./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-?-791161d [2022-07-23 01:37:51,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:37:51,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:37:51,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:37:51,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:37:51,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:37:51,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:37:51,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:37:51,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:37:51,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:37:51,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:37:51,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:37:51,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:37:51,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:37:51,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:37:51,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:37:51,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:37:51,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:37:51,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:37:51,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:37:51,478 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:37:51,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:37:51,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:37:51,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:37:51,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:37:51,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:37:51,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:37:51,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:37:51,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:37:51,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:37:51,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:37:51,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:37:51,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:37:51,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:37:51,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:37:51,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:37:51,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:37:51,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:37:51,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:37:51,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:37:51,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:37:51,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:37:51,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:37:51,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:37:51,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:37:51,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:37:51,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:37:51,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:37:51,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:37:51,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:37:51,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:37:51,532 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:37:51,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:37:51,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:37:51,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:37:51,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:37:51,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:37:51,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:37:51,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:37:51,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:37:51,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:37:51,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:37:51,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:37:51,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:37:51,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:37:51,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:37:51,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:37:51,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:37:51,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-07-23 01:37:51,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:37:51,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:37:51,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:37:51,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:37:51,830 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:37:51,831 INFO L432 ainManager$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 [2022-07-23 01:37:51,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9ce1eea/77dd38a1fc5741898d86441ecd222348/FLAGd25a61d1a [2022-07-23 01:37:52,724 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:37:52,725 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 [2022-07-23 01:37:52,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9ce1eea/77dd38a1fc5741898d86441ecd222348/FLAGd25a61d1a [2022-07-23 01:37:53,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9ce1eea/77dd38a1fc5741898d86441ecd222348 [2022-07-23 01:37:53,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:37:53,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:37:53,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:37:53,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:37:53,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:37:53,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:37:53" (1/1) ... [2022-07-23 01:37:53,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe2fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:53, skipping insertion in model container [2022-07-23 01:37:53,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:37:53" (1/1) ... [2022-07-23 01:37:53,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:37:53,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:37:56,968 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] [2022-07-23 01:37:57,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:37:57,133 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:37:57,874 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] [2022-07-23 01:37:57,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:37:58,187 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:37:58,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58 WrapperNode [2022-07-23 01:37:58,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:37:58,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:37:58,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:37:58,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:37:58,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,446 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5938 [2022-07-23 01:37:58,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:37:58,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:37:58,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:37:58,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:37:58,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:37:58,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:37:58,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:37:58,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:37:58,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (1/1) ... [2022-07-23 01:37:58,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:37:58,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:37:58,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:37:58,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:37:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-23 01:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-23 01:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 01:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 01:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-23 01:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-23 01:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-23 01:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-23 01:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 01:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 01:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-23 01:37:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-23 01:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:37:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:37:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:37:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-23 01:37:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-23 01:37:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-23 01:37:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-23 01:37:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-23 01:37:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-23 01:37:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 01:37:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 01:37:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-23 01:37:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-23 01:37:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-23 01:37:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-23 01:37:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-23 01:37:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-23 01:37:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-23 01:37:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-23 01:37:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-23 01:37:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-23 01:37:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 01:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 01:37:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-23 01:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-23 01:37:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:37:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-23 01:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-23 01:37:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-23 01:37:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-23 01:37:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-23 01:37:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-23 01:37:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:37:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:37:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-23 01:37:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-23 01:37:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-23 01:37:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-23 01:37:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-23 01:37:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-23 01:37:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-23 01:37:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-23 01:37:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 01:37:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 01:37:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-23 01:37:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-23 01:37:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:37:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:37:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 01:37:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 01:37:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:37:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:37:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:37:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:37:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-23 01:37:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-23 01:37:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:37:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:37:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-23 01:37:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-23 01:37:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:37:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-23 01:37:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-23 01:37:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 01:37:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 01:37:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-23 01:37:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-23 01:37:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:37:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:37:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-23 01:37:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-23 01:37:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:37:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:37:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:37:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:37:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-23 01:37:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-23 01:37:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:37:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-23 01:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-23 01:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 01:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 01:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-23 01:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-23 01:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 01:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 01:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-23 01:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-23 01:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 01:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 01:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-23 01:37:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-23 01:37:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 01:37:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 01:37:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-23 01:37:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-23 01:37:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-23 01:37:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-23 01:37:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 01:37:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 01:37:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-23 01:37:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-23 01:37:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-23 01:37:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-23 01:37:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:37:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:37:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-23 01:37:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-23 01:37:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-23 01:37:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-23 01:37:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 01:37:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 01:37:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-23 01:37:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-23 01:37:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-23 01:37:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-23 01:37:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:37:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-23 01:37:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-23 01:37:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-23 01:37:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-23 01:37:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-23 01:37:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-23 01:37:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:37:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 01:37:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 01:37:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-23 01:37:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-23 01:37:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:37:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:37:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:37:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-23 01:37:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-23 01:37:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:37:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:37:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-23 01:37:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-23 01:37:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 01:37:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 01:37:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-23 01:37:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-23 01:37:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 01:37:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 01:37:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-23 01:37:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-23 01:37:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-23 01:37:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-23 01:37:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 01:37:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 01:37:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-23 01:37:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-23 01:37:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-23 01:37:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-23 01:37:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-23 01:37:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-23 01:37:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-23 01:37:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-23 01:37:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:37:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:37:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-23 01:37:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-23 01:37:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:37:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:37:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:37:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:37:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:37:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:37:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 01:37:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 01:37:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:37:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:37:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:37:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:37:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:37:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:37:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 01:37:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 01:37:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-23 01:37:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-23 01:37:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 01:37:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 01:37:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:37:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:37:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-23 01:37:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-23 01:37:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-23 01:37:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-23 01:37:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-23 01:37:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-23 01:37:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:37:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:37:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-23 01:37:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-23 01:37:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-23 01:37:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-23 01:37:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:37:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:37:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 01:37:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 01:37:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:37:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:37:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:37:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:37:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:37:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:37:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-23 01:37:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-23 01:37:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-23 01:37:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-23 01:37:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-23 01:37:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-23 01:37:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 01:37:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 01:37:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:37:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-23 01:37:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-23 01:37:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:37:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:37:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-23 01:37:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-23 01:37:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:37:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:37:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:37:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:37:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:37:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-23 01:37:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-23 01:37:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-23 01:37:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-23 01:37:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-23 01:37:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-23 01:37:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:37:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-23 01:37:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-23 01:37:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-23 01:37:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-23 01:37:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:37:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:37:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:37:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:37:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-23 01:37:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-23 01:37:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 01:37:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 01:37:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-23 01:37:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-23 01:37:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-23 01:37:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-23 01:37:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-23 01:37:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-23 01:37:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-23 01:37:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-23 01:37:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-23 01:37:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-23 01:37:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 01:37:58,933 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 01:37:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-23 01:37:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-23 01:37:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:37:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:37:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-23 01:37:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-23 01:37:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-23 01:37:58,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-23 01:37:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 01:37:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 01:37:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 01:37:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 01:37:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-23 01:37:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-23 01:37:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:37:58,935 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:37:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:37:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:37:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-23 01:37:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-23 01:37:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-23 01:37:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-23 01:37:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:37:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-23 01:37:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-23 01:37:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 01:37:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 01:37:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:37:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:37:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-23 01:37:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-23 01:37:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-23 01:37:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-23 01:37:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-23 01:37:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-23 01:37:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-23 01:37:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-23 01:37:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:37:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:37:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-23 01:37:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-23 01:37:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-23 01:37:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-23 01:37:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-23 01:37:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-23 01:37:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-23 01:37:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-23 01:37:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-23 01:37:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-23 01:37:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-23 01:37:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-23 01:37:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-23 01:37:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-23 01:37:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-23 01:37:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-23 01:37:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:37:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:37:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:37:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:37:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-23 01:37:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-23 01:37:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:37:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-23 01:37:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-23 01:37:59,801 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:37:59,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:37:59,966 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:38:40,393 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:38:40,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:38:40,414 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:38:40,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:38:40 BoogieIcfgContainer [2022-07-23 01:38:40,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:38:40,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:38:40,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:38:40,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:38:40,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:37:53" (1/3) ... [2022-07-23 01:38:40,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66789358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:38:40, skipping insertion in model container [2022-07-23 01:38:40,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:58" (2/3) ... [2022-07-23 01:38:40,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66789358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:38:40, skipping insertion in model container [2022-07-23 01:38:40,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:38:40" (3/3) ... [2022-07-23 01:38:40,447 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-23 01:38:40,461 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:38:40,461 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:38:40,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:38:40,582 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@5aaffd81, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67a7a2d [2022-07-23 01:38:40,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:38:40,596 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) [2022-07-23 01:38:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-23 01:38:40,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:40,629 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] [2022-07-23 01:38:40,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:40,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:40,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989063, now seen corresponding path program 1 times [2022-07-23 01:38:40,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:40,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814577317] [2022-07-23 01:38:40,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:38:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:38:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:38:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:38:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:38:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:38:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:38:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:38:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:38:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:38:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:38:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 01:38:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:38:42,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:42,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814577317] [2022-07-23 01:38:42,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814577317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:42,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:42,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:38:42,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671139255] [2022-07-23 01:38:42,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:42,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:38:42,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:42,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:38:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:38:42,677 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) [2022-07-23 01:38:44,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:38:47,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:39:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:05,185 INFO L93 Difference]: Finished difference Result 7233 states and 11832 transitions. [2022-07-23 01:39:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:39:05,188 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 [2022-07-23 01:39:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:05,235 INFO L225 Difference]: With dead ends: 7233 [2022-07-23 01:39:05,236 INFO L226 Difference]: Without dead ends: 3952 [2022-07-23 01:39:05,280 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 [2022-07-23 01:39:05,284 INFO L413 NwaCegarLoop]: 4548 mSDtfsCounter, 3085 mSDsluCounter, 4322 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2599 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 8870 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:05,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 8870 Invalid, 4737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2599 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 21.6s Time] [2022-07-23 01:39:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-23 01:39:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3250. [2022-07-23 01:39:05,528 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) [2022-07-23 01:39:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4621 transitions. [2022-07-23 01:39:05,572 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4621 transitions. Word has length 274 [2022-07-23 01:39:05,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:05,574 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4621 transitions. [2022-07-23 01:39:05,574 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) [2022-07-23 01:39:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4621 transitions. [2022-07-23 01:39:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-23 01:39:05,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:05,586 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] [2022-07-23 01:39:05,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:39:05,586 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:05,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 834827865, now seen corresponding path program 1 times [2022-07-23 01:39:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:05,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951067546] [2022-07-23 01:39:05,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:05,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:39:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:39:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:39:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:39:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:39:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:39:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:39:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:39:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:39:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:39:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:39:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 01:39:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:39:06,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:06,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951067546] [2022-07-23 01:39:06,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951067546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:39:06,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:39:06,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:39:06,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938466090] [2022-07-23 01:39:06,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:39:06,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:39:06,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:06,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:39:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:39:06,913 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) [2022-07-23 01:39:08,968 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 [] [2022-07-23 01:39:11,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:39:44,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:44,871 INFO L93 Difference]: Finished difference Result 10586 states and 15461 transitions. [2022-07-23 01:39:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:39:44,871 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 [2022-07-23 01:39:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:44,947 INFO L225 Difference]: With dead ends: 10586 [2022-07-23 01:39:44,947 INFO L226 Difference]: Without dead ends: 7379 [2022-07-23 01:39:44,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:39:44,980 INFO L413 NwaCegarLoop]: 5379 mSDtfsCounter, 8340 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 4937 mSolverCounterSat, 5098 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8721 SdHoareTripleChecker+Valid, 14396 SdHoareTripleChecker+Invalid, 10037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5098 IncrementalHoareTripleChecker+Valid, 4937 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:44,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8721 Valid, 14396 Invalid, 10037 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5098 Valid, 4937 Invalid, 2 Unknown, 0 Unchecked, 36.8s Time] [2022-07-23 01:39:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-23 01:39:45,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6070. [2022-07-23 01:39:45,298 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) [2022-07-23 01:39:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8617 transitions. [2022-07-23 01:39:45,342 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8617 transitions. Word has length 274 [2022-07-23 01:39:45,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:45,344 INFO L495 AbstractCegarLoop]: Abstraction has 6070 states and 8617 transitions. [2022-07-23 01:39:45,344 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) [2022-07-23 01:39:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8617 transitions. [2022-07-23 01:39:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 01:39:45,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:45,352 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] [2022-07-23 01:39:45,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:39:45,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:45,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1380883826, now seen corresponding path program 1 times [2022-07-23 01:39:45,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:45,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928774788] [2022-07-23 01:39:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:39:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:39:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:39:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:39:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:39:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:39:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:39:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:39:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:39:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 01:39:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 01:39:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 01:39:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:39:46,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:46,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928774788] [2022-07-23 01:39:46,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928774788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:39:46,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:39:46,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:39:46,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259619472] [2022-07-23 01:39:46,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:39:46,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:39:46,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:46,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:39:46,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:39:46,840 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) [2022-07-23 01:39:48,897 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 [] [2022-07-23 01:39:51,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:11,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:14,386 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 [] [2022-07-23 01:40:33,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:40:33,957 INFO L93 Difference]: Finished difference Result 20649 states and 30179 transitions. [2022-07-23 01:40:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:40:33,958 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 [2022-07-23 01:40:33,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:40:34,078 INFO L225 Difference]: With dead ends: 20649 [2022-07-23 01:40:34,078 INFO L226 Difference]: Without dead ends: 14622 [2022-07-23 01:40:34,126 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 [2022-07-23 01:40:34,130 INFO L413 NwaCegarLoop]: 7186 mSDtfsCounter, 12145 mSDsluCounter, 10916 mSDsCounter, 0 mSdLazyCounter, 5150 mSolverCounterSat, 8889 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12615 SdHoareTripleChecker+Valid, 18102 SdHoareTripleChecker+Invalid, 14043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8889 IncrementalHoareTripleChecker+Valid, 5150 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:40:34,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12615 Valid, 18102 Invalid, 14043 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8889 Valid, 5150 Invalid, 4 Unknown, 0 Unchecked, 45.8s Time] [2022-07-23 01:40:34,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-07-23 01:40:34,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11778. [2022-07-23 01:40:34,703 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) [2022-07-23 01:40:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11778 states to 11778 states and 16692 transitions. [2022-07-23 01:40:34,792 INFO L78 Accepts]: Start accepts. Automaton has 11778 states and 16692 transitions. Word has length 288 [2022-07-23 01:40:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:40:34,794 INFO L495 AbstractCegarLoop]: Abstraction has 11778 states and 16692 transitions. [2022-07-23 01:40:34,795 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) [2022-07-23 01:40:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 11778 states and 16692 transitions. [2022-07-23 01:40:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-23 01:40:34,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:40:34,803 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:40:34,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:40:34,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:40:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:40:34,804 INFO L85 PathProgramCache]: Analyzing trace with hash -693768482, now seen corresponding path program 1 times [2022-07-23 01:40:34,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:40:34,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121566068] [2022-07-23 01:40:34,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:40:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:40:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:40:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:40:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:40:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:40:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:40:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:40:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:40:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:40:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:40:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:40:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:40:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:40:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:40:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:40:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:40:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:40:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:40:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 01:40:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:40:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 01:40:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 01:40:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 01:40:36,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:40:36,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121566068] [2022-07-23 01:40:36,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121566068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:40:36,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:40:36,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:40:36,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732373421] [2022-07-23 01:40:36,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:40:36,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:40:36,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:40:36,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:40:36,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:40:36,065 INFO L87 Difference]: Start difference. First operand 11778 states and 16692 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 01:40:38,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:40,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:41:02,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:41:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:41:28,895 INFO L93 Difference]: Finished difference Result 39114 states and 57074 transitions. [2022-07-23 01:41:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:41:28,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2022-07-23 01:41:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:41:29,145 INFO L225 Difference]: With dead ends: 39114 [2022-07-23 01:41:29,145 INFO L226 Difference]: Without dead ends: 27389 [2022-07-23 01:41:29,246 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 [2022-07-23 01:41:29,249 INFO L413 NwaCegarLoop]: 5547 mSDtfsCounter, 8603 mSDsluCounter, 11287 mSDsCounter, 0 mSdLazyCounter, 6351 mSolverCounterSat, 5133 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8979 SdHoareTripleChecker+Valid, 16834 SdHoareTripleChecker+Invalid, 11487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5133 IncrementalHoareTripleChecker+Valid, 6351 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:41:29,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8979 Valid, 16834 Invalid, 11487 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5133 Valid, 6351 Invalid, 3 Unknown, 0 Unchecked, 51.1s Time] [2022-07-23 01:41:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27389 states. [2022-07-23 01:41:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27389 to 23334. [2022-07-23 01:41:30,560 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) [2022-07-23 01:41:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23334 states to 23334 states and 33719 transitions. [2022-07-23 01:41:30,812 INFO L78 Accepts]: Start accepts. Automaton has 23334 states and 33719 transitions. Word has length 299 [2022-07-23 01:41:30,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:41:30,813 INFO L495 AbstractCegarLoop]: Abstraction has 23334 states and 33719 transitions. [2022-07-23 01:41:30,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 01:41:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 23334 states and 33719 transitions. [2022-07-23 01:41:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-23 01:41:30,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:41:30,820 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] [2022-07-23 01:41:30,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:41:30,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:41:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:41:30,822 INFO L85 PathProgramCache]: Analyzing trace with hash 551512720, now seen corresponding path program 1 times [2022-07-23 01:41:30,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:41:30,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325088574] [2022-07-23 01:41:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:41:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:41:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:41:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:41:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:41:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:41:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:41:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:41:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:41:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:41:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:41:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 01:41:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 01:41:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 01:41:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:41:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:41:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:41:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 01:41:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 01:41:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 01:41:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:41:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 01:41:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 01:41:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 01:41:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 01:41:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 01:41:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-23 01:41:32,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:41:32,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325088574] [2022-07-23 01:41:32,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325088574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:41:32,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:41:32,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:41:32,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952667303] [2022-07-23 01:41:32,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:41:32,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:41:32,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:41:32,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:41:32,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:41:32,994 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) [2022-07-23 01:41:35,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:41:47,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:41:48,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []