./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--atm--idt77252.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--atm--idt77252.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 fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:27:48,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:27:48,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:27:48,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:27:48,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:27:48,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:27:48,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:27:48,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:27:48,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:27:48,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:27:48,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:27:48,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:27:48,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:27:48,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:27:48,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:27:48,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:27:48,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:27:48,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:27:48,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:27:48,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:27:48,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:27:48,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:27:48,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:27:48,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:27:48,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:27:48,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:27:48,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:27:48,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:27:48,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:27:48,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:27:48,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:27:48,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:27:48,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:27:48,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:27:48,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:27:48,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:27:48,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:27:48,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:27:48,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:27:48,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:27:48,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:27:48,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:27:48,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:27:48,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:27:48,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:27:48,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:27:48,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:27:48,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:27:48,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:27:48,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:27:48,540 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:27:48,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:27:48,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:27:48,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:27:48,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:27:48,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:27:48,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:27:48,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:27:48,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:27:48,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:27:48,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:27:48,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:27:48,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:27:48,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 [2021-12-16 04:27:48,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:27:48,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:27:48,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:27:48,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:27:48,779 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:27:48,781 INFO L432 ainManager$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--atm--idt77252.ko-entry_point.cil.out.i [2021-12-16 04:27:48,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/583cc065f/3a1a65ff4039449a9bbe847825ace3f3/FLAGef848b8d8 [2021-12-16 04:27:49,514 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:27:49,514 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--atm--idt77252.ko-entry_point.cil.out.i [2021-12-16 04:27:49,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/583cc065f/3a1a65ff4039449a9bbe847825ace3f3/FLAGef848b8d8 [2021-12-16 04:27:49,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/583cc065f/3a1a65ff4039449a9bbe847825ace3f3 [2021-12-16 04:27:49,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:27:49,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:27:49,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:27:49,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:27:49,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:27:49,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:27:49" (1/1) ... [2021-12-16 04:27:49,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1c8ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:49, skipping insertion in model container [2021-12-16 04:27:49,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:27:49" (1/1) ... [2021-12-16 04:27:49,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:27:49,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:27:52,029 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--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2021-12-16 04:27:52,070 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:27:52,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:27:52,161 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:27:52,526 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--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2021-12-16 04:27:52,529 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:27:52,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:27:52,612 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:27:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52 WrapperNode [2021-12-16 04:27:52,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:27:52,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:27:52,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:27:52,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:27:52,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:52,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:52,858 INFO L137 Inliner]: procedures = 307, calls = 3208, calls flagged for inlining = 138, calls inlined = 132, statements flattened = 7054 [2021-12-16 04:27:52,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:27:52,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:27:52,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:27:52,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:27:52,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:52,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:52,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:52,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:53,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:53,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:53,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:53,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:27:53,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:27:53,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:27:53,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:27:53,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (1/1) ... [2021-12-16 04:27:53,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:27:53,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:27:53,156 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) [2021-12-16 04:27:53,177 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 [2021-12-16 04:27:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2021-12-16 04:27:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2021-12-16 04:27:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-16 04:27:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-16 04:27:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_remove [2021-12-16 04:27:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_remove [2021-12-16 04:27:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:27:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:27:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:27:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:27:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:27:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:27:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-16 04:27:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-16 04:27:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:27:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:27:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:27:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:27:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_pool_skb [2021-12-16 04:27:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_pool_skb [2021-12-16 04:27:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 04:27:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-16 04:27:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-16 04:27:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_skb [2021-12-16 04:27:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_skb [2021-12-16 04:27:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_softint [2021-12-16 04:27:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_softint [2021-12-16 04:27:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:27:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:27:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:27:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:27:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2021-12-16 04:27:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2021-12-16 04:27:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-16 04:27:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-16 04:27:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:27:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:27:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:27:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:27:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure atm_pcr_goal [2021-12-16 04:27:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_pcr_goal [2021-12-16 04:27:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rx [2021-12-16 04:27:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rx [2021-12-16 04:27:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:27:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:27:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:27:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:27:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-16 04:27:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-16 04:27:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_oam [2021-12-16 04:27:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_oam [2021-12-16 04:27:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:27:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:27:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure push_on_scq [2021-12-16 04:27:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure push_on_scq [2021-12-16 04:27:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 04:27:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 04:27:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 04:27:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 04:27:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_dev_close [2021-12-16 04:27:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_dev_close [2021-12-16 04:27:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read_sram [2021-12-16 04:27:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure read_sram [2021-12-16 04:27:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send [2021-12-16 04:27:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send [2021-12-16 04:27:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:27:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:27:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2021-12-16 04:27:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2021-12-16 04:27:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-16 04:27:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-16 04:27:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-16 04:27:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-16 04:27:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 04:27:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 04:27:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_close [2021-12-16 04:27:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_close [2021-12-16 04:27:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:27:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_skb [2021-12-16 04:27:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_skb [2021-12-16 04:27:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_cbr [2021-12-16 04:27:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_cbr [2021-12-16 04:27:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_skb [2021-12-16 04:27:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_skb [2021-12-16 04:27:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:27:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:27:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 04:27:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 04:27:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 04:27:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 04:27:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_rx [2021-12-16 04:27:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_rx [2021-12-16 04:27:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:27:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:27:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-16 04:27:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-16 04:27:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:27:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:27:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:27:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 04:27:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 04:27:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure push_rx_skb [2021-12-16 04:27:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rx_skb [2021-12-16 04:27:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-16 04:27:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-16 04:27:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:27:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rate_logindex [2021-12-16 04:27:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rate_logindex [2021-12-16 04:27:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_change_qos [2021-12-16 04:27:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_change_qos [2021-12-16 04:27:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-16 04:27:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-16 04:27:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:27:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:27:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:27:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:27:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:27:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:27:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:27:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:27:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:27:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure drain_scq [2021-12-16 04:27:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_scq [2021-12-16 04:27:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scq [2021-12-16 04:27:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scq [2021-12-16 04:27:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:27:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:27:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:27:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:27:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:27:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-16 04:27:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-16 04:27:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-16 04:27:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-16 04:27:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 04:27:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 04:27:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:27:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-16 04:27:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-16 04:27:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:27:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:27:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure waitfor_idle [2021-12-16 04:27:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure waitfor_idle [2021-12-16 04:27:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:27:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:27:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_ubr [2021-12-16 04:27:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_ubr [2021-12-16 04:27:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_open [2021-12-16 04:27:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_open [2021-12-16 04:27:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:27:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:27:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-16 04:27:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-16 04:27:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:27:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:27:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure write_sram [2021-12-16 04:27:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sram [2021-12-16 04:27:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:27:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:27:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_put [2021-12-16 04:27:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_put [2021-12-16 04:27:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 04:27:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 04:27:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx_dump [2021-12-16 04:27:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx_dump [2021-12-16 04:27:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:27:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:27:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:27:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-16 04:27:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-16 04:27:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:27:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:27:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_tst [2021-12-16 04:27:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_tst [2021-12-16 04:27:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:27:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:27:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_tx [2021-12-16 04:27:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_tx [2021-12-16 04:27:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-16 04:27:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-16 04:27:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:27:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-16 04:27:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-16 04:27:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:27:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:27:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 04:27:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 04:27:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_get [2021-12-16 04:27:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_get [2021-12-16 04:27:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:27:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:27:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:27:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure fill_tst [2021-12-16 04:27:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_tst [2021-12-16 04:27:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:27:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:27:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:27:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:27:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:27:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:27:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure deinit_card [2021-12-16 04:27:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure deinit_card [2021-12-16 04:27:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-16 04:27:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-16 04:27:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:27:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:27:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2021-12-16 04:27:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2021-12-16 04:27:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx [2021-12-16 04:27:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx [2021-12-16 04:27:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 04:27:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 04:27:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_skb [2021-12-16 04:27:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_skb [2021-12-16 04:27:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:27:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:27:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-16 04:27:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-16 04:27:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:27:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:27:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-16 04:27:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-16 04:27:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure fill_scd [2021-12-16 04:27:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_scd [2021-12-16 04:27:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure __fill_tst [2021-12-16 04:27:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __fill_tst [2021-12-16 04:27:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 04:27:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 04:27:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-16 04:27:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-16 04:27:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:27:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:27:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 04:27:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 04:27:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:27:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:27:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:27:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:27:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:27:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-16 04:27:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-16 04:27:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:27:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:27:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure flush_rx_pool [2021-12-16 04:27:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_rx_pool [2021-12-16 04:27:54,029 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:27:54,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:27:54,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:27:58,551 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:27:58,578 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:27:58,578 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:27:58,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:27:58 BoogieIcfgContainer [2021-12-16 04:27:58,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:27:58,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:27:58,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:27:58,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:27:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:27:49" (1/3) ... [2021-12-16 04:27:58,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f60550e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:27:58, skipping insertion in model container [2021-12-16 04:27:58,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:52" (2/3) ... [2021-12-16 04:27:58,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f60550e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:27:58, skipping insertion in model container [2021-12-16 04:27:58,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:27:58" (3/3) ... [2021-12-16 04:27:58,596 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2021-12-16 04:27:58,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:27:58,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:27:58,653 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:27:58,658 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:27:58,658 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:27:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 2490 states, 1747 states have (on average 1.3692043503148255) internal successors, (2392), 1799 states have internal predecessors, (2392), 630 states have call successors, (630), 113 states have call predecessors, (630), 112 states have return successors, (623), 608 states have call predecessors, (623), 623 states have call successors, (623) [2021-12-16 04:27:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-16 04:27:58,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:27:58,722 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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] [2021-12-16 04:27:58,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:27:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:27:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1768051433, now seen corresponding path program 1 times [2021-12-16 04:27:58,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:27:58,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570671183] [2021-12-16 04:27:58,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:27:58,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:27:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:27:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:27:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:27:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:27:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:27:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:27:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:27:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:27:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:27:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:27:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:27:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-16 04:27:59,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:27:59,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570671183] [2021-12-16 04:27:59,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570671183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:27:59,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:27:59,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:27:59,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982592337] [2021-12-16 04:27:59,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:27:59,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:27:59,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:27:59,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:27:59,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:27:59,628 INFO L87 Difference]: Start difference. First operand has 2490 states, 1747 states have (on average 1.3692043503148255) internal successors, (2392), 1799 states have internal predecessors, (2392), 630 states have call successors, (630), 113 states have call predecessors, (630), 112 states have return successors, (623), 608 states have call predecessors, (623), 623 states have call successors, (623) Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 04:28:03,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:05,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:14,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:16,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:18,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:28:21,104 INFO L93 Difference]: Finished difference Result 8226 states and 12550 transitions. [2021-12-16 04:28:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:28:21,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 176 [2021-12-16 04:28:21,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:28:21,161 INFO L225 Difference]: With dead ends: 8226 [2021-12-16 04:28:21,161 INFO L226 Difference]: Without dead ends: 5702 [2021-12-16 04:28:21,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:28:21,184 INFO L933 BasicCegarLoop]: 4287 mSDtfsCounter, 6683 mSDsluCounter, 6428 mSDsCounter, 0 mSdLazyCounter, 4774 mSolverCounterSat, 3926 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7112 SdHoareTripleChecker+Valid, 10715 SdHoareTripleChecker+Invalid, 8705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 4774 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-12-16 04:28:21,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7112 Valid, 10715 Invalid, 8705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3926 Valid, 4774 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2021-12-16 04:28:21,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-12-16 04:28:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4631. [2021-12-16 04:28:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4631 states, 3254 states have (on average 1.3592501536570374) internal successors, (4423), 3335 states have internal predecessors, (4423), 1161 states have call successors, (1161), 216 states have call predecessors, (1161), 215 states have return successors, (1177), 1129 states have call predecessors, (1177), 1159 states have call successors, (1177) [2021-12-16 04:28:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 6761 transitions. [2021-12-16 04:28:21,487 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 6761 transitions. Word has length 176 [2021-12-16 04:28:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:28:21,490 INFO L470 AbstractCegarLoop]: Abstraction has 4631 states and 6761 transitions. [2021-12-16 04:28:21,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 04:28:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 6761 transitions. [2021-12-16 04:28:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-16 04:28:21,498 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:28:21,498 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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] [2021-12-16 04:28:21,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:28:21,499 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:28:21,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:28:21,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1121707612, now seen corresponding path program 1 times [2021-12-16 04:28:21,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:28:21,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445362026] [2021-12-16 04:28:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:28:21,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:28:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:28:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:28:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:28:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:28:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:28:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:28:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:28:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:28:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:28:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:28:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:28:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-16 04:28:22,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:28:22,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445362026] [2021-12-16 04:28:22,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445362026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:28:22,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:28:22,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:28:22,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907062715] [2021-12-16 04:28:22,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:28:22,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:28:22,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:28:22,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:28:22,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:28:22,037 INFO L87 Difference]: Start difference. First operand 4631 states and 6761 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 04:28:26,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:28,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:31,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:33,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:28:43,463 INFO L93 Difference]: Finished difference Result 14837 states and 22063 transitions. [2021-12-16 04:28:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:28:43,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 180 [2021-12-16 04:28:43,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:28:43,522 INFO L225 Difference]: With dead ends: 14837 [2021-12-16 04:28:43,522 INFO L226 Difference]: Without dead ends: 10237 [2021-12-16 04:28:43,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:28:43,553 INFO L933 BasicCegarLoop]: 4290 mSDtfsCounter, 6135 mSDsluCounter, 7922 mSDsCounter, 0 mSdLazyCounter, 6072 mSolverCounterSat, 3721 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6481 SdHoareTripleChecker+Valid, 12212 SdHoareTripleChecker+Invalid, 9797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3721 IncrementalHoareTripleChecker+Valid, 6072 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:28:43,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6481 Valid, 12212 Invalid, 9797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3721 Valid, 6072 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2021-12-16 04:28:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2021-12-16 04:28:43,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 8109. [2021-12-16 04:28:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8109 states, 5658 states have (on average 1.3531283138918346) internal successors, (7656), 5813 states have internal predecessors, (7656), 2034 states have call successors, (2034), 417 states have call predecessors, (2034), 416 states have return successors, (2050), 1972 states have call predecessors, (2050), 2032 states have call successors, (2050) [2021-12-16 04:28:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8109 states to 8109 states and 11740 transitions. [2021-12-16 04:28:43,908 INFO L78 Accepts]: Start accepts. Automaton has 8109 states and 11740 transitions. Word has length 180 [2021-12-16 04:28:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:28:43,909 INFO L470 AbstractCegarLoop]: Abstraction has 8109 states and 11740 transitions. [2021-12-16 04:28:43,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-16 04:28:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8109 states and 11740 transitions. [2021-12-16 04:28:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-16 04:28:43,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:28:43,913 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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] [2021-12-16 04:28:43,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:28:43,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:28:43,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:28:43,914 INFO L85 PathProgramCache]: Analyzing trace with hash 907274569, now seen corresponding path program 1 times [2021-12-16 04:28:43,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:28:43,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188206977] [2021-12-16 04:28:43,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:28:43,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:28:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:28:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:28:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:28:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:28:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:28:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:28:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:28:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:28:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:28:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:28:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:28:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:28:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-16 04:28:44,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:28:44,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188206977] [2021-12-16 04:28:44,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188206977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:28:44,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:28:44,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:28:44,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957828756] [2021-12-16 04:28:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:28:44,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:28:44,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:28:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:28:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:28:44,291 INFO L87 Difference]: Start difference. First operand 8109 states and 11740 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:28:47,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:49,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []