./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:23:30,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:23:30,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:23:30,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:23:30,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:23:30,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:23:30,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:23:30,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:23:30,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:23:30,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:23:30,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:23:30,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:23:30,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:23:30,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:23:30,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:23:30,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:23:30,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:23:30,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:23:30,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:23:30,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:23:30,396 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:23:30,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:23:30,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:23:30,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:23:30,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:23:30,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:23:30,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:23:30,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:23:30,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:23:30,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:23:30,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:23:30,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:23:30,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:23:30,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:23:30,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:23:30,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:23:30,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:23:30,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:23:30,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:23:30,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:23:30,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:23:30,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:23:30,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:23:30,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:23:30,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:23:30,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:23:30,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:23:30,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:23:30,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:23:30,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:23:30,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:23:30,429 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:23:30,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:23:30,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:23:30,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:23:30,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:23:30,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:23:30,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:23:30,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:23:30,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:23:30,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:23:30,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:23:30,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:23:30,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:23:30,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:23:30,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:23:30,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:23:30,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:23:30,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:23:30,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:23:30,433 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:23:30,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:23:30,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:23:30,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-07-20 01:23:30,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:23:30,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:23:30,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:23:30,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:23:30,637 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:23:30,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-20 01:23:30,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f455c633/be1999fc3ebd447b88a4bc38096b77a9/FLAGe7999c1a5 [2022-07-20 01:23:31,358 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:23:31,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-20 01:23:31,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f455c633/be1999fc3ebd447b88a4bc38096b77a9/FLAGe7999c1a5 [2022-07-20 01:23:31,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f455c633/be1999fc3ebd447b88a4bc38096b77a9 [2022-07-20 01:23:31,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:23:31,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:23:31,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:23:31,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:23:31,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:23:31,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:23:31" (1/1) ... [2022-07-20 01:23:31,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139b7398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:31, skipping insertion in model container [2022-07-20 01:23:31,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:23:31" (1/1) ... [2022-07-20 01:23:31,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:23:31,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:23:33,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-20 01:23:34,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:23:34,104 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:23:34,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-20 01:23:34,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:23:34,820 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:23:34,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34 WrapperNode [2022-07-20 01:23:34,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:23:34,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:23:34,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:23:34,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:23:34,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:34,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,060 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5938 [2022-07-20 01:23:35,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:23:35,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:23:35,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:23:35,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:23:35,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:23:35,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:23:35,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:23:35,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:23:35,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (1/1) ... [2022-07-20 01:23:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:23:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:23:35,373 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 01:23:35,400 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 01:23:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-20 01:23:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-20 01:23:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 01:23:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 01:23:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-20 01:23:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-20 01:23:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-20 01:23:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-20 01:23:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:23:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:23:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 01:23:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 01:23:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:23:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:23:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-20 01:23:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-20 01:23:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:23:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:23:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:23:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:23:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-20 01:23:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-20 01:23:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-20 01:23:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-20 01:23:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-20 01:23:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-20 01:23:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 01:23:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 01:23:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-20 01:23:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-20 01:23:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 01:23:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 01:23:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-20 01:23:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-20 01:23:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-20 01:23:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-20 01:23:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-20 01:23:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-20 01:23:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:23:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:23:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-20 01:23:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-20 01:23:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:23:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:23:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-20 01:23:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-20 01:23:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-20 01:23:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-20 01:23:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-20 01:23:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-20 01:23:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:23:35,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:23:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-20 01:23:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-20 01:23:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-20 01:23:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-20 01:23:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-20 01:23:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-20 01:23:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-20 01:23:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-20 01:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 01:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 01:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-20 01:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-20 01:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:23:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 01:23:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 01:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-20 01:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-20 01:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:23:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:23:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-20 01:23:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-20 01:23:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-20 01:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-20 01:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 01:23:35,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 01:23:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-20 01:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-20 01:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-20 01:23:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-20 01:23:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:23:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-20 01:23:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-20 01:23:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:23:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-20 01:23:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-20 01:23:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:23:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:23:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:23:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 01:23:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 01:23:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:23:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:23:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:23:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-20 01:23:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-20 01:23:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 01:23:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 01:23:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-20 01:23:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-20 01:23:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 01:23:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 01:23:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:23:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:23:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-20 01:23:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-20 01:23:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:23:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-20 01:23:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-20 01:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-20 01:23:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-20 01:23:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-20 01:23:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-20 01:23:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-20 01:23:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-20 01:23:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-20 01:23:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-20 01:23:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:23:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:23:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-20 01:23:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-20 01:23:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 01:23:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-20 01:23:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-20 01:23:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:23:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-20 01:23:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-20 01:23:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-20 01:23:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-20 01:23:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-20 01:23:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-20 01:23:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:23:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 01:23:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 01:23:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-20 01:23:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:23:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-20 01:23:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:23:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-20 01:23:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-20 01:23:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 01:23:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 01:23:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 01:23:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 01:23:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 01:23:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 01:23:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-20 01:23:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-20 01:23:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-20 01:23:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-20 01:23:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 01:23:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 01:23:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-20 01:23:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-20 01:23:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-20 01:23:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-20 01:23:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-20 01:23:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-20 01:23:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-20 01:23:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-20 01:23:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:23:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:23:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-20 01:23:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-20 01:23:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:23:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:23:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:23:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:23:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 01:23:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 01:23:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 01:23:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 01:23:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:23:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:23:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:23:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:23:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:23:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:23:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-20 01:23:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-20 01:23:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-20 01:23:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-20 01:23:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 01:23:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 01:23:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:23:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:23:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-20 01:23:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-20 01:23:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-20 01:23:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-20 01:23:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-20 01:23:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-20 01:23:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:23:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:23:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-20 01:23:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-20 01:23:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-20 01:23:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-20 01:23:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:23:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:23:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 01:23:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 01:23:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:23:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:23:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:23:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:23:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:23:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:23:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-20 01:23:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-20 01:23:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-20 01:23:35,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-20 01:23:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-20 01:23:35,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-20 01:23:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:23:35,453 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:23:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:23:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-20 01:23:35,454 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-20 01:23:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:23:35,454 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:23:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-20 01:23:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-20 01:23:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:23:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:23:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:23:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:23:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:23:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-20 01:23:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-20 01:23:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-20 01:23:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-20 01:23:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-20 01:23:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-20 01:23:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:23:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-20 01:23:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-20 01:23:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-20 01:23:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-20 01:23:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 01:23:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 01:23:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:23:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:23:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-20 01:23:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-20 01:23:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 01:23:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 01:23:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-20 01:23:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-20 01:23:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-20 01:23:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-20 01:23:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-20 01:23:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-20 01:23:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:23:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-20 01:23:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-20 01:23:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:23:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:23:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-20 01:23:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-20 01:23:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-20 01:23:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-20 01:23:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 01:23:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 01:23:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 01:23:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 01:23:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-20 01:23:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-20 01:23:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:23:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:23:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:23:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:23:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-20 01:23:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-20 01:23:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-20 01:23:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-20 01:23:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 01:23:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:23:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-20 01:23:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-20 01:23:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-20 01:23:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-20 01:23:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-20 01:23:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-20 01:23:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-20 01:23:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-20 01:23:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:23:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:23:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-20 01:23:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-20 01:23:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-20 01:23:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-20 01:23:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-20 01:23:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-20 01:23:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-20 01:23:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-20 01:23:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-20 01:23:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-20 01:23:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-20 01:23:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-20 01:23:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-20 01:23:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-20 01:23:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:23:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 01:23:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-20 01:23:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:23:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-20 01:23:35,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-20 01:23:36,299 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:23:36,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:23:36,414 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:24:14,994 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:24:15,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:24:15,017 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:24:15,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:24:15 BoogieIcfgContainer [2022-07-20 01:24:15,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:24:15,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:24:15,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:24:15,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:24:15,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:23:31" (1/3) ... [2022-07-20 01:24:15,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0b3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:24:15, skipping insertion in model container [2022-07-20 01:24:15,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:23:34" (2/3) ... [2022-07-20 01:24:15,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0b3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:24:15, skipping insertion in model container [2022-07-20 01:24:15,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:24:15" (3/3) ... [2022-07-20 01:24:15,028 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-20 01:24:15,038 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:24:15,038 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:24:15,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:24:15,130 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@1b1e8e09, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a7b53d5 [2022-07-20 01:24:15,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:24:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) [2022-07-20 01:24:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 01:24:15,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:15,175 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:24:15,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:15,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989063, now seen corresponding path program 1 times [2022-07-20 01:24:15,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:15,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596559180] [2022-07-20 01:24:15,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:15,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:24:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:24:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:24:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:24:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:24:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:24:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:24:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:24:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:24:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:24:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:24:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 01:24:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 01:24:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 01:24:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 01:24:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:16,550 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 01:24:16,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596559180] [2022-07-20 01:24:16,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596559180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:16,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:24:16,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:24:16,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088902986] [2022-07-20 01:24:16,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:16,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:24:16,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:16,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:24:16,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:24:16,590 INFO L87 Difference]: Start difference. First operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:24:18,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:20,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:25,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:38,356 INFO L93 Difference]: Finished difference Result 7233 states and 11832 transitions. [2022-07-20 01:24:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:24:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-20 01:24:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:38,398 INFO L225 Difference]: With dead ends: 7233 [2022-07-20 01:24:38,398 INFO L226 Difference]: Without dead ends: 3952 [2022-07-20 01:24:38,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:24:38,513 INFO L413 NwaCegarLoop]: 4556 mSDtfsCounter, 3085 mSDsluCounter, 4328 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2601 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 4739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2601 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:38,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 8884 Invalid, 4739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2601 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2022-07-20 01:24:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-20 01:24:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3250. [2022-07-20 01:24:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 2218 states have (on average 1.3011722272317403) internal successors, (2886), 2273 states have internal predecessors, (2886), 868 states have call successors, (868), 164 states have call predecessors, (868), 163 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-07-20 01:24:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4621 transitions. [2022-07-20 01:24:38,730 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4621 transitions. Word has length 274 [2022-07-20 01:24:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:38,732 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4621 transitions. [2022-07-20 01:24:38,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:24:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4621 transitions. [2022-07-20 01:24:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 01:24:38,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:38,741 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:24:38,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:24:38,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:38,742 INFO L85 PathProgramCache]: Analyzing trace with hash 834827865, now seen corresponding path program 1 times [2022-07-20 01:24:38,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:38,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718174389] [2022-07-20 01:24:38,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:24:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:24:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:24:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:24:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:24:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:24:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:24:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:24:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:24:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:24:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:24:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 01:24:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 01:24:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 01:24:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 01:24:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:39,675 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 01:24:39,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:39,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718174389] [2022-07-20 01:24:39,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718174389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:39,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:24:39,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:24:39,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451361999] [2022-07-20 01:24:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:39,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:24:39,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:39,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:24:39,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:24:39,678 INFO L87 Difference]: Start difference. First operand 3250 states and 4621 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:24:41,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:43,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:17,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:25:17,864 INFO L93 Difference]: Finished difference Result 10586 states and 15461 transitions. [2022-07-20 01:25:17,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:25:17,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-20 01:25:17,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:25:17,908 INFO L225 Difference]: With dead ends: 10586 [2022-07-20 01:25:17,908 INFO L226 Difference]: Without dead ends: 7379 [2022-07-20 01:25:17,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:25:17,927 INFO L413 NwaCegarLoop]: 5210 mSDtfsCounter, 8416 mSDsluCounter, 8908 mSDsCounter, 0 mSdLazyCounter, 4935 mSolverCounterSat, 5103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8802 SdHoareTripleChecker+Valid, 14118 SdHoareTripleChecker+Invalid, 10040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5103 IncrementalHoareTripleChecker+Valid, 4935 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:25:17,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8802 Valid, 14118 Invalid, 10040 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5103 Valid, 4935 Invalid, 2 Unknown, 0 Unchecked, 37.1s Time] [2022-07-20 01:25:17,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-20 01:25:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6070. [2022-07-20 01:25:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 4139 states have (on average 1.3007972940323749) internal successors, (5384), 4248 states have internal predecessors, (5384), 1617 states have call successors, (1617), 314 states have call predecessors, (1617), 313 states have return successors, (1616), 1586 states have call predecessors, (1616), 1616 states have call successors, (1616) [2022-07-20 01:25:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8617 transitions. [2022-07-20 01:25:18,231 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8617 transitions. Word has length 274 [2022-07-20 01:25:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:25:18,234 INFO L495 AbstractCegarLoop]: Abstraction has 6070 states and 8617 transitions. [2022-07-20 01:25:18,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:25:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8617 transitions. [2022-07-20 01:25:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-20 01:25:18,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:25:18,242 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:25:18,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:25:18,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:25:18,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:25:18,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1380883826, now seen corresponding path program 1 times [2022-07-20 01:25:18,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:25:18,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914415924] [2022-07-20 01:25:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:25:18,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:25:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:25:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:25:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:25:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:25:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:25:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:25:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:25:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:25:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:25:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:25:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:25:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:25:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:25:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:25:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:25:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:25:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:25:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 01:25:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:25:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:25:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 01:25:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 01:25:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:25:19,170 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 01:25:19,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:25:19,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914415924] [2022-07-20 01:25:19,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914415924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:25:19,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:25:19,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:25:19,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137737595] [2022-07-20 01:25:19,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:25:19,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:25:19,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:25:19,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:25:19,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:25:19,174 INFO L87 Difference]: Start difference. First operand 6070 states and 8617 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:25:21,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:23,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:26:03,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:26:03,534 INFO L93 Difference]: Finished difference Result 20649 states and 30179 transitions. [2022-07-20 01:26:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:26:03,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-20 01:26:03,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:26:03,613 INFO L225 Difference]: With dead ends: 20649 [2022-07-20 01:26:03,614 INFO L226 Difference]: Without dead ends: 14622 [2022-07-20 01:26:03,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:26:03,642 INFO L413 NwaCegarLoop]: 7148 mSDtfsCounter, 12180 mSDsluCounter, 10847 mSDsCounter, 0 mSdLazyCounter, 5184 mSolverCounterSat, 8875 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12660 SdHoareTripleChecker+Valid, 17995 SdHoareTripleChecker+Invalid, 14061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8875 IncrementalHoareTripleChecker+Valid, 5184 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:26:03,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12660 Valid, 17995 Invalid, 14061 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8875 Valid, 5184 Invalid, 2 Unknown, 0 Unchecked, 43.0s Time] [2022-07-20 01:26:03,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-07-20 01:26:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11778. [2022-07-20 01:26:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11778 states, 8019 states have (on average 1.299289188178077) internal successors, (10419), 8230 states have internal predecessors, (10419), 3137 states have call successors, (3137), 622 states have call predecessors, (3137), 621 states have return successors, (3136), 3078 states have call predecessors, (3136), 3136 states have call successors, (3136) [2022-07-20 01:26:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11778 states to 11778 states and 16692 transitions. [2022-07-20 01:26:04,144 INFO L78 Accepts]: Start accepts. Automaton has 11778 states and 16692 transitions. Word has length 288 [2022-07-20 01:26:04,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:26:04,146 INFO L495 AbstractCegarLoop]: Abstraction has 11778 states and 16692 transitions. [2022-07-20 01:26:04,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 01:26:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11778 states and 16692 transitions. [2022-07-20 01:26:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-20 01:26:04,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:26:04,154 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:26:04,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:26:04,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:26:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:26:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1019175590, now seen corresponding path program 1 times [2022-07-20 01:26:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:26:04,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833166287] [2022-07-20 01:26:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:26:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:26:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:26:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:26:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:26:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:26:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:26:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:26:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:26:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:26:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:26:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:26:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:26:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:26:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:26:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:26:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:26:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:26:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:26:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 01:26:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:26:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 01:26:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 01:26:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 01:26:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:26:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:26:05,193 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 01:26:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:26:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833166287] [2022-07-20 01:26:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833166287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:26:05,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:26:05,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:26:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090055697] [2022-07-20 01:26:05,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:26:05,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:26:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:26:05,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:26:05,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:26:05,194 INFO L87 Difference]: Start difference. First operand 11778 states and 16692 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 01:26:07,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:26:09,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:26:31,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:26:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:26:58,327 INFO L93 Difference]: Finished difference Result 39114 states and 57074 transitions. [2022-07-20 01:26:58,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:26:58,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 297 [2022-07-20 01:26:58,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:26:58,490 INFO L225 Difference]: With dead ends: 39114 [2022-07-20 01:26:58,490 INFO L226 Difference]: Without dead ends: 27389 [2022-07-20 01:26:58,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 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 01:26:58,563 INFO L413 NwaCegarLoop]: 5499 mSDtfsCounter, 8638 mSDsluCounter, 11235 mSDsCounter, 0 mSdLazyCounter, 6335 mSolverCounterSat, 5162 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9015 SdHoareTripleChecker+Valid, 16734 SdHoareTripleChecker+Invalid, 11499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5162 IncrementalHoareTripleChecker+Valid, 6335 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:26:58,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9015 Valid, 16734 Invalid, 11499 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5162 Valid, 6335 Invalid, 2 Unknown, 0 Unchecked, 51.5s Time] [2022-07-20 01:26:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27389 states. [2022-07-20 01:26:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27389 to 23334. [2022-07-20 01:26:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23334 states, 15898 states have (on average 1.2929928292867028) internal successors, (20556), 16300 states have internal predecessors, (20556), 6130 states have call successors, (6130), 1200 states have call predecessors, (6130), 1305 states have return successors, (7033), 6117 states have call predecessors, (7033), 6129 states have call successors, (7033) [2022-07-20 01:26:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23334 states to 23334 states and 33719 transitions. [2022-07-20 01:26:59,660 INFO L78 Accepts]: Start accepts. Automaton has 23334 states and 33719 transitions. Word has length 297 [2022-07-20 01:26:59,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:26:59,663 INFO L495 AbstractCegarLoop]: Abstraction has 23334 states and 33719 transitions. [2022-07-20 01:26:59,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 01:26:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 23334 states and 33719 transitions. [2022-07-20 01:26:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-20 01:26:59,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:26:59,667 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:26:59,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:26:59,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:26:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:26:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash 551512720, now seen corresponding path program 1 times [2022-07-20 01:26:59,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:26:59,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631052357] [2022-07-20 01:26:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:26:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:27:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:27:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:27:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:27:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:27:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:27:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:27:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:27:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:27:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:27:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:27:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 01:27:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:27:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:27:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:27:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:27:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:27:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:27:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 01:27:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:27:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:27:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:27:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 01:27:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 01:27:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 01:27:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-20 01:27:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 01:27:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:27:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-20 01:27:01,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:27:01,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631052357] [2022-07-20 01:27:01,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631052357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:27:01,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:27:01,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:27:01,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130347880] [2022-07-20 01:27:01,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:27:01,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:27:01,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:27:01,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:27:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:27:01,027 INFO L87 Difference]: Start difference. First operand 23334 states and 33719 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 01:27:03,071 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 01:27:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:27:24,234 INFO L93 Difference]: Finished difference Result 27450 states and 40482 transitions. [2022-07-20 01:27:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:27:24,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 316 [2022-07-20 01:27:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:27:24,243 INFO L225 Difference]: With dead ends: 27450 [2022-07-20 01:27:24,243 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 01:27:24,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:27:24,331 INFO L413 NwaCegarLoop]: 4501 mSDtfsCounter, 6727 mSDsluCounter, 4592 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 3197 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7055 SdHoareTripleChecker+Valid, 9093 SdHoareTripleChecker+Invalid, 5515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3197 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:27:24,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7055 Valid, 9093 Invalid, 5515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3197 Valid, 2317 Invalid, 1 Unknown, 0 Unchecked, 22.0s Time] [2022-07-20 01:27:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 01:27:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 01:27:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 01:27:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 01:27:24,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2022-07-20 01:27:24,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:27:24,338 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 01:27:24,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 01:27:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 01:27:24,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 01:27:24,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 01:27:24,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:27:24,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.