289272683] [2022-07-20 00:51:28,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289272683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:51:28,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:51:28,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:51:28,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64648578] [2022-07-20 00:51:28,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:51:28,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:51:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:51:28,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:51:28,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:51:28,471 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) [2022-07-20 00:51:30,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:51:32,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:51:36,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:51:38,156 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 [] [2022-07-20 00:51:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:51:54,928 INFO L93 Difference]: Finished difference Result 7389 states and 12111 transitions. [2022-07-20 00:51:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:51:54,930 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 [2022-07-20 00:51:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:51:54,995 INFO L225 Difference]: With dead ends: 7389 [2022-07-20 00:51:54,995 INFO L226 Difference]: Without dead ends: 4045 [2022-07-20 00:51:55,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:51:55,037 INFO L413 NwaCegarLoop]: 4644 mSDtfsCounter, 2561 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 2572 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 11029 SdHoareTripleChecker+Invalid, 5557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2572 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:51:55,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 11029 Invalid, 5557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2572 Valid, 2982 Invalid, 3 Unknown, 0 Unchecked, 25.7s Time] [2022-07-20 00:51:55,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4045 states. [2022-07-20 00:51:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4045 to 3321. [2022-07-20 00:51:55,256 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) [2022-07-20 00:51:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4725 transitions. [2022-07-20 00:51:55,293 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4725 transitions. Word has length 250 [2022-07-20 00:51:55,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:51:55,294 INFO L495 AbstractCegarLoop]: Abstraction has 3321 states and 4725 transitions. [2022-07-20 00:51:55,294 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) [2022-07-20 00:51:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4725 transitions. [2022-07-20 00:51:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 00:51:55,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:51:55,300 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] [2022-07-20 00:51:55,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:51:55,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:51:55,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:51:55,302 INFO L85 PathProgramCache]: Analyzing trace with hash 566049344, now seen corresponding path program 1 times [2022-07-20 00:51:55,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:51:55,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641709071] [2022-07-20 00:51:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:51:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:51:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:51:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:51:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:51:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:51:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:51:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:51:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:51:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:51:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:51:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:51:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:51:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:51:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:51:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:51:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:51:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:51:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:51:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:51:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:51:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:51:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:51:56,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:51:56,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641709071] [2022-07-20 00:51:56,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641709071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:51:56,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:51:56,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:51:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293775561] [2022-07-20 00:51:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:51:56,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:51:56,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:51:56,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:51:56,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:51:56,292 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) [2022-07-20 00:51:58,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:52:00,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:52:06,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:52:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:52:46,394 INFO L93 Difference]: Finished difference Result 11292 states and 16504 transitions. [2022-07-20 00:52:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:52:46,395 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 [2022-07-20 00:52:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:52:46,469 INFO L225 Difference]: With dead ends: 11292 [2022-07-20 00:52:46,469 INFO L226 Difference]: Without dead ends: 8014 [2022-07-20 00:52:46,497 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 [2022-07-20 00:52:46,500 INFO L413 NwaCegarLoop]: 5355 mSDtfsCounter, 10542 mSDsluCounter, 8726 mSDsCounter, 0 mSdLazyCounter, 5250 mSolverCounterSat, 6239 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10993 SdHoareTripleChecker+Valid, 14081 SdHoareTripleChecker+Invalid, 11492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6239 IncrementalHoareTripleChecker+Valid, 5250 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:52:46,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10993 Valid, 14081 Invalid, 11492 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6239 Valid, 5250 Invalid, 3 Unknown, 0 Unchecked, 48.8s Time] [2022-07-20 00:52:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-07-20 00:52:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 6564. [2022-07-20 00:52:46,776 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) [2022-07-20 00:52:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6564 states to 6564 states and 9343 transitions. [2022-07-20 00:52:46,813 INFO L78 Accepts]: Start accepts. Automaton has 6564 states and 9343 transitions. Word has length 250 [2022-07-20 00:52:46,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:52:46,816 INFO L495 AbstractCegarLoop]: Abstraction has 6564 states and 9343 transitions. [2022-07-20 00:52:46,816 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) [2022-07-20 00:52:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 6564 states and 9343 transitions. [2022-07-20 00:52:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-20 00:52:46,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:52:46,821 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:52:46,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:52:46,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:52:46,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:52:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash -452090653, now seen corresponding path program 1 times [2022-07-20 00:52:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:52:46,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447549725] [2022-07-20 00:52:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:52:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:52:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:52:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:52:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:52:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:52:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:52:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:52:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:52:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:52:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:52:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:52:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:52:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:52:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:52:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:52:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:52:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:52:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:52:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:52:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:52:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:52:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:52:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:52:48,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:52:48,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447549725] [2022-07-20 00:52:48,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447549725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:52:48,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:52:48,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:52:48,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364584666] [2022-07-20 00:52:48,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:52:48,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:52:48,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:52:48,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:52:48,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:52:48,184 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) [2022-07-20 00:52:50,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:52:52,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:52:57,348 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 [] [2022-07-20 00:53:34,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:53:34,586 INFO L93 Difference]: Finished difference Result 22334 states and 32602 transitions. [2022-07-20 00:53:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:53:34,587 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 [2022-07-20 00:53:34,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:53:34,752 INFO L225 Difference]: With dead ends: 22334 [2022-07-20 00:53:34,752 INFO L226 Difference]: Without dead ends: 15813 [2022-07-20 00:53:34,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:53:34,817 INFO L413 NwaCegarLoop]: 7045 mSDtfsCounter, 9284 mSDsluCounter, 10406 mSDsCounter, 0 mSdLazyCounter, 5482 mSolverCounterSat, 5264 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 17451 SdHoareTripleChecker+Invalid, 10749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5264 IncrementalHoareTripleChecker+Valid, 5482 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:53:34,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 17451 Invalid, 10749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5264 Valid, 5482 Invalid, 3 Unknown, 0 Unchecked, 45.2s Time] [2022-07-20 00:53:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15813 states. [2022-07-20 00:53:35,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15813 to 12909. [2022-07-20 00:53:35,369 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) [2022-07-20 00:53:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 18347 transitions. [2022-07-20 00:53:35,462 INFO L78 Accepts]: Start accepts. Automaton has 12909 states and 18347 transitions. Word has length 257 [2022-07-20 00:53:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:53:35,464 INFO L495 AbstractCegarLoop]: Abstraction has 12909 states and 18347 transitions. [2022-07-20 00:53:35,464 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) [2022-07-20 00:53:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12909 states and 18347 transitions. [2022-07-20 00:53:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 00:53:35,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:53:35,469 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] [2022-07-20 00:53:35,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:53:35,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:53:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:53:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1341581725, now seen corresponding path program 1 times [2022-07-20 00:53:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:53:35,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917824854] [2022-07-20 00:53:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:53:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:53:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:53:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:53:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:53:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:53:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:53:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:53:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:53:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:53:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:53:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:53:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:53:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:53:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:53:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:53:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:53:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:53:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:53:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:53:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:53:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 00:53:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 00:53:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:53:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:53:36,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:53:36,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917824854] [2022-07-20 00:53:36,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917824854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:53:36,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:53:36,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:53:36,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136684094] [2022-07-20 00:53:36,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:53:36,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:53:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:53:36,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:53:36,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:53:36,533 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) [2022-07-20 00:53:38,585 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 [] [2022-07-20 00:53:40,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:54:20,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:54:20,558 INFO L93 Difference]: Finished difference Result 42016 states and 61240 transitions. [2022-07-20 00:54:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:54:20,558 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 [2022-07-20 00:54:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:54:20,795 INFO L225 Difference]: With dead ends: 42016 [2022-07-20 00:54:20,795 INFO L226 Difference]: Without dead ends: 29150 [2022-07-20 00:54:20,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:54:20,885 INFO L413 NwaCegarLoop]: 5502 mSDtfsCounter, 8446 mSDsluCounter, 9091 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 5332 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8848 SdHoareTripleChecker+Valid, 14593 SdHoareTripleChecker+Invalid, 10461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5332 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:54:20,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8848 Valid, 14593 Invalid, 10461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5332 Valid, 5127 Invalid, 2 Unknown, 0 Unchecked, 42.4s Time] [2022-07-20 00:54:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29150 states. [2022-07-20 00:54:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29150 to 23866. [2022-07-20 00:54:21,969 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) [2022-07-20 00:54:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23866 states to 23866 states and 33831 transitions. [2022-07-20 00:54:22,121 INFO L78 Accepts]: Start accepts. Automaton has 23866 states and 33831 transitions. Word has length 264 [2022-07-20 00:54:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:54:22,121 INFO L495 AbstractCegarLoop]: Abstraction has 23866 states and 33831 transitions. [2022-07-20 00:54:22,122 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) [2022-07-20 00:54:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23866 states and 33831 transitions. [2022-07-20 00:54:22,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-20 00:54:22,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:54:22,125 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:54:22,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:54:22,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:54:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:54:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1171477587, now seen corresponding path program 1 times [2022-07-20 00:54:22,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:54:22,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249695359] [2022-07-20 00:54:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:54:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:54:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:54:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:54:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:54:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:54:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:54:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:54:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:54:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:54:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:54:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:54:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:54:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:54:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:54:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:54:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:54:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:54:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:54:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 00:54:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 00:54:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:54:23,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:54:23,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249695359] [2022-07-20 00:54:23,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249695359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:54:23,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:54:23,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:54:23,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003583788] [2022-07-20 00:54:23,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:54:23,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:54:23,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:54:23,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:54:23,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:54:23,090 INFO L87 Difference]: Start difference. First operand 23866 states and 33831 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:54:25,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:54:55,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:54:55,291 INFO L93 Difference]: Finished difference Result 79423 states and 115820 transitions. [2022-07-20 00:54:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:54:55,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 271 [2022-07-20 00:54:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:54:55,848 INFO L225 Difference]: With dead ends: 79423 [2022-07-20 00:54:55,848 INFO L226 Difference]: Without dead ends: 55610 [2022-07-20 00:54:56,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:54:56,008 INFO L413 NwaCegarLoop]: 5580 mSDtfsCounter, 11749 mSDsluCounter, 6684 mSDsCounter, 0 mSdLazyCounter, 4028 mSolverCounterSat, 8034 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12131 SdHoareTripleChecker+Valid, 12264 SdHoareTripleChecker+Invalid, 12063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8034 IncrementalHoareTripleChecker+Valid, 4028 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:54:56,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12131 Valid, 12264 Invalid, 12063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8034 Valid, 4028 Invalid, 1 Unknown, 0 Unchecked, 30.0s Time] [2022-07-20 00:54:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55610 states. [2022-07-20 00:54:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55610 to 47324. [2022-07-20 00:54:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47324 states, 32031 states have (on average 1.291373981455465) internal successors, (41364), 32809 states have internal predecessors, (41364), 12593 states have call successors, (12593), 2476 states have call predecessors, (12593), 2699 states have return successors, (14424), 12582 states have call predecessors, (14424), 12586 states have call successors, (14424) [2022-07-20 00:54:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47324 states to 47324 states and 68381 transitions. [2022-07-20 00:54:58,450 INFO L78 Accepts]: Start accepts. Automaton has 47324 states and 68381 transitions. Word has length 271 [2022-07-20 00:54:58,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:54:58,451 INFO L495 AbstractCegarLoop]: Abstraction has 47324 states and 68381 transitions. [2022-07-20 00:54:58,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:54:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47324 states and 68381 transitions. [2022-07-20 00:54:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-20 00:54:58,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:54:58,454 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:54:58,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:54:58,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:54:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:54:58,455 INFO L85 PathProgramCache]: Analyzing trace with hash -318660636, now seen corresponding path program 1 times [2022-07-20 00:54:58,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:54:58,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036234095] [2022-07-20 00:54:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:54:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:54:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:54:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:54:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:54:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:54:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:54:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:54:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:54:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:54:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:54:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:54:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:54:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:54:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:54:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:54:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:54:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:54:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:54:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:54:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:54:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:54:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:54:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2022-07-20 00:54:59,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:54:59,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036234095] [2022-07-20 00:54:59,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036234095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:54:59,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:54:59,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:54:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129056247] [2022-07-20 00:54:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:54:59,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:54:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:54:59,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:54:59,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:54:59,692 INFO L87 Difference]: Start difference. First operand 47324 states and 68381 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:55:01,740 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 []