./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:00:11,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:00:11,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:00:11,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:00:11,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:00:11,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:00:11,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:00:11,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:00:11,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:00:11,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:00:11,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:00:11,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:00:11,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:00:11,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:00:11,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:00:11,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:00:11,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:00:11,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:00:11,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:00:11,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:00:11,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:00:11,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:00:11,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:00:11,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:00:11,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:00:11,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:00:11,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:00:11,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:00:11,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:00:11,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:00:11,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:00:11,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:00:11,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:00:11,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:00:11,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:00:11,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:00:11,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:00:11,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:00:11,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:00:11,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:00:11,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:00:11,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:00:11,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:00:11,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:00:11,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:00:11,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:00:11,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:00:11,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:00:11,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:00:11,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:00:11,487 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:00:11,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:00:11,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:00:11,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:00:11,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:00:11,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:00:11,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:00:11,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:00:11,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:00:11,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:00:11,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:00:11,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:00:11,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:00:11,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:00:11,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:00:11,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:00:11,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:00:11,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-12-28 04:00:11,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:00:11,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:00:11,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:00:11,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:00:11,830 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:00:11,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-28 04:00:11,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548674aa4/79ae342d32244ae4b08757f3ac826a07/FLAG43293ff6f [2021-12-28 04:00:12,702 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:00:12,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-28 04:00:12,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548674aa4/79ae342d32244ae4b08757f3ac826a07/FLAG43293ff6f [2021-12-28 04:00:13,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548674aa4/79ae342d32244ae4b08757f3ac826a07 [2021-12-28 04:00:13,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:00:13,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:00:13,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:00:13,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:00:13,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:00:13,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:00:13" (1/1) ... [2021-12-28 04:00:13,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c652161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:13, skipping insertion in model container [2021-12-28 04:00:13,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:00:13" (1/1) ... [2021-12-28 04:00:13,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:00:13,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:00:13,974 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-12-28 04:00:13,975 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-12-28 04:00:14,518 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-12-28 04:00:15,904 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:00:15,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:00:15,993 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:00:16,089 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-12-28 04:00:16,090 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-12-28 04:00:16,105 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-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-12-28 04:00:16,618 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:00:16,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:00:16,765 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:00:16,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16 WrapperNode [2021-12-28 04:00:16,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:00:16,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:00:16,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:00:16,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:00:16,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:16,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,142 INFO L137 Inliner]: procedures = 454, calls = 2280, calls flagged for inlining = 217, calls inlined = 215, statements flattened = 7339 [2021-12-28 04:00:17,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:00:17,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:00:17,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:00:17,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:00:17,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:00:17,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:00:17,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:00:17,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:00:17,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (1/1) ... [2021-12-28 04:00:17,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:00:17,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:00:17,528 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) [2021-12-28 04:00:17,556 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 [2021-12-28 04:00:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:00:17,571 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:00:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:00:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2021-12-28 04:00:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2021-12-28 04:00:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2021-12-28 04:00:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2021-12-28 04:00:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-28 04:00:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-28 04:00:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-12-28 04:00:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-12-28 04:00:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 04:00:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 04:00:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2021-12-28 04:00:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2021-12-28 04:00:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:00:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:00:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:00:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:00:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2021-12-28 04:00:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2021-12-28 04:00:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2021-12-28 04:00:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2021-12-28 04:00:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2021-12-28 04:00:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2021-12-28 04:00:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-28 04:00:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-28 04:00:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2021-12-28 04:00:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2021-12-28 04:00:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2021-12-28 04:00:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2021-12-28 04:00:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2021-12-28 04:00:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2021-12-28 04:00:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2021-12-28 04:00:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2021-12-28 04:00:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2021-12-28 04:00:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2021-12-28 04:00:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2021-12-28 04:00:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2021-12-28 04:00:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:00:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:00:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-28 04:00:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-28 04:00:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2021-12-28 04:00:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2021-12-28 04:00:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 04:00:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2021-12-28 04:00:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2021-12-28 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2021-12-28 04:00:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2021-12-28 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-28 04:00:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-28 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2021-12-28 04:00:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2021-12-28 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2021-12-28 04:00:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2021-12-28 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2021-12-28 04:00:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2021-12-28 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2021-12-28 04:00:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2021-12-28 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2021-12-28 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2021-12-28 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2021-12-28 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2021-12-28 04:00:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:00:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:00:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2021-12-28 04:00:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2021-12-28 04:00:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-28 04:00:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-28 04:00:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2021-12-28 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2021-12-28 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2021-12-28 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2021-12-28 04:00:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:00:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-12-28 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-12-28 04:00:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2021-12-28 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2021-12-28 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:00:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-28 04:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-28 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-12-28 04:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-12-28 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2021-12-28 04:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2021-12-28 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2021-12-28 04:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2021-12-28 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-28 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-28 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2021-12-28 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2021-12-28 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2021-12-28 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2021-12-28 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2021-12-28 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2021-12-28 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-28 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-28 04:00:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2021-12-28 04:00:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2021-12-28 04:00:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2021-12-28 04:00:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2021-12-28 04:00:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-12-28 04:00:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-12-28 04:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2021-12-28 04:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2021-12-28 04:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2021-12-28 04:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2021-12-28 04:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2021-12-28 04:00:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2021-12-28 04:00:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2021-12-28 04:00:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2021-12-28 04:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:00:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:00:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2021-12-28 04:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2021-12-28 04:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2021-12-28 04:00:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2021-12-28 04:00:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2021-12-28 04:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2021-12-28 04:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2021-12-28 04:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2021-12-28 04:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-28 04:00:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-28 04:00:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2021-12-28 04:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2021-12-28 04:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:00:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2021-12-28 04:00:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2021-12-28 04:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2021-12-28 04:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2021-12-28 04:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-28 04:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-28 04:00:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2021-12-28 04:00:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2021-12-28 04:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2021-12-28 04:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2021-12-28 04:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2021-12-28 04:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2021-12-28 04:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:00:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:00:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-28 04:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-28 04:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-28 04:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-28 04:00:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-28 04:00:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-28 04:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:00:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-28 04:00:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-28 04:00:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2021-12-28 04:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2021-12-28 04:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2021-12-28 04:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2021-12-28 04:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2021-12-28 04:00:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2021-12-28 04:00:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2021-12-28 04:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2021-12-28 04:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-28 04:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-28 04:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-28 04:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-28 04:00:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:00:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2021-12-28 04:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2021-12-28 04:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2021-12-28 04:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2021-12-28 04:00:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2021-12-28 04:00:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2021-12-28 04:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2021-12-28 04:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2021-12-28 04:00:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2021-12-28 04:00:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2021-12-28 04:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-12-28 04:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-12-28 04:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2021-12-28 04:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2021-12-28 04:00:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2021-12-28 04:00:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2021-12-28 04:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2021-12-28 04:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2021-12-28 04:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:00:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2021-12-28 04:00:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2021-12-28 04:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2021-12-28 04:00:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2021-12-28 04:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-28 04:00:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-28 04:00:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-12-28 04:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-12-28 04:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-28 04:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-28 04:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2021-12-28 04:00:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2021-12-28 04:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-28 04:00:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-28 04:00:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:00:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-12-28 04:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-12-28 04:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2021-12-28 04:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2021-12-28 04:00:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:00:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 04:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 04:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2021-12-28 04:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2021-12-28 04:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-28 04:00:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-28 04:00:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2021-12-28 04:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2021-12-28 04:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2021-12-28 04:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2021-12-28 04:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2021-12-28 04:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2021-12-28 04:00:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:00:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:00:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2021-12-28 04:00:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2021-12-28 04:00:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2021-12-28 04:00:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2021-12-28 04:00:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2021-12-28 04:00:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2021-12-28 04:00:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2021-12-28 04:00:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2021-12-28 04:00:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2021-12-28 04:00:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2021-12-28 04:00:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:00:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:00:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-28 04:00:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-28 04:00:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:00:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:00:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2021-12-28 04:00:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2021-12-28 04:00:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2021-12-28 04:00:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2021-12-28 04:00:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:00:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2021-12-28 04:00:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2021-12-28 04:00:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2021-12-28 04:00:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2021-12-28 04:00:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:00:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:00:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-12-28 04:00:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-12-28 04:00:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2021-12-28 04:00:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2021-12-28 04:00:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-28 04:00:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-28 04:00:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2021-12-28 04:00:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2021-12-28 04:00:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:00:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:00:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-28 04:00:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-28 04:00:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2021-12-28 04:00:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2021-12-28 04:00:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-28 04:00:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-28 04:00:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2021-12-28 04:00:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2021-12-28 04:00:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2021-12-28 04:00:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2021-12-28 04:00:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2021-12-28 04:00:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2021-12-28 04:00:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:00:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:00:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2021-12-28 04:00:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2021-12-28 04:00:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-28 04:00:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-28 04:00:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2021-12-28 04:00:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2021-12-28 04:00:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2021-12-28 04:00:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2021-12-28 04:00:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:00:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:00:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2021-12-28 04:00:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2021-12-28 04:00:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2021-12-28 04:00:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2021-12-28 04:00:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:00:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-12-28 04:00:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-12-28 04:00:18,586 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:00:18,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:00:18,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:00:24,003 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:00:24,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:00:24,026 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:00:24,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:00:24 BoogieIcfgContainer [2021-12-28 04:00:24,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:00:24,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:00:24,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:00:24,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:00:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:00:13" (1/3) ... [2021-12-28 04:00:24,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34db8e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:00:24, skipping insertion in model container [2021-12-28 04:00:24,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:00:16" (2/3) ... [2021-12-28 04:00:24,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34db8e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:00:24, skipping insertion in model container [2021-12-28 04:00:24,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:00:24" (3/3) ... [2021-12-28 04:00:24,038 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-12-28 04:00:24,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:00:24,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:00:24,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:00:24,091 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 [2021-12-28 04:00:24,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:00:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2021-12-28 04:00:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-28 04:00:24,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:24,201 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:00:24,202 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:24,210 INFO L85 PathProgramCache]: Analyzing trace with hash 517155252, now seen corresponding path program 1 times [2021-12-28 04:00:24,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:24,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366968625] [2021-12-28 04:00:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:24,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:00:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:00:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:00:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:00:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:00:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:00:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:00:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:00:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:00:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:00:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:00:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:00:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:00:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:00:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:00:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:00:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:00:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:00:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:00:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:00:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:00:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:00:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:00:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:00:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:00:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 04:00:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 04:00:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:00:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-28 04:00:25,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:25,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366968625] [2021-12-28 04:00:25,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366968625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:25,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:25,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:00:25,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313994320] [2021-12-28 04:00:25,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:25,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:00:25,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:00:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:00:25,366 INFO L87 Difference]: Start difference. First operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:31,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:31,855 INFO L93 Difference]: Finished difference Result 8005 states and 11723 transitions. [2021-12-28 04:00:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:00:31,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 214 [2021-12-28 04:00:31,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:31,929 INFO L225 Difference]: With dead ends: 8005 [2021-12-28 04:00:31,929 INFO L226 Difference]: Without dead ends: 5218 [2021-12-28 04:00:31,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:31,963 INFO L933 BasicCegarLoop]: 4142 mSDtfsCounter, 4495 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3131 mSolverCounterSat, 1780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5017 SdHoareTripleChecker+Valid, 8072 SdHoareTripleChecker+Invalid, 4911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1780 IncrementalHoareTripleChecker+Valid, 3131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:31,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5017 Valid, 8072 Invalid, 4911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1780 Valid, 3131 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-28 04:00:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2021-12-28 04:00:32,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 4981. [2021-12-28 04:00:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3434 states have (on average 1.3444962143273151) internal successors, (4617), 3611 states have internal predecessors, (4617), 1238 states have call successors, (1238), 309 states have call predecessors, (1238), 308 states have return successors, (1237), 1206 states have call predecessors, (1237), 1237 states have call successors, (1237) [2021-12-28 04:00:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7092 transitions. [2021-12-28 04:00:32,310 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7092 transitions. Word has length 214 [2021-12-28 04:00:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:32,314 INFO L470 AbstractCegarLoop]: Abstraction has 4981 states and 7092 transitions. [2021-12-28 04:00:32,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7092 transitions. [2021-12-28 04:00:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-28 04:00:32,323 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:32,324 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:00:32,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:00:32,324 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:32,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2586623, now seen corresponding path program 1 times [2021-12-28 04:00:32,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:32,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156955339] [2021-12-28 04:00:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:32,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:00:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:00:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:00:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:00:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:00:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:00:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:00:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:00:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:00:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:00:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:00:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:00:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:00:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:00:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:00:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:00:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:00:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:00:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:00:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:00:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:00:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:00:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:00:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:00:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:00:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:00:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:00:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:00:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-28 04:00:32,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:32,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156955339] [2021-12-28 04:00:32,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156955339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:32,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:32,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:00:32,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282166580] [2021-12-28 04:00:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:32,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:00:32,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:00:32,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:00:32,965 INFO L87 Difference]: Start difference. First operand 4981 states and 7092 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:39,296 INFO L93 Difference]: Finished difference Result 15018 states and 21515 transitions. [2021-12-28 04:00:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:00:39,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 213 [2021-12-28 04:00:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:39,367 INFO L225 Difference]: With dead ends: 15018 [2021-12-28 04:00:39,368 INFO L226 Difference]: Without dead ends: 10096 [2021-12-28 04:00:39,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:39,397 INFO L933 BasicCegarLoop]: 4541 mSDtfsCounter, 4776 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 1721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5356 SdHoareTripleChecker+Valid, 8653 SdHoareTripleChecker+Invalid, 4945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:39,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5356 Valid, 8653 Invalid, 4945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1721 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-28 04:00:39,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10096 states. [2021-12-28 04:00:39,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10096 to 9627. [2021-12-28 04:00:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 6657 states have (on average 1.3406940063091484) internal successors, (8925), 6996 states have internal predecessors, (8925), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2021-12-28 04:00:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 13638 transitions. [2021-12-28 04:00:39,896 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 13638 transitions. Word has length 213 [2021-12-28 04:00:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:39,897 INFO L470 AbstractCegarLoop]: Abstraction has 9627 states and 13638 transitions. [2021-12-28 04:00:39,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 13638 transitions. [2021-12-28 04:00:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-28 04:00:39,904 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:39,904 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:00:39,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:00:39,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1347570925, now seen corresponding path program 1 times [2021-12-28 04:00:39,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:39,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586293548] [2021-12-28 04:00:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:39,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:00:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:00:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:00:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:00:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:00:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:00:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:00:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:00:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:00:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:00:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:00:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:00:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:00:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:00:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:00:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:00:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:00:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:00:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:00:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:00:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:00:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:00:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:00:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:00:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:00:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:00:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:00:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:00:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-12-28 04:00:40,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:40,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586293548] [2021-12-28 04:00:40,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586293548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:40,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:40,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:00:40,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415832200] [2021-12-28 04:00:40,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:40,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:00:40,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:40,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:00:40,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:00:40,398 INFO L87 Difference]: Start difference. First operand 9627 states and 13638 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:45,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:45,906 INFO L93 Difference]: Finished difference Result 27017 states and 38426 transitions. [2021-12-28 04:00:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:00:45,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 220 [2021-12-28 04:00:45,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:46,011 INFO L225 Difference]: With dead ends: 27017 [2021-12-28 04:00:46,011 INFO L226 Difference]: Without dead ends: 17449 [2021-12-28 04:00:46,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:46,060 INFO L933 BasicCegarLoop]: 6208 mSDtfsCounter, 4091 mSDsluCounter, 4603 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 1382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 10811 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1382 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:46,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4671 Valid, 10811 Invalid, 4949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1382 Valid, 3567 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 04:00:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17449 states. [2021-12-28 04:00:46,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17449 to 16622. [2021-12-28 04:00:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16622 states, 11543 states have (on average 1.3377804730139478) internal successors, (15442), 12127 states have internal predecessors, (15442), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-12-28 04:00:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16622 states to 16622 states and 23411 transitions. [2021-12-28 04:00:46,708 INFO L78 Accepts]: Start accepts. Automaton has 16622 states and 23411 transitions. Word has length 220 [2021-12-28 04:00:46,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:46,709 INFO L470 AbstractCegarLoop]: Abstraction has 16622 states and 23411 transitions. [2021-12-28 04:00:46,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-28 04:00:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 16622 states and 23411 transitions. [2021-12-28 04:00:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-28 04:00:46,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:46,732 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:00:46,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:00:46,732 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:46,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:46,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1196821462, now seen corresponding path program 1 times [2021-12-28 04:00:46,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:46,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78140660] [2021-12-28 04:00:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:46,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:00:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:00:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:00:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:00:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:00:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:00:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:00:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:00:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:00:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:00:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:00:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:00:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:00:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:00:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:00:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:00:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:00:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:00:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:00:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:00:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:00:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:00:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:00:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:00:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:00:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 04:00:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:00:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-28 04:00:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:00:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:00:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:00:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 04:00:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:00:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-28 04:00:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:00:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 04:00:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:00:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:00:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-28 04:00:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-28 04:00:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 04:00:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-28 04:00:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-28 04:00:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-28 04:00:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-28 04:00:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-28 04:00:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-28 04:00:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-28 04:00:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-28 04:00:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:00:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-12-28 04:00:47,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:47,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78140660] [2021-12-28 04:00:47,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78140660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:47,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:47,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:00:47,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86074337] [2021-12-28 04:00:47,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:47,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:00:47,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:47,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:00:47,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:00:47,684 INFO L87 Difference]: Start difference. First operand 16622 states and 23411 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-28 04:00:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:52,614 INFO L93 Difference]: Finished difference Result 29009 states and 41217 transitions. [2021-12-28 04:00:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:00:52,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 370 [2021-12-28 04:00:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:52,872 INFO L225 Difference]: With dead ends: 29009 [2021-12-28 04:00:52,872 INFO L226 Difference]: Without dead ends: 29006 [2021-12-28 04:00:52,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:52,889 INFO L933 BasicCegarLoop]: 4310 mSDtfsCounter, 3963 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 1485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4317 SdHoareTripleChecker+Valid, 7951 SdHoareTripleChecker+Invalid, 4292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1485 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:52,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4317 Valid, 7951 Invalid, 4292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1485 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 04:00:52,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29006 states. [2021-12-28 04:00:53,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29006 to 27409. [2021-12-28 04:00:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27409 states, 19383 states have (on average 1.343600061909921) internal successors, (26043), 20255 states have internal predecessors, (26043), 6038 states have call successors, (6038), 1964 states have call predecessors, (6038), 1987 states have return successors, (6345), 5863 states have call predecessors, (6345), 6037 states have call successors, (6345) [2021-12-28 04:00:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27409 states to 27409 states and 38426 transitions. [2021-12-28 04:00:54,049 INFO L78 Accepts]: Start accepts. Automaton has 27409 states and 38426 transitions. Word has length 370 [2021-12-28 04:00:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:54,050 INFO L470 AbstractCegarLoop]: Abstraction has 27409 states and 38426 transitions. [2021-12-28 04:00:54,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-28 04:00:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 27409 states and 38426 transitions. [2021-12-28 04:00:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-28 04:00:54,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:54,118 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:00:54,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:00:54,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:54,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1958315436, now seen corresponding path program 1 times [2021-12-28 04:00:54,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:54,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205446215] [2021-12-28 04:00:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:54,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:00:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:00:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:00:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:00:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:00:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:00:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:00:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:00:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:00:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:00:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:00:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:00:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:00:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:00:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:00:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:00:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:00:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:00:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:00:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:00:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:00:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:00:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:00:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:00:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:00:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 04:00:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:00:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-28 04:00:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:00:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:00:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:00:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 04:00:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:00:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-28 04:00:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:00:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 04:00:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:00:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:00:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-28 04:00:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-28 04:00:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 04:00:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-28 04:00:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-28 04:00:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-28 04:00:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-28 04:00:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-28 04:00:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-28 04:00:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-28 04:00:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:00:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-28 04:00:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-28 04:00:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-28 04:00:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-12-28 04:00:54,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205446215] [2021-12-28 04:00:54,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205446215] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:54,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:54,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:00:54,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377297223] [2021-12-28 04:00:54,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:54,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:00:54,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:00:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:54,897 INFO L87 Difference]: Start difference. First operand 27409 states and 38426 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55)