./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 f4b24e32 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-?-f4b24e3 [2022-07-14 02:01:45,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:01:45,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:01:45,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:01:45,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:01:45,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:01:45,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:01:45,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:01:45,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:01:45,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:01:45,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:01:45,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:01:45,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:01:45,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:01:45,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:01:45,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:01:45,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:01:45,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:01:45,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:01:45,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:01:45,182 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:01:45,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:01:45,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:01:45,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:01:45,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:01:45,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:01:45,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:01:45,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:01:45,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:01:45,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:01:45,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:01:45,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:01:45,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:01:45,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:01:45,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:01:45,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:01:45,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:01:45,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:01:45,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:01:45,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:01:45,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:01:45,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:01:45,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:01:45,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:01:45,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:01:45,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:01:45,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:01:45,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:01:45,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:01:45,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:01:45,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:01:45,239 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:01:45,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:01:45,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:01:45,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:01:45,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:01:45,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:01:45,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:01:45,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:01:45,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:01:45,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:01:45,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:01:45,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-07-14 02:01:45,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:01:45,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:01:45,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:01:45,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:01:45,577 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:01:45,578 INFO L432 ainManager$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 [2022-07-14 02:01:45,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafa20a0f/82f6704c891e4720bf5c0ee8ab3a6e63/FLAG4e1ea7d64 [2022-07-14 02:01:46,497 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:01:46,498 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 [2022-07-14 02:01:46,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafa20a0f/82f6704c891e4720bf5c0ee8ab3a6e63/FLAG4e1ea7d64 [2022-07-14 02:01:46,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafa20a0f/82f6704c891e4720bf5c0ee8ab3a6e63 [2022-07-14 02:01:46,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:01:46,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:01:46,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:01:46,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:01:46,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:01:46,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:01:46" (1/1) ... [2022-07-14 02:01:46,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1bc9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:46, skipping insertion in model container [2022-07-14 02:01:46,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:01:46" (1/1) ... [2022-07-14 02:01:46,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:01:46,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:01:49,685 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] [2022-07-14 02:01:49,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:01:49,853 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:01:50,564 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] [2022-07-14 02:01:50,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:01:50,742 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:01:50,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50 WrapperNode [2022-07-14 02:01:50,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:01:50,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:01:50,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:01:50,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:01:50,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:50,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,035 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5938 [2022-07-14 02:01:51,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:01:51,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:01:51,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:01:51,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:01:51,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:01:51,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:01:51,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:01:51,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:01:51,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (1/1) ... [2022-07-14 02:01:51,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:01:51,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:01:51,319 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) [2022-07-14 02:01:51,359 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 [2022-07-14 02:01:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-14 02:01:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-14 02:01:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-14 02:01:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-14 02:01:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-14 02:01:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-14 02:01:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-14 02:01:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-14 02:01:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:01:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:01:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 02:01:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 02:01:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:01:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:01:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-14 02:01:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-14 02:01:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:01:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:01:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:01:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:01:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-14 02:01:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-14 02:01:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-14 02:01:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-14 02:01:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-14 02:01:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-14 02:01:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 02:01:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 02:01:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-14 02:01:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-14 02:01:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 02:01:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 02:01:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-14 02:01:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-14 02:01:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-14 02:01:51,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-14 02:01:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-14 02:01:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-14 02:01:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 02:01:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 02:01:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-14 02:01:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-14 02:01:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:01:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:01:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-14 02:01:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-14 02:01:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-14 02:01:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-14 02:01:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-14 02:01:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-14 02:01:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:01:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:01:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-14 02:01:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-14 02:01:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-14 02:01:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-14 02:01:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-14 02:01:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-14 02:01:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-14 02:01:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-14 02:01:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 02:01:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 02:01:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-14 02:01:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-14 02:01:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:01:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:01:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 02:01:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 02:01:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:01:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:01:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:01:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:01:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-14 02:01:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-14 02:01:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:01:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:01:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-14 02:01:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-14 02:01:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:01:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-14 02:01:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-14 02:01:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 02:01:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 02:01:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-14 02:01:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-14 02:01:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:01:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:01:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-14 02:01:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-14 02:01:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:01:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:01:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:01:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:01:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-14 02:01:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-14 02:01:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:01:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-14 02:01:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-14 02:01:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:01:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 02:01:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:01:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-14 02:01:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-14 02:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 02:01:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 02:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-14 02:01:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-14 02:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 02:01:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 02:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:01:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:01:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-14 02:01:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-14 02:01:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 02:01:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 02:01:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-14 02:01:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-14 02:01:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-14 02:01:51,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-14 02:01:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-14 02:01:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-14 02:01:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-14 02:01:51,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-14 02:01:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-14 02:01:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:01:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-14 02:01:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-14 02:01:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 02:01:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-14 02:01:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-14 02:01:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-14 02:01:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-14 02:01:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-14 02:01:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-14 02:01:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 02:01:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-14 02:01:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:01:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-14 02:01:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-14 02:01:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:01:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:01:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-14 02:01:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-14 02:01:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 02:01:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 02:01:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-14 02:01:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-14 02:01:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 02:01:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 02:01:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-14 02:01:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-14 02:01:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 02:01:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-14 02:01:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-14 02:01:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 02:01:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 02:01:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-14 02:01:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-14 02:01:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:01:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:01:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-14 02:01:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-14 02:01:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:01:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:01:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 02:01:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 02:01:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 02:01:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 02:01:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:01:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:01:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:01:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 02:01:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-14 02:01:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-14 02:01:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:01:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-14 02:01:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-14 02:01:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-14 02:01:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-14 02:01:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-14 02:01:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 02:01:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 02:01:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-14 02:01:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-14 02:01:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 02:01:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 02:01:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:01:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 02:01:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:01:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:01:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:01:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-14 02:01:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-14 02:01:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-14 02:01:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-14 02:01:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-14 02:01:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-14 02:01:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:01:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:01:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:01:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-14 02:01:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-14 02:01:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:01:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:01:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-14 02:01:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-14 02:01:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:01:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:01:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:01:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:01:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:01:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-14 02:01:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-14 02:01:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-14 02:01:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-14 02:01:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-14 02:01:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-14 02:01:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:01:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-14 02:01:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-14 02:01:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-14 02:01:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-14 02:01:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 02:01:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-14 02:01:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-14 02:01:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-14 02:01:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-14 02:01:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-14 02:01:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-14 02:01:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-14 02:01:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 02:01:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 02:01:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-14 02:01:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-14 02:01:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:01:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:01:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-14 02:01:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-14 02:01:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-14 02:01:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-14 02:01:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 02:01:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 02:01:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 02:01:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 02:01:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-14 02:01:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:01:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:01:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-14 02:01:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-14 02:01:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:01:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-14 02:01:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-14 02:01:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 02:01:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 02:01:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:01:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:01:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-14 02:01:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-14 02:01:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-14 02:01:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-14 02:01:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-14 02:01:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-14 02:01:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:01:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-14 02:01:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-14 02:01:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-14 02:01:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-14 02:01:51,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 02:01:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-14 02:01:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-14 02:01:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-14 02:01:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-14 02:01:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 02:01:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 02:01:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 02:01:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 02:01:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-14 02:01:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-14 02:01:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:01:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-14 02:01:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-14 02:01:52,298 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:01:52,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:01:52,462 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:02:32,790 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:02:32,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:02:32,821 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 02:02:32,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:32 BoogieIcfgContainer [2022-07-14 02:02:32,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:02:32,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:02:32,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:02:32,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:02:32,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:01:46" (1/3) ... [2022-07-14 02:02:32,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f536dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:32, skipping insertion in model container [2022-07-14 02:02:32,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:01:50" (2/3) ... [2022-07-14 02:02:32,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f536dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:32, skipping insertion in model container [2022-07-14 02:02:32,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:32" (3/3) ... [2022-07-14 02:02:32,868 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-14 02:02:32,877 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:02:32,877 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:02:32,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:02:32,981 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@59fc59b7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a399379 [2022-07-14 02:02:32,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:02:32,993 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) [2022-07-14 02:02:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 02:02:33,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:02:33,020 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] [2022-07-14 02:02:33,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:02:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:02:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989063, now seen corresponding path program 1 times [2022-07-14 02:02:33,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:02:33,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832577642] [2022-07-14 02:02:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:02:33,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:02:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:02:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:02:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:02:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:02:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:02:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:02:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:02:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:02:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:02:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 02:02:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:34,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:02:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:02:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:02:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 02:02:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:02:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:02:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:02:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:02:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-14 02:02:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:02:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 02:02:35,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:02:35,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832577642] [2022-07-14 02:02:35,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832577642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:02:35,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:02:35,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:02:35,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722108963] [2022-07-14 02:02:35,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:02:35,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:02:35,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:02:35,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:02:35,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:02:35,230 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) [2022-07-14 02:02:37,300 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 [] [2022-07-14 02:02:39,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:02:43,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:02:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:02:57,326 INFO L93 Difference]: Finished difference Result 7233 states and 11832 transitions. [2022-07-14 02:02:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 02:02:57,328 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 [2022-07-14 02:02:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:02:57,389 INFO L225 Difference]: With dead ends: 7233 [2022-07-14 02:02:57,389 INFO L226 Difference]: Without dead ends: 3952 [2022-07-14 02:02:57,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:02:57,433 INFO L413 NwaCegarLoop]: 4556 mSDtfsCounter, 3085 mSDsluCounter, 4330 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2601 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 8886 SdHoareTripleChecker+Invalid, 4739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2601 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:02:57,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 8886 Invalid, 4739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2601 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 21.3s Time] [2022-07-14 02:02:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-14 02:02:57,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3250. [2022-07-14 02:02:57,669 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) [2022-07-14 02:02:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4621 transitions. [2022-07-14 02:02:57,706 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4621 transitions. Word has length 274 [2022-07-14 02:02:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:02:57,708 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4621 transitions. [2022-07-14 02:02:57,709 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) [2022-07-14 02:02:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4621 transitions. [2022-07-14 02:02:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 02:02:57,718 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:02:57,719 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] [2022-07-14 02:02:57,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:02:57,719 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:02:57,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:02:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash 834827865, now seen corresponding path program 1 times [2022-07-14 02:02:57,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:02:57,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074948950] [2022-07-14 02:02:57,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:02:57,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:02:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:02:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:02:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:02:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:02:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:02:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:02:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:02:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:02:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:02:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:02:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 02:02:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:02:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:02:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:02:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 02:02:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:02:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:02:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:02:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:02:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:02:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-14 02:02:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:02:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:02:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 02:02:58,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:02:58,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074948950] [2022-07-14 02:02:58,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074948950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:02:58,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:02:58,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:02:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497659800] [2022-07-14 02:02:58,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:02:58,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:02:58,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:02:58,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:02:58,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:02:58,874 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) [2022-07-14 02:03:00,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:03:03,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:03:18,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:03:19,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:03:42,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:03:42,546 INFO L93 Difference]: Finished difference Result 10586 states and 15461 transitions. [2022-07-14 02:03:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:03:42,547 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 [2022-07-14 02:03:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:03:42,596 INFO L225 Difference]: With dead ends: 10586 [2022-07-14 02:03:42,597 INFO L226 Difference]: Without dead ends: 7379 [2022-07-14 02:03:42,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:03:42,618 INFO L413 NwaCegarLoop]: 5276 mSDtfsCounter, 8381 mSDsluCounter, 8942 mSDsCounter, 0 mSdLazyCounter, 4934 mSolverCounterSat, 5109 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8769 SdHoareTripleChecker+Valid, 14218 SdHoareTripleChecker+Invalid, 10046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4934 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:03:42,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8769 Valid, 14218 Invalid, 10046 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5109 Valid, 4934 Invalid, 3 Unknown, 0 Unchecked, 42.6s Time] [2022-07-14 02:03:42,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-14 02:03:42,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6070. [2022-07-14 02:03:42,899 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) [2022-07-14 02:03:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8617 transitions. [2022-07-14 02:03:43,080 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8617 transitions. Word has length 274 [2022-07-14 02:03:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:03:43,081 INFO L495 AbstractCegarLoop]: Abstraction has 6070 states and 8617 transitions. [2022-07-14 02:03:43,081 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) [2022-07-14 02:03:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8617 transitions. [2022-07-14 02:03:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 02:03:43,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:03:43,098 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] [2022-07-14 02:03:43,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:03:43,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:03:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:03:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1380883826, now seen corresponding path program 1 times [2022-07-14 02:03:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:03:43,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356904839] [2022-07-14 02:03:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:03:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:03:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:03:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:03:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:03:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:03:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:03:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:03:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:03:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:03:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:03:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:03:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 02:03:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:03:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:03:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:03:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 02:03:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:03:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:03:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:03:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:03:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 02:03:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:03:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 02:03:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:03:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 02:03:44,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:03:44,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356904839] [2022-07-14 02:03:44,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356904839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:03:44,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:03:44,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:03:44,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336160467] [2022-07-14 02:03:44,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:03:44,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:03:44,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:03:44,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:03:44,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:03:44,070 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) [2022-07-14 02:03:46,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:03:48,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:04:08,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:04:29,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:04:29,299 INFO L93 Difference]: Finished difference Result 20649 states and 30179 transitions. [2022-07-14 02:04:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:04:29,314 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 [2022-07-14 02:04:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:04:29,503 INFO L225 Difference]: With dead ends: 20649 [2022-07-14 02:04:29,503 INFO L226 Difference]: Without dead ends: 14622 [2022-07-14 02:04:29,561 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 [2022-07-14 02:04:29,565 INFO L413 NwaCegarLoop]: 7188 mSDtfsCounter, 12128 mSDsluCounter, 10887 mSDsCounter, 0 mSdLazyCounter, 5166 mSolverCounterSat, 8875 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12587 SdHoareTripleChecker+Valid, 18075 SdHoareTripleChecker+Invalid, 14043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8875 IncrementalHoareTripleChecker+Valid, 5166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:04:29,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12587 Valid, 18075 Invalid, 14043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8875 Valid, 5166 Invalid, 2 Unknown, 0 Unchecked, 43.9s Time] [2022-07-14 02:04:29,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-07-14 02:04:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11778. [2022-07-14 02:04:30,029 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) [2022-07-14 02:04:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11778 states to 11778 states and 16692 transitions. [2022-07-14 02:04:30,101 INFO L78 Accepts]: Start accepts. Automaton has 11778 states and 16692 transitions. Word has length 288 [2022-07-14 02:04:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:04:30,103 INFO L495 AbstractCegarLoop]: Abstraction has 11778 states and 16692 transitions. [2022-07-14 02:04:30,104 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) [2022-07-14 02:04:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11778 states and 16692 transitions. [2022-07-14 02:04:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-14 02:04:30,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:04:30,109 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:04:30,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:04:30,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:04:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:04:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1019175590, now seen corresponding path program 1 times [2022-07-14 02:04:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:04:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462401539] [2022-07-14 02:04:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:04:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:04:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:04:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:04:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:04:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:04:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:04:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:04:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:04:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:04:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:04:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:04:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 02:04:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:04:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:04:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:04:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 02:04:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:04:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:04:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:04:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:04:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 02:04:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:04:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 02:04:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 02:04:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:04:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 02:04:31,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:04:31,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462401539] [2022-07-14 02:04:31,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462401539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:04:31,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:04:31,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:04:31,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179645821] [2022-07-14 02:04:31,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:04:31,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:04:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:04:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:04:31,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:04:31,014 INFO L87 Difference]: Start difference. First operand 11778 states and 16692 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:04:33,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:04:35,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:04:56,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:05:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:05:24,169 INFO L93 Difference]: Finished difference Result 39114 states and 57074 transitions. [2022-07-14 02:05:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:05:24,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 297 [2022-07-14 02:05:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:05:24,565 INFO L225 Difference]: With dead ends: 39114 [2022-07-14 02:05:24,571 INFO L226 Difference]: Without dead ends: 27389 [2022-07-14 02:05:24,702 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 [2022-07-14 02:05:24,704 INFO L413 NwaCegarLoop]: 5489 mSDtfsCounter, 8649 mSDsluCounter, 11243 mSDsCounter, 0 mSdLazyCounter, 6343 mSolverCounterSat, 5162 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9025 SdHoareTripleChecker+Valid, 16732 SdHoareTripleChecker+Invalid, 11507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5162 IncrementalHoareTripleChecker+Valid, 6343 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:05:24,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9025 Valid, 16732 Invalid, 11507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5162 Valid, 6343 Invalid, 2 Unknown, 0 Unchecked, 51.6s Time] [2022-07-14 02:05:24,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27389 states. [2022-07-14 02:05:25,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27389 to 23334. [2022-07-14 02:05:26,036 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) [2022-07-14 02:05:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23334 states to 23334 states and 33719 transitions. [2022-07-14 02:05:26,442 INFO L78 Accepts]: Start accepts. Automaton has 23334 states and 33719 transitions. Word has length 297 [2022-07-14 02:05:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:05:26,446 INFO L495 AbstractCegarLoop]: Abstraction has 23334 states and 33719 transitions. [2022-07-14 02:05:26,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:05:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 23334 states and 33719 transitions. [2022-07-14 02:05:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-14 02:05:26,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:05:26,468 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, 1, 1] [2022-07-14 02:05:26,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:05:26,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:05:26,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:05:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash -846739161, now seen corresponding path program 1 times [2022-07-14 02:05:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:05:26,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325680870] [2022-07-14 02:05:26,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:05:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:05:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:05:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:05:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:05:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:05:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:05:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:05:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:05:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:05:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:05:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:05:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 02:05:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 02:05:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 02:05:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:05:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 02:05:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:05:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:05:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:05:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-14 02:05:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 02:05:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:05:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 02:05:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 02:05:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:05:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-14 02:05:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 02:05:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:05:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-14 02:05:28,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:05:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325680870] [2022-07-14 02:05:28,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325680870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:05:28,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:05:28,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:05:28,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831353853] [2022-07-14 02:05:28,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:05:28,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:05:28,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:05:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:05:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:05:28,610 INFO L87 Difference]: Start difference. First operand 23334 states and 33719 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-07-14 02:05:30,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:05:44,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:05:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:05:52,892 INFO L93 Difference]: Finished difference Result 27450 states and 40482 transitions. [2022-07-14 02:05:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:05:52,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 318 [2022-07-14 02:05:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:05:52,902 INFO L225 Difference]: With dead ends: 27450 [2022-07-14 02:05:52,902 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 02:05:52,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:05:52,979 INFO L413 NwaCegarLoop]: 4494 mSDtfsCounter, 6729 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 3185 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7060 SdHoareTripleChecker+Valid, 9076 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3185 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:05:52,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7060 Valid, 9076 Invalid, 5513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3185 Valid, 2326 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2022-07-14 02:05:52,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 02:05:52,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 02:05:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 02:05:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 02:05:52,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2022-07-14 02:05:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:05:52,987 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 02:05:52,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-07-14 02:05:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 02:05:52,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 02:05:52,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 02:05:52,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:05:52,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.