./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-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.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 dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:45:39,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:45:39,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:45:40,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:45:40,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:45:40,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:45:40,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:45:40,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:45:40,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:45:40,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:45:40,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:45:40,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:45:40,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:45:40,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:45:40,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:45:40,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:45:40,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:45:40,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:45:40,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:45:40,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:45:40,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:45:40,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:45:40,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:45:40,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:45:40,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:45:40,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:45:40,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:45:40,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:45:40,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:45:40,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:45:40,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:45:40,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:45:40,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:45:40,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:45:40,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:45:40,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:45:40,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:45:40,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:45:40,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:45:40,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:45:40,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:45:40,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:45:40,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:45:40,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:45:40,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:45:40,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:45:40,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:45:40,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:45:40,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:45:40,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:45:40,084 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:45:40,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:45:40,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:45:40,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:45:40,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:45:40,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:45:40,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:45:40,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:45:40,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:45:40,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:45:40,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:45:40,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:45:40,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:45:40,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2021-12-18 06:45:40,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:45:40,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:45:40,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:45:40,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:45:40,323 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:45:40,324 INFO L432 ainManager$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-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2021-12-18 06:45:40,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2884d9e84/08edc30b22954beab3643e2eafc5b0fb/FLAG6cc825c25 [2021-12-18 06:45:41,246 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:45:41,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2021-12-18 06:45:41,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2884d9e84/08edc30b22954beab3643e2eafc5b0fb/FLAG6cc825c25 [2021-12-18 06:45:41,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2884d9e84/08edc30b22954beab3643e2eafc5b0fb [2021-12-18 06:45:41,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:45:41,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:45:41,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:45:41,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:45:41,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:45:41,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:45:41" (1/1) ... [2021-12-18 06:45:41,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365a2bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:41, skipping insertion in model container [2021-12-18 06:45:41,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:45:41" (1/1) ... [2021-12-18 06:45:41,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:45:41,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:45:49,640 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-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2021-12-18 06:45:50,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:45:50,249 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:45:51,256 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-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2021-12-18 06:45:51,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:45:51,590 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:45:51,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51 WrapperNode [2021-12-18 06:45:51,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:45:51,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:45:51,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:45:51,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:45:51,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:51,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:52,473 INFO L137 Inliner]: procedures = 819, calls = 13796, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26568 [2021-12-18 06:45:52,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:45:52,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:45:52,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:45:52,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:45:52,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:52,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:52,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:52,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:53,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:53,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:53,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:53,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:45:53,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:45:53,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:45:53,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:45:53,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (1/1) ... [2021-12-18 06:45:53,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:45:53,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:45:53,371 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) [2021-12-18 06:45:53,423 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 [2021-12-18 06:45:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2021-12-18 06:45:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2021-12-18 06:45:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 06:45:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2021-12-18 06:45:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2021-12-18 06:45:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-18 06:45:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-18 06:45:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 06:45:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 06:45:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2021-12-18 06:45:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2021-12-18 06:45:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 06:45:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 06:45:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2021-12-18 06:45:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2021-12-18 06:45:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 06:45:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 06:45:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 06:45:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 06:45:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2021-12-18 06:45:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2021-12-18 06:45:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2021-12-18 06:45:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2021-12-18 06:45:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-18 06:45:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-18 06:45:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2021-12-18 06:45:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2021-12-18 06:45:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-18 06:45:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-18 06:45:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 06:45:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 06:45:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2021-12-18 06:45:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2021-12-18 06:45:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2021-12-18 06:45:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2021-12-18 06:45:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-18 06:45:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-18 06:45:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2021-12-18 06:45:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2021-12-18 06:45:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 06:45:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 06:45:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2021-12-18 06:45:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2021-12-18 06:45:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2021-12-18 06:45:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2021-12-18 06:45:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-18 06:45:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-18 06:45:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 06:45:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 06:45:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2021-12-18 06:45:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2021-12-18 06:45:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 06:45:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 06:45:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2021-12-18 06:45:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2021-12-18 06:45:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2021-12-18 06:45:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2021-12-18 06:45:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-18 06:45:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-18 06:45:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-18 06:45:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-18 06:45:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-18 06:45:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-18 06:45:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:45:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 06:45:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 06:45:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2021-12-18 06:45:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2021-12-18 06:45:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-18 06:45:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-18 06:45:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 06:45:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 06:45:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2021-12-18 06:45:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2021-12-18 06:45:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2021-12-18 06:45:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2021-12-18 06:45:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2021-12-18 06:45:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2021-12-18 06:45:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:45:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:45:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:45:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-18 06:45:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-18 06:45:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:45:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 06:45:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 06:45:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 06:45:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 06:45:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:45:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 06:45:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 06:45:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 06:45:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-18 06:45:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-18 06:45:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2021-12-18 06:45:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2021-12-18 06:45:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 06:45:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 06:45:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2021-12-18 06:45:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2021-12-18 06:45:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2021-12-18 06:45:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2021-12-18 06:45:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 06:45:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 06:45:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 06:45:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 06:45:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2021-12-18 06:45:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2021-12-18 06:45:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 06:45:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 06:45:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:45:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:45:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2021-12-18 06:45:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2021-12-18 06:45:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 06:45:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 06:45:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2021-12-18 06:45:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2021-12-18 06:45:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2021-12-18 06:45:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2021-12-18 06:45:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:45:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2021-12-18 06:45:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2021-12-18 06:45:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2021-12-18 06:45:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2021-12-18 06:45:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-18 06:45:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-18 06:45:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-18 06:45:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-18 06:45:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 06:45:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 06:45:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2021-12-18 06:45:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2021-12-18 06:45:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2021-12-18 06:45:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2021-12-18 06:45:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-12-18 06:45:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-12-18 06:45:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-18 06:45:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-18 06:45:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:45:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:45:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:45:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:45:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2021-12-18 06:45:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2021-12-18 06:45:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:45:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2021-12-18 06:45:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-18 06:45:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 06:45:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 06:45:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2021-12-18 06:45:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2021-12-18 06:45:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:45:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2021-12-18 06:45:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2021-12-18 06:45:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:45:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:45:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2021-12-18 06:45:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2021-12-18 06:45:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2021-12-18 06:45:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 06:45:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2021-12-18 06:45:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 06:45:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2021-12-18 06:45:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2021-12-18 06:45:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-18 06:45:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-18 06:45:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2021-12-18 06:45:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2021-12-18 06:45:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-12-18 06:45:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-12-18 06:45:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2021-12-18 06:45:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2021-12-18 06:45:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-18 06:45:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:45:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:45:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:45:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:45:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-18 06:45:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-18 06:45:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 06:45:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 06:45:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2021-12-18 06:45:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2021-12-18 06:45:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2021-12-18 06:45:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2021-12-18 06:45:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 06:45:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 06:45:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2021-12-18 06:45:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2021-12-18 06:45:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2021-12-18 06:45:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2021-12-18 06:45:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2021-12-18 06:45:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2021-12-18 06:45:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2021-12-18 06:45:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2021-12-18 06:45:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 06:45:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 06:45:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2021-12-18 06:45:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2021-12-18 06:45:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2021-12-18 06:45:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-18 06:45:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2021-12-18 06:45:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2021-12-18 06:45:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-18 06:45:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-18 06:45:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:45:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:45:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2021-12-18 06:45:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2021-12-18 06:45:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2021-12-18 06:45:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2021-12-18 06:45:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2021-12-18 06:45:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2021-12-18 06:45:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2021-12-18 06:45:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2021-12-18 06:45:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-18 06:45:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-18 06:45:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2021-12-18 06:45:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2021-12-18 06:45:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 06:45:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 06:45:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 06:45:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 06:45:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 06:45:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 06:45:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2021-12-18 06:45:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2021-12-18 06:45:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2021-12-18 06:45:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2021-12-18 06:45:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2021-12-18 06:45:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2021-12-18 06:45:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2021-12-18 06:45:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2021-12-18 06:45:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2021-12-18 06:45:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2021-12-18 06:45:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2021-12-18 06:45:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2021-12-18 06:45:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-18 06:45:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-18 06:45:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 06:45:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 06:45:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:45:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:45:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2021-12-18 06:45:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2021-12-18 06:45:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2021-12-18 06:45:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2021-12-18 06:45:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:45:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:45:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-18 06:45:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2021-12-18 06:45:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 06:45:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2021-12-18 06:45:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2021-12-18 06:45:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2021-12-18 06:45:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2021-12-18 06:45:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:45:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:45:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-18 06:45:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-18 06:45:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2021-12-18 06:45:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2021-12-18 06:45:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2021-12-18 06:45:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2021-12-18 06:45:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2021-12-18 06:45:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2021-12-18 06:45:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2021-12-18 06:45:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-18 06:45:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2021-12-18 06:45:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 06:45:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 06:45:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2021-12-18 06:45:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2021-12-18 06:45:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2021-12-18 06:45:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-12-18 06:45:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 06:45:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 06:45:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2021-12-18 06:45:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 06:45:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2021-12-18 06:45:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2021-12-18 06:45:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2021-12-18 06:45:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-18 06:45:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2021-12-18 06:45:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2021-12-18 06:45:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 06:45:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2021-12-18 06:45:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2021-12-18 06:45:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2021-12-18 06:45:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2021-12-18 06:45:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2021-12-18 06:45:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2021-12-18 06:45:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2021-12-18 06:45:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2021-12-18 06:45:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2021-12-18 06:45:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2021-12-18 06:45:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:45:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2021-12-18 06:45:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-18 06:45:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-18 06:45:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-18 06:45:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2021-12-18 06:45:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2021-12-18 06:45:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2021-12-18 06:45:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2021-12-18 06:45:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2021-12-18 06:45:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2021-12-18 06:45:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 06:45:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 06:45:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-18 06:45:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2021-12-18 06:45:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2021-12-18 06:45:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2021-12-18 06:45:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:45:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-18 06:45:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-18 06:45:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2021-12-18 06:45:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2021-12-18 06:45:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2021-12-18 06:45:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2021-12-18 06:45:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:45:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:45:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2021-12-18 06:45:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2021-12-18 06:45:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2021-12-18 06:45:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2021-12-18 06:45:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2021-12-18 06:45:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2021-12-18 06:45:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2021-12-18 06:45:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2021-12-18 06:45:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2021-12-18 06:45:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2021-12-18 06:45:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 06:45:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 06:45:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2021-12-18 06:45:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2021-12-18 06:45:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2021-12-18 06:45:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 06:45:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2021-12-18 06:45:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 06:45:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 06:45:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2021-12-18 06:45:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 06:45:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-18 06:45:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:45:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2021-12-18 06:45:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2021-12-18 06:45:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2021-12-18 06:45:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2021-12-18 06:45:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2021-12-18 06:45:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2021-12-18 06:45:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2021-12-18 06:45:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2021-12-18 06:45:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2021-12-18 06:45:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2021-12-18 06:45:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2021-12-18 06:45:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2021-12-18 06:45:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2021-12-18 06:45:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:45:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2021-12-18 06:45:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 06:45:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2021-12-18 06:45:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-18 06:45:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-18 06:45:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2021-12-18 06:45:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2021-12-18 06:45:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 06:45:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 06:45:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2021-12-18 06:45:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2021-12-18 06:45:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2021-12-18 06:45:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2021-12-18 06:45:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2021-12-18 06:45:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2021-12-18 06:45:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2021-12-18 06:45:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 06:45:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2021-12-18 06:45:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2021-12-18 06:45:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 06:45:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2021-12-18 06:45:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-18 06:45:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2021-12-18 06:45:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 06:45:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2021-12-18 06:45:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2021-12-18 06:45:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2021-12-18 06:45:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2021-12-18 06:45:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2021-12-18 06:45:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2021-12-18 06:45:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 06:45:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 06:45:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:45:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:45:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2021-12-18 06:45:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2021-12-18 06:45:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2021-12-18 06:45:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2021-12-18 06:45:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-18 06:45:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-18 06:45:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2021-12-18 06:45:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2021-12-18 06:45:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2021-12-18 06:45:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2021-12-18 06:45:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:45:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:45:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 06:45:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 06:45:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 06:45:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 06:45:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2021-12-18 06:45:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2021-12-18 06:45:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2021-12-18 06:45:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2021-12-18 06:45:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2021-12-18 06:45:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2021-12-18 06:45:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2021-12-18 06:45:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2021-12-18 06:45:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2021-12-18 06:45:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2021-12-18 06:45:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2021-12-18 06:45:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2021-12-18 06:45:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2021-12-18 06:45:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2021-12-18 06:45:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2021-12-18 06:45:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2021-12-18 06:45:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 06:45:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 06:45:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2021-12-18 06:45:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2021-12-18 06:45:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2021-12-18 06:45:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2021-12-18 06:45:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2021-12-18 06:45:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2021-12-18 06:45:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2021-12-18 06:45:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2021-12-18 06:45:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 06:45:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 06:45:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2021-12-18 06:45:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2021-12-18 06:45:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:45:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:45:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2021-12-18 06:45:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2021-12-18 06:45:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2021-12-18 06:45:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2021-12-18 06:45:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 06:45:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-18 06:45:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-18 06:45:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2021-12-18 06:45:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2021-12-18 06:45:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2021-12-18 06:45:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2021-12-18 06:45:55,274 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:45:55,278 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:45:55,508 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:47:08,109 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:47:08,148 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:47:08,149 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 06:47:08,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:47:08 BoogieIcfgContainer [2021-12-18 06:47:08,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:47:08,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:47:08,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:47:08,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:47:08,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:45:41" (1/3) ... [2021-12-18 06:47:08,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3914c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:47:08, skipping insertion in model container [2021-12-18 06:47:08,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:45:51" (2/3) ... [2021-12-18 06:47:08,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3914c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:47:08, skipping insertion in model container [2021-12-18 06:47:08,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:47:08" (3/3) ... [2021-12-18 06:47:08,171 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2021-12-18 06:47:08,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:47:08,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:47:08,228 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:47:08,233 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 [2021-12-18 06:47:08,233 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:47:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 7477 states, 5431 states have (on average 1.4393297735223716) internal successors, (7817), 5659 states have internal predecessors, (7817), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) [2021-12-18 06:47:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-18 06:47:08,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:47:08,361 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2021-12-18 06:47:08,361 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:47:08,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:47:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2108503588, now seen corresponding path program 1 times [2021-12-18 06:47:08,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:47:08,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210800391] [2021-12-18 06:47:08,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:47:08,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:47:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:47:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:47:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:47:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:47:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:47:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:47:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:47:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:47:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:47:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:47:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:47:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:47:09,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:47:09,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210800391] [2021-12-18 06:47:09,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210800391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:47:09,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:47:09,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:47:09,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977368198] [2021-12-18 06:47:09,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:47:09,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:47:09,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:47:09,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:47:09,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:47:09,846 INFO L87 Difference]: Start difference. First operand has 7477 states, 5431 states have (on average 1.4393297735223716) internal successors, (7817), 5659 states have internal predecessors, (7817), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 06:47:18,705 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 [] [2021-12-18 06:47:21,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:47:49,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:47:53,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:07,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:11,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:11,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:48:11,252 INFO L93 Difference]: Finished difference Result 16119 states and 26073 transitions. [2021-12-18 06:48:11,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:48:11,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 173 [2021-12-18 06:48:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:48:11,364 INFO L225 Difference]: With dead ends: 16119 [2021-12-18 06:48:11,364 INFO L226 Difference]: Without dead ends: 8631 [2021-12-18 06:48:11,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:48:11,459 INFO L933 BasicCegarLoop]: 10690 mSDtfsCounter, 4556 mSDsluCounter, 10128 mSDsCounter, 0 mSdLazyCounter, 7745 mSolverCounterSat, 4590 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4656 SdHoareTripleChecker+Valid, 20818 SdHoareTripleChecker+Invalid, 12340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4590 IncrementalHoareTripleChecker+Valid, 7745 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:48:11,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4656 Valid, 20818 Invalid, 12340 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4590 Valid, 7745 Invalid, 5 Unknown, 0 Unchecked, 60.1s Time] [2021-12-18 06:48:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8631 states. [2021-12-18 06:48:11,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8631 to 7458. [2021-12-18 06:48:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7458 states, 5423 states have (on average 1.4370274755670294) internal successors, (7793), 5640 states have internal predecessors, (7793), 1777 states have call successors, (1777), 258 states have call predecessors, (1777), 257 states have return successors, (1765), 1684 states have call predecessors, (1765), 1765 states have call successors, (1765) [2021-12-18 06:48:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7458 states to 7458 states and 11335 transitions. [2021-12-18 06:48:11,935 INFO L78 Accepts]: Start accepts. Automaton has 7458 states and 11335 transitions. Word has length 173 [2021-12-18 06:48:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:48:11,936 INFO L470 AbstractCegarLoop]: Abstraction has 7458 states and 11335 transitions. [2021-12-18 06:48:11,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 06:48:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7458 states and 11335 transitions. [2021-12-18 06:48:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-18 06:48:11,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:48:11,942 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2021-12-18 06:48:11,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:48:11,943 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:48:11,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:48:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2126239578, now seen corresponding path program 1 times [2021-12-18 06:48:11,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:48:11,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690269723] [2021-12-18 06:48:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:48:11,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:48:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:48:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:48:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:48:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:48:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:48:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:48:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:48:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:48:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:48:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:48:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:48:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:48:12,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:48:12,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690269723] [2021-12-18 06:48:12,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690269723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:48:12,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:48:12,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:48:12,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327858968] [2021-12-18 06:48:12,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:48:12,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:48:12,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:48:12,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:48:12,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:48:12,836 INFO L87 Difference]: Start difference. First operand 7458 states and 11335 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-18 06:48:26,574 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 [] [2021-12-18 06:48:28,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:45,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:47,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:00,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:02,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:12,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:15,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:10,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:19,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:20,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:50:20,311 INFO L93 Difference]: Finished difference Result 23185 states and 36604 transitions. [2021-12-18 06:50:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:50:20,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 173 [2021-12-18 06:50:20,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:50:20,493 INFO L225 Difference]: With dead ends: 23185 [2021-12-18 06:50:20,494 INFO L226 Difference]: Without dead ends: 15753 [2021-12-18 06:50:20,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:50:20,529 INFO L933 BasicCegarLoop]: 11945 mSDtfsCounter, 17594 mSDsluCounter, 24959 mSDsCounter, 0 mSdLazyCounter, 16879 mSolverCounterSat, 9559 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18606 SdHoareTripleChecker+Valid, 36904 SdHoareTripleChecker+Invalid, 26446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 9559 IncrementalHoareTripleChecker+Valid, 16879 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:50:20,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18606 Valid, 36904 Invalid, 26446 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [9559 Valid, 16879 Invalid, 8 Unknown, 0 Unchecked, 125.5s Time] [2021-12-18 06:50:20,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15753 states. [2021-12-18 06:50:21,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15753 to 13442. [2021-12-18 06:50:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13442 states, 9750 states have (on average 1.4341538461538461) internal successors, (13983), 10168 states have internal predecessors, (13983), 3194 states have call successors, (3194), 490 states have call predecessors, (3194), 497 states have return successors, (3221), 3020 states have call predecessors, (3221), 3182 states have call successors, (3221) [2021-12-18 06:50:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13442 states to 13442 states and 20398 transitions. [2021-12-18 06:50:21,119 INFO L78 Accepts]: Start accepts. Automaton has 13442 states and 20398 transitions. Word has length 173 [2021-12-18 06:50:21,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:50:21,121 INFO L470 AbstractCegarLoop]: Abstraction has 13442 states and 20398 transitions. [2021-12-18 06:50:21,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-18 06:50:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 13442 states and 20398 transitions. [2021-12-18 06:50:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-18 06:50:21,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:50:21,125 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2021-12-18 06:50:21,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:50:21,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:50:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:50:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash 987484616, now seen corresponding path program 1 times [2021-12-18 06:50:21,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:50:21,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409624153] [2021-12-18 06:50:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:50:21,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:50:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:50:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:50:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:50:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:50:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:50:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:50:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:50:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:50:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:50:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:50:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:50:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:50:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:50:22,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:50:22,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409624153] [2021-12-18 06:50:22,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409624153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:50:22,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:50:22,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:50:22,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944249535] [2021-12-18 06:50:22,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:50:22,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:50:22,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:50:22,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:50:22,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:50:22,114 INFO L87 Difference]: Start difference. First operand 13442 states and 20398 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:50:32,301 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 [] [2021-12-18 06:50:47,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:53,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:55,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:13,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:23,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:51:25,848 INFO L93 Difference]: Finished difference Result 17077 states and 28038 transitions. [2021-12-18 06:51:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:51:25,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 180 [2021-12-18 06:51:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:51:25,972 INFO L225 Difference]: With dead ends: 17077 [2021-12-18 06:51:25,972 INFO L226 Difference]: Without dead ends: 17074 [2021-12-18 06:51:25,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:51:25,990 INFO L933 BasicCegarLoop]: 10639 mSDtfsCounter, 20930 mSDsluCounter, 10549 mSDsCounter, 0 mSdLazyCounter, 7186 mSolverCounterSat, 12154 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22407 SdHoareTripleChecker+Valid, 21188 SdHoareTripleChecker+Invalid, 19346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12154 IncrementalHoareTripleChecker+Valid, 7186 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:51:25,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22407 Valid, 21188 Invalid, 19346 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12154 Valid, 7186 Invalid, 6 Unknown, 0 Unchecked, 62.2s Time] [2021-12-18 06:51:26,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17074 states. [2021-12-18 06:51:26,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17074 to 13434. [2021-12-18 06:51:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13434 states, 9748 states have (on average 1.433935166187936) internal successors, (13978), 10163 states have internal predecessors, (13978), 3192 states have call successors, (3192), 493 states have call predecessors, (3192), 493 states have return successors, (3199), 3017 states have call predecessors, (3199), 3181 states have call successors, (3199) [2021-12-18 06:51:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13434 states to 13434 states and 20369 transitions. [2021-12-18 06:51:26,592 INFO L78 Accepts]: Start accepts. Automaton has 13434 states and 20369 transitions. Word has length 180 [2021-12-18 06:51:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:51:26,593 INFO L470 AbstractCegarLoop]: Abstraction has 13434 states and 20369 transitions. [2021-12-18 06:51:26,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:51:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13434 states and 20369 transitions. [2021-12-18 06:51:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-18 06:51:26,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:51:26,596 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1] [2021-12-18 06:51:26,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:51:26,597 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:51:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:51:26,597 INFO L85 PathProgramCache]: Analyzing trace with hash 544412357, now seen corresponding path program 1 times [2021-12-18 06:51:26,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:51:26,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798798412] [2021-12-18 06:51:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:51:26,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:51:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:51:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:51:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:51:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:51:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:51:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:51:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:51:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:51:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:51:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:51:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:51:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:51:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:51:27,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:51:27,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798798412] [2021-12-18 06:51:27,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798798412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:51:27,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:51:27,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:51:27,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264855202] [2021-12-18 06:51:27,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:51:27,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:51:27,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:51:27,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:51:27,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:51:27,483 INFO L87 Difference]: Start difference. First operand 13434 states and 20369 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:51:43,664 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 [] [2021-12-18 06:52:12,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:14,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:18,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:20,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:37,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:01,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:54,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:59,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:01,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:03,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:54:03,618 INFO L93 Difference]: Finished difference Result 25436 states and 41179 transitions. [2021-12-18 06:54:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:54:03,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 181 [2021-12-18 06:54:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:54:03,855 INFO L225 Difference]: With dead ends: 25436 [2021-12-18 06:54:03,856 INFO L226 Difference]: Without dead ends: 25432 [2021-12-18 06:54:03,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:54:03,871 INFO L933 BasicCegarLoop]: 11176 mSDtfsCounter, 18170 mSDsluCounter, 25374 mSDsCounter, 0 mSdLazyCounter, 20231 mSolverCounterSat, 9393 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19647 SdHoareTripleChecker+Valid, 36550 SdHoareTripleChecker+Invalid, 29631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 9393 IncrementalHoareTripleChecker+Valid, 20231 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:54:03,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19647 Valid, 36550 Invalid, 29631 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [9393 Valid, 20231 Invalid, 7 Unknown, 0 Unchecked, 153.8s Time] [2021-12-18 06:54:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25432 states. [2021-12-18 06:54:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25432 to 19262. [2021-12-18 06:54:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19262 states, 13977 states have (on average 1.4256278171281391) internal successors, (19926), 14576 states have internal predecessors, (19926), 4443 states have call successors, (4443), 841 states have call predecessors, (4443), 841 states have return successors, (4455), 4198 states have call predecessors, (4455), 4434 states have call successors, (4455) [2021-12-18 06:54:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19262 states to 19262 states and 28824 transitions. [2021-12-18 06:54:04,710 INFO L78 Accepts]: Start accepts. Automaton has 19262 states and 28824 transitions. Word has length 181 [2021-12-18 06:54:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:54:04,711 INFO L470 AbstractCegarLoop]: Abstraction has 19262 states and 28824 transitions. [2021-12-18 06:54:04,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:54:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19262 states and 28824 transitions. [2021-12-18 06:54:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-18 06:54:04,715 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:54:04,715 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1, 1] [2021-12-18 06:54:04,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 06:54:04,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:54:04,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:54:04,716 INFO L85 PathProgramCache]: Analyzing trace with hash -305920917, now seen corresponding path program 1 times [2021-12-18 06:54:04,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:54:04,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235268401] [2021-12-18 06:54:04,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:54:04,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:54:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:54:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:54:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:54:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:54:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:54:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:54:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:54:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:54:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:54:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:54:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:54:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:54:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:54:05,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:54:05,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235268401] [2021-12-18 06:54:05,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235268401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:54:05,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:54:05,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:54:05,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797247287] [2021-12-18 06:54:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:54:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:54:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:54:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:54:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:54:05,577 INFO L87 Difference]: Start difference. First operand 19262 states and 28824 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:54:17,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:34,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:37,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:44,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:14,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:18,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:55:18,214 INFO L93 Difference]: Finished difference Result 25428 states and 41169 transitions. [2021-12-18 06:55:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:55:18,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 182 [2021-12-18 06:55:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:55:18,378 INFO L225 Difference]: With dead ends: 25428 [2021-12-18 06:55:18,378 INFO L226 Difference]: Without dead ends: 25425 [2021-12-18 06:55:18,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:55:18,399 INFO L933 BasicCegarLoop]: 10665 mSDtfsCounter, 19065 mSDsluCounter, 11171 mSDsCounter, 0 mSdLazyCounter, 7748 mSolverCounterSat, 9774 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20625 SdHoareTripleChecker+Valid, 21836 SdHoareTripleChecker+Invalid, 17528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9774 IncrementalHoareTripleChecker+Valid, 7748 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:55:18,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20625 Valid, 21836 Invalid, 17528 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9774 Valid, 7748 Invalid, 6 Unknown, 0 Unchecked, 70.8s Time] [2021-12-18 06:55:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25425 states. [2021-12-18 06:55:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25425 to 19261. [2021-12-18 06:55:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19261 states, 13977 states have (on average 1.4255562710166703) internal successors, (19925), 14575 states have internal predecessors, (19925), 4442 states have call successors, (4442), 841 states have call predecessors, (4442), 841 states have return successors, (4455), 4198 states have call predecessors, (4455), 4434 states have call successors, (4455) [2021-12-18 06:55:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19261 states to 19261 states and 28822 transitions. [2021-12-18 06:55:19,337 INFO L78 Accepts]: Start accepts. Automaton has 19261 states and 28822 transitions. Word has length 182 [2021-12-18 06:55:19,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:55:19,337 INFO L470 AbstractCegarLoop]: Abstraction has 19261 states and 28822 transitions. [2021-12-18 06:55:19,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:55:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 19261 states and 28822 transitions. [2021-12-18 06:55:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-18 06:55:19,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:55:19,340 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1, 1, 1] [2021-12-18 06:55:19,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:55:19,341 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:55:19,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:55:19,341 INFO L85 PathProgramCache]: Analyzing trace with hash -896443768, now seen corresponding path program 1 times [2021-12-18 06:55:19,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:55:19,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241532671] [2021-12-18 06:55:19,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:55:19,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:55:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:55:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:55:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:55:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:55:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:55:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:55:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:55:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:55:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:55:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:55:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:55:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:55:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:55:20,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:55:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241532671] [2021-12-18 06:55:20,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241532671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:55:20,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:55:20,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:55:20,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699936592] [2021-12-18 06:55:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:55:20,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:55:20,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:55:20,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:55:20,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:55:20,308 INFO L87 Difference]: Start difference. First operand 19261 states and 28822 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:55:35,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:41,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:05,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:07,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:10,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:24,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:47,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:48,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:59,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:58:09,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:58:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:58:10,881 INFO L93 Difference]: Finished difference Result 69884 states and 113369 transitions. [2021-12-18 06:58:10,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:58:10,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 183 [2021-12-18 06:58:10,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:58:11,405 INFO L225 Difference]: With dead ends: 69884 [2021-12-18 06:58:11,405 INFO L226 Difference]: Without dead ends: 50649 [2021-12-18 06:58:11,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:58:11,559 INFO L933 BasicCegarLoop]: 12667 mSDtfsCounter, 23813 mSDsluCounter, 27230 mSDsCounter, 0 mSdLazyCounter, 19981 mSolverCounterSat, 12848 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25469 SdHoareTripleChecker+Valid, 39897 SdHoareTripleChecker+Invalid, 32838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 12848 IncrementalHoareTripleChecker+Valid, 19981 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.7s IncrementalHoareTripleChecker+Time [2021-12-18 06:58:11,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25469 Valid, 39897 Invalid, 32838 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [12848 Valid, 19981 Invalid, 9 Unknown, 0 Unchecked, 166.7s Time] [2021-12-18 06:58:11,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50649 states. [2021-12-18 06:58:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50649 to 42281. [2021-12-18 06:58:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42281 states, 30650 states have (on average 1.4146166394779771) internal successors, (43358), 31934 states have internal predecessors, (43358), 9517 states have call successors, (9517), 1670 states have call predecessors, (9517), 2113 states have return successors, (14345), 9426 states have call predecessors, (14345), 9508 states have call successors, (14345) [2021-12-18 06:58:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42281 states to 42281 states and 67220 transitions. [2021-12-18 06:58:14,095 INFO L78 Accepts]: Start accepts. Automaton has 42281 states and 67220 transitions. Word has length 183 [2021-12-18 06:58:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:58:14,096 INFO L470 AbstractCegarLoop]: Abstraction has 42281 states and 67220 transitions. [2021-12-18 06:58:14,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:58:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 42281 states and 67220 transitions. [2021-12-18 06:58:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 06:58:14,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:58:14,100 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1] [2021-12-18 06:58:14,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 06:58:14,100 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:58:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:58:14,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2022778098, now seen corresponding path program 1 times [2021-12-18 06:58:14,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:58:14,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297093487] [2021-12-18 06:58:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:58:14,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:58:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:58:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:58:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:58:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:58:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:58:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:58:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:58:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:58:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:58:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:58:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 06:58:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 06:58:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 06:58:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 06:58:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 06:58:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 06:58:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:58:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:58:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:58:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 06:58:15,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:58:15,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297093487] [2021-12-18 06:58:15,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297093487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:58:15,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:58:15,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:58:15,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701205909] [2021-12-18 06:58:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:58:15,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:58:15,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:58:15,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:58:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:58:15,302 INFO L87 Difference]: Start difference. First operand 42281 states and 67220 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 06:58:32,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:00,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:03,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:05,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:08,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:10,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:12,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:18,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:59:34,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15