./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:13:39,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:13:39,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:13:39,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:13:39,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:13:39,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:13:39,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:13:39,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:13:39,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:13:39,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:13:39,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:13:39,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:13:39,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:13:39,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:13:39,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:13:39,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:13:39,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:13:39,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:13:39,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:13:39,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:13:39,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:13:39,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:13:39,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:13:39,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:13:39,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:13:39,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:13:39,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:13:39,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:13:39,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:13:39,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:13:39,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:13:39,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:13:39,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:13:39,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:13:39,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:13:39,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:13:39,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:13:39,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:13:39,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:13:39,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:13:39,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:13:39,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:13:39,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:13:39,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:13:39,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:13:39,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:13:39,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:13:39,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:13:39,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:13:39,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:13:39,318 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:13:39,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:13:39,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:13:39,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:13:39,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:13:39,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:13:39,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:13:39,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:13:39,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:13:39,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:13:39,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:13:39,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:13:39,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:13:39,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:13:39,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:13:39,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:13:39,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:13:39,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:13:39,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 [2021-12-14 18:13:39,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:13:39,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:13:39,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:13:39,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:13:39,547 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:13:39,549 INFO L432 ainManager$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 [2021-12-14 18:13:39,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee542c5e/b15444f7acbe4847b7e88696b0eb9f0b/FLAGf39d82837 [2021-12-14 18:13:40,214 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:13:40,215 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 [2021-12-14 18:13:40,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee542c5e/b15444f7acbe4847b7e88696b0eb9f0b/FLAGf39d82837 [2021-12-14 18:13:40,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee542c5e/b15444f7acbe4847b7e88696b0eb9f0b [2021-12-14 18:13:40,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:13:40,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:13:40,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:13:40,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:13:40,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:13:40,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:13:40" (1/1) ... [2021-12-14 18:13:40,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e03a552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:40, skipping insertion in model container [2021-12-14 18:13:40,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:13:40" (1/1) ... [2021-12-14 18:13:40,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:13:40,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:13:42,299 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] [2021-12-14 18:13:42,337 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:13:42,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:13:42,408 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:13:42,803 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] [2021-12-14 18:13:42,807 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:13:42,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:13:42,920 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:13:42,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42 WrapperNode [2021-12-14 18:13:42,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:13:42,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:13:42,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:13:42,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:13:42,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,212 INFO L137 Inliner]: procedures = 307, calls = 3208, calls flagged for inlining = 138, calls inlined = 132, statements flattened = 7054 [2021-12-14 18:13:43,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:13:43,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:13:43,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:13:43,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:13:43,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:13:43,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:13:43,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:13:43,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:13:43,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (1/1) ... [2021-12-14 18:13:43,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:13:43,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:13:43,581 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) [2021-12-14 18:13:43,587 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 [2021-12-14 18:13:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2021-12-14 18:13:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-14 18:13:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_remove [2021-12-14 18:13:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_remove [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:13:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:13:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:13:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:13:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-14 18:13:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-14 18:13:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:13:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:13:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:13:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:13:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_pool_skb [2021-12-14 18:13:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_pool_skb [2021-12-14 18:13:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:13:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-14 18:13:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-14 18:13:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_skb [2021-12-14 18:13:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_skb [2021-12-14 18:13:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_softint [2021-12-14 18:13:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_softint [2021-12-14 18:13:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:13:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:13:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:13:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:13:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2021-12-14 18:13:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2021-12-14 18:13:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-14 18:13:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-14 18:13:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:13:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:13:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:13:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:13:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure atm_pcr_goal [2021-12-14 18:13:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_pcr_goal [2021-12-14 18:13:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rx [2021-12-14 18:13:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rx [2021-12-14 18:13:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:13:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:13:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:13:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:13:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-14 18:13:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-14 18:13:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_oam [2021-12-14 18:13:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_oam [2021-12-14 18:13:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:13:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:13:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure push_on_scq [2021-12-14 18:13:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure push_on_scq [2021-12-14 18:13:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 18:13:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 18:13:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:13:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:13:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_dev_close [2021-12-14 18:13:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_dev_close [2021-12-14 18:13:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure read_sram [2021-12-14 18:13:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure read_sram [2021-12-14 18:13:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send [2021-12-14 18:13:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send [2021-12-14 18:13:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:13:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:13:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2021-12-14 18:13:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2021-12-14 18:13:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 18:13:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 18:13:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-14 18:13:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-14 18:13:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:13:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:13:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_close [2021-12-14 18:13:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_close [2021-12-14 18:13:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:13:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_skb [2021-12-14 18:13:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_skb [2021-12-14 18:13:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_cbr [2021-12-14 18:13:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_cbr [2021-12-14 18:13:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_skb [2021-12-14 18:13:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_skb [2021-12-14 18:13:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:13:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:13:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:13:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:13:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:13:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:13:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_rx [2021-12-14 18:13:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_rx [2021-12-14 18:13:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:13:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:13:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-14 18:13:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-14 18:13:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:13:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:13:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:13:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:13:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:13:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure push_rx_skb [2021-12-14 18:13:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rx_skb [2021-12-14 18:13:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-14 18:13:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-14 18:13:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:13:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rate_logindex [2021-12-14 18:13:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rate_logindex [2021-12-14 18:13:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_change_qos [2021-12-14 18:13:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_change_qos [2021-12-14 18:13:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-14 18:13:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-14 18:13:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:13:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:13:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:13:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:13:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:13:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:13:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:13:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:13:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:13:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure drain_scq [2021-12-14 18:13:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_scq [2021-12-14 18:13:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scq [2021-12-14 18:13:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scq [2021-12-14 18:13:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:13:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:13:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:13:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:13:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:13:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-14 18:13:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-14 18:13:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 18:13:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 18:13:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:13:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:13:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure waitfor_idle [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waitfor_idle [2021-12-14 18:13:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:13:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_ubr [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_ubr [2021-12-14 18:13:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_open [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_open [2021-12-14 18:13:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:13:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-14 18:13:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-14 18:13:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:13:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:13:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write_sram [2021-12-14 18:13:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sram [2021-12-14 18:13:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:13:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:13:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_put [2021-12-14 18:13:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_put [2021-12-14 18:13:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:13:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx_dump [2021-12-14 18:13:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx_dump [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:13:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-14 18:13:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:13:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:13:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_tst [2021-12-14 18:13:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_tst [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:13:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_tx [2021-12-14 18:13:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_tx [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-14 18:13:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-14 18:13:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-14 18:13:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:13:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:13:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_get [2021-12-14 18:13:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_get [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:13:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure fill_tst [2021-12-14 18:13:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_tst [2021-12-14 18:13:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:13:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:13:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure deinit_card [2021-12-14 18:13:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deinit_card [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-14 18:13:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-14 18:13:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:13:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2021-12-14 18:13:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx [2021-12-14 18:13:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 18:13:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_skb [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_skb [2021-12-14 18:13:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:13:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:13:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-14 18:13:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-14 18:13:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 18:13:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 18:13:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-14 18:13:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-14 18:13:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure fill_scd [2021-12-14 18:13:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_scd [2021-12-14 18:13:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure __fill_tst [2021-12-14 18:13:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __fill_tst [2021-12-14 18:13:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:13:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:13:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 18:13:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 18:13:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:13:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:13:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:13:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:13:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-14 18:13:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-14 18:13:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:13:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure flush_rx_pool [2021-12-14 18:13:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_rx_pool [2021-12-14 18:13:44,464 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:13:44,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:13:44,585 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:13:48,345 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:13:48,358 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:13:48,358 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:13:48,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:13:48 BoogieIcfgContainer [2021-12-14 18:13:48,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:13:48,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:13:48,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:13:48,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:13:48,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:13:40" (1/3) ... [2021-12-14 18:13:48,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b34784d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:13:48, skipping insertion in model container [2021-12-14 18:13:48,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:13:42" (2/3) ... [2021-12-14 18:13:48,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b34784d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:13:48, skipping insertion in model container [2021-12-14 18:13:48,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:13:48" (3/3) ... [2021-12-14 18:13:48,368 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2021-12-14 18:13:48,371 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:13:48,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:13:48,408 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:13:48,412 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 [2021-12-14 18:13:48,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:13:48,454 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) [2021-12-14 18:13:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-14 18:13:48,465 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:48,465 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] [2021-12-14 18:13:48,466 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1768051433, now seen corresponding path program 1 times [2021-12-14 18:13:48,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:48,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049131723] [2021-12-14 18:13:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:48,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:13:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:13:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:13:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:13:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:13:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 18:13:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:13:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:13:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:13:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:13:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-14 18:13:49,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:49,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049131723] [2021-12-14 18:13:49,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049131723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:49,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:49,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:13:49,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051847943] [2021-12-14 18:13:49,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:49,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:13:49,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:49,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:13:49,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:49,265 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) [2021-12-14 18:13:52,739 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 [] [2021-12-14 18:13:54,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:14:01,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:14:04,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:14:06,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:14:09,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:14:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:14:12,065 INFO L93 Difference]: Finished difference Result 8226 states and 12550 transitions. [2021-12-14 18:14:12,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:14:12,068 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 [2021-12-14 18:14:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:14:12,127 INFO L225 Difference]: With dead ends: 8226 [2021-12-14 18:14:12,128 INFO L226 Difference]: Without dead ends: 5702 [2021-12-14 18:14:12,147 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 [2021-12-14 18:14:12,152 INFO L933 BasicCegarLoop]: 4279 mSDtfsCounter, 6695 mSDsluCounter, 6409 mSDsCounter, 0 mSdLazyCounter, 4755 mSolverCounterSat, 3935 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7122 SdHoareTripleChecker+Valid, 10688 SdHoareTripleChecker+Invalid, 8695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3935 IncrementalHoareTripleChecker+Valid, 4755 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:14:12,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7122 Valid, 10688 Invalid, 8695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3935 Valid, 4755 Invalid, 5 Unknown, 0 Unchecked, 22.0s Time] [2021-12-14 18:14:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-12-14 18:14:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4631. [2021-12-14 18:14:12,397 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) [2021-12-14 18:14:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 6761 transitions. [2021-12-14 18:14:12,430 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 6761 transitions. Word has length 176 [2021-12-14 18:14:12,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:14:12,432 INFO L470 AbstractCegarLoop]: Abstraction has 4631 states and 6761 transitions. [2021-12-14 18:14:12,433 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) [2021-12-14 18:14:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 6761 transitions. [2021-12-14 18:14:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-14 18:14:12,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:12,442 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] [2021-12-14 18:14:12,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:14:12,442 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:12,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1121707612, now seen corresponding path program 1 times [2021-12-14 18:14:12,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:12,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976010350] [2021-12-14 18:14:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:12,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:14:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:14:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:14:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:14:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:14:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:14:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 18:14:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:14:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:14:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:14:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:14:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-14 18:14:12,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:12,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976010350] [2021-12-14 18:14:12,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976010350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:12,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:12,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:14:12,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540600953] [2021-12-14 18:14:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:12,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:14:12,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:14:12,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:14:12,897 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) [2021-12-14 18:14:17,850 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 [] [2021-12-14 18:14:29,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:14:29,573 INFO L93 Difference]: Finished difference Result 14817 states and 22038 transitions. [2021-12-14 18:14:29,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:14:29,574 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 [2021-12-14 18:14:29,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:14:29,631 INFO L225 Difference]: With dead ends: 14817 [2021-12-14 18:14:29,632 INFO L226 Difference]: Without dead ends: 10217 [2021-12-14 18:14:29,657 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 [2021-12-14 18:14:29,661 INFO L933 BasicCegarLoop]: 4317 mSDtfsCounter, 6108 mSDsluCounter, 7902 mSDsCounter, 0 mSdLazyCounter, 6064 mSolverCounterSat, 3721 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6453 SdHoareTripleChecker+Valid, 12219 SdHoareTripleChecker+Invalid, 9786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3721 IncrementalHoareTripleChecker+Valid, 6064 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:14:29,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6453 Valid, 12219 Invalid, 9786 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3721 Valid, 6064 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2021-12-14 18:14:29,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10217 states. [2021-12-14 18:14:29,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10217 to 8097. [2021-12-14 18:14:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8097 states, 5650 states have (on average 1.352920353982301) internal successors, (7644), 5808 states have internal predecessors, (7644), 2029 states have call successors, (2029), 416 states have call predecessors, (2029), 417 states have return successors, (2051), 1966 states have call predecessors, (2051), 2027 states have call successors, (2051) [2021-12-14 18:14:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8097 states to 8097 states and 11724 transitions. [2021-12-14 18:14:30,022 INFO L78 Accepts]: Start accepts. Automaton has 8097 states and 11724 transitions. Word has length 180 [2021-12-14 18:14:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:14:30,024 INFO L470 AbstractCegarLoop]: Abstraction has 8097 states and 11724 transitions. [2021-12-14 18:14:30,025 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) [2021-12-14 18:14:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8097 states and 11724 transitions. [2021-12-14 18:14:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-14 18:14:30,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:30,028 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] [2021-12-14 18:14:30,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:14:30,029 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:30,029 INFO L85 PathProgramCache]: Analyzing trace with hash 907274569, now seen corresponding path program 1 times [2021-12-14 18:14:30,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:30,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124299399] [2021-12-14 18:14:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:30,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:14:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:14:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:14:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:14:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:14:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:14:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 18:14:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:14:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 18:14:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 18:14:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:14:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:14:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-14 18:14:30,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:30,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124299399] [2021-12-14 18:14:30,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124299399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:30,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:30,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:14:30,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926696163] [2021-12-14 18:14:30,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:30,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:14:30,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:30,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:14:30,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:14:30,494 INFO L87 Difference]: Start difference. First operand 8097 states and 11724 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) [2021-12-14 18:14:33,934 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 [] [2021-12-14 18:14:42,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:14:42,160 INFO L93 Difference]: Finished difference Result 11192 states and 16620 transitions. [2021-12-14 18:14:42,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:14:42,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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) Word has length 185 [2021-12-14 18:14:42,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:14:42,162 INFO L225 Difference]: With dead ends: 11192 [2021-12-14 18:14:42,162 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 18:14:42,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:14:42,204 INFO L933 BasicCegarLoop]: 3567 mSDtfsCounter, 5242 mSDsluCounter, 4597 mSDsCounter, 0 mSdLazyCounter, 3942 mSolverCounterSat, 2541 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5509 SdHoareTripleChecker+Valid, 8164 SdHoareTripleChecker+Invalid, 6484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2541 IncrementalHoareTripleChecker+Valid, 3942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:14:42,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5509 Valid, 8164 Invalid, 6484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2541 Valid, 3942 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2021-12-14 18:14:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 18:14:42,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 18:14:42,205 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) [2021-12-14 18:14:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 18:14:42,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2021-12-14 18:14:42,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:14:42,207 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 18:14:42,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-14 18:14:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 18:14:42,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 18:14:42,210 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 18:14:42,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:14:42,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.