java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 08:36:33,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 08:36:33,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 08:36:33,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 08:36:33,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 08:36:33,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 08:36:33,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 08:36:33,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 08:36:33,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 08:36:33,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 08:36:33,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 08:36:33,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 08:36:33,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 08:36:33,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 08:36:33,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 08:36:33,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 08:36:33,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 08:36:33,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 08:36:33,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 08:36:33,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 08:36:33,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 08:36:33,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 08:36:33,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 08:36:33,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 08:36:33,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 08:36:33,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 08:36:33,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 08:36:33,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 08:36:33,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 08:36:33,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 08:36:33,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 08:36:33,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 08:36:33,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 08:36:33,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 08:36:33,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 08:36:33,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 08:36:33,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 08:36:33,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 08:36:33,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 08:36:33,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 08:36:33,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 08:36:33,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 08:36:33,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 08:36:33,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 08:36:33,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 08:36:33,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 08:36:33,574 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 08:36:33,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 08:36:33,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 08:36:33,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 08:36:33,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 08:36:33,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 08:36:33,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 08:36:33,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 08:36:33,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 08:36:33,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 08:36:33,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 08:36:33,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 08:36:33,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 08:36:33,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 08:36:33,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 08:36:33,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 08:36:33,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 08:36:33,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 08:36:33,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 08:36:33,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 08:36:33,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 08:36:33,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 08:36:33,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 08:36:33,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 08:36:33,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 08:36:33,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 08:36:33,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 08:36:33,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 08:36:33,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 08:36:33,668 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 08:36:33,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-02 08:36:33,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a682e7e1/e5f8a16d7e8d40f68b1ffe127cc49cb1/FLAGe981ddfd7 [2019-10-02 08:36:34,775 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 08:36:34,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-02 08:36:34,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a682e7e1/e5f8a16d7e8d40f68b1ffe127cc49cb1/FLAGe981ddfd7 [2019-10-02 08:36:35,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a682e7e1/e5f8a16d7e8d40f68b1ffe127cc49cb1 [2019-10-02 08:36:35,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 08:36:35,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 08:36:35,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 08:36:35,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 08:36:35,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 08:36:35,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:36:35" (1/1) ... [2019-10-02 08:36:35,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4be323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:35, skipping insertion in model container [2019-10-02 08:36:35,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:36:35" (1/1) ... [2019-10-02 08:36:35,109 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 08:36:35,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 08:36:39,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:36:39,905 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 08:36:40,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:36:41,651 INFO L192 MainTranslator]: Completed translation [2019-10-02 08:36:41,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41 WrapperNode [2019-10-02 08:36:41,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 08:36:41,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 08:36:41,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 08:36:41,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 08:36:41,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:41,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:41,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:41,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:42,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:42,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:42,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... [2019-10-02 08:36:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 08:36:42,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 08:36:42,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 08:36:42,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 08:36:42,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 08:36:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 08:36:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 08:36:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 08:36:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 08:36:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-02 08:36:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-02 08:36:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 08:36:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-02 08:36:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 08:36:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 08:36:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure current_top_of_stack [2019-10-02 08:36:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 08:36:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-02 08:36:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 08:36:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 08:36:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2019-10-02 08:36:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_dev [2019-10-02 08:36:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_event_file [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_umcast [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup_ucontext [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2019-10-02 08:36:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_comp_handler [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_async_handler [2019-10-02 08:36:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cq_event_handler [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_qp_event_handler [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_srq_event_handler [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_handler [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_lookup_comp_file [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2019-10-02 08:36:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure find_overflow_devnum [2019-10-02 08:36:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure uverbs_devnode [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_init [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-02 08:36:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ib_client_4 [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 08:36:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_6 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_7 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_9 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_10 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_11 [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-02 08:36:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-02 08:36:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-02 08:36:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___0 [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___0 [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2019-10-02 08:36:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_poll_cq [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure release_uobj [2019-10-02 08:36:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2019-10-02 08:36:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2019-10-02 08:36:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_ah [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_ah_read [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2019-10-02 08:36:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_get_context [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_device [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_port [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_pd [2019-10-02 08:36:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_pd [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_insert [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure find_xrcd [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_xrcd [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close_xrcd [2019-10-02 08:36:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_xrcd [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_reg_mr [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_rereg_mr [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dereg_mr [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_mw [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_mw [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_comp_channel [2019-10-02 08:36:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq_cb [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq_cb [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_resize_cq [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_wc_to_user [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_poll_cq [2019-10-02 08:36:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_req_notify_cq [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_cq [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_qp [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_qp [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_qp [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2019-10-02 08:36:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_qp [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_send [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_recv [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_srq_recv [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_ah [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_ah [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_attach_mcast [2019-10-02 08:36:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_mcast [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_spec_to_ib_spec [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_flow [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_destroy_flow [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_srq [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_xsrq [2019-10-02 08:36:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_srq [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_srq [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_ah_attr_to_user [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_qp_attr_to_user [2019-10-02 08:36:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_to_user [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_from_user [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 08:36:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-02 08:36:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-02 08:36:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 08:36:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 08:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-02 08:36:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file_ns [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-02 08:36:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read_nested [2019-10-02 08:36:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-02 08:36:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_attach_mcast [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_close_qp [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_ah [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_flow [2019-10-02 08:36:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_qp [2019-10-02 08:36:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2019-10-02 08:36:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2019-10-02 08:36:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2019-10-02 08:36:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2019-10-02 08:36:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2019-10-02 08:36:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_get_client_data [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_qp [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_open_qp [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_qp [2019-10-02 08:36:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_srq [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_client [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_event_handler [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_resolve_eth_l2_attrs [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_set_client_data [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_client [2019-10-02 08:36:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_event_handler [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-02 08:36:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure igrab [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_set_name [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_7 [2019-10-02 08:36:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 08:36:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2019-10-02 08:36:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2019-10-02 08:36:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-02 08:36:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_port_get_link_layer [2019-10-02 08:36:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2019-10-02 08:36:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-02 08:36:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 08:36:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 08:36:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 08:36:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 08:36:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 08:36:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 08:36:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 08:36:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 08:36:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 08:36:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 08:36:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure current_top_of_stack [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 08:36:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 08:36:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 08:36:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-02 08:36:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 08:36:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-02 08:36:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-02 08:36:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-02 08:36:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-02 08:36:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-02 08:36:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_set_name [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_6 [2019-10-02 08:36:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-02 08:36:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 08:36:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 08:36:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 08:36:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ib_client_4 [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file_ns [2019-10-02 08:36:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 08:36:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-02 08:36:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-02 08:36:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2019-10-02 08:36:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-02 08:36:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-02 08:36:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_7 [2019-10-02 08:36:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 08:36:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 08:36:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_9 [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-02 08:36:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_10 [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_11 [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_client [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_client [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ib_get_client_data [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ib_set_client_data [2019-10-02 08:36:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_event_handler [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_close_qp [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2019-10-02 08:36:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2019-10-02 08:36:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_lookup_comp_file [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_comp_handler [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cq_event_handler [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_qp_event_handler [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_srq_event_handler [2019-10-02 08:36:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_handler [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_xrcd [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_get_context [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_device [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_port [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_pd [2019-10-02 08:36:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_pd [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_reg_mr [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_rereg_mr [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dereg_mr [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_mw [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_mw [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_comp_channel [2019-10-02 08:36:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_resize_cq [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_poll_cq [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_req_notify_cq [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_cq [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_qp [2019-10-02 08:36:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_qp [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_qp [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_qp [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_send [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_recv [2019-10-02 08:36:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_srq_recv [2019-10-02 08:36:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_ah [2019-10-02 08:36:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_ah [2019-10-02 08:36:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_attach_mcast [2019-10-02 08:36:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_mcast [2019-10-02 08:36:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_srq [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_srq [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_srq [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_xsrq [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_xrcd [2019-10-02 08:36:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close_xrcd [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_flow [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_destroy_flow [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2019-10-02 08:36:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_dev [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_event_file [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_umcast [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup_ucontext [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2019-10-02 08:36:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_async_handler [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-02 08:36:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure find_overflow_devnum [2019-10-02 08:36:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure uverbs_devnode [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_init [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_7 [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 08:36:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 08:36:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-02 08:36:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-02 08:36:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure down_read_nested [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-02 08:36:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2019-10-02 08:36:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___0 [2019-10-02 08:36:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___0 [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-02 08:36:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure igrab [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_event_handler [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2019-10-02 08:36:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_port_get_link_layer [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_ah [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_srq [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_qp [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_qp [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_qp [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_open_qp [2019-10-02 08:36:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ib_poll_cq [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ib_attach_mcast [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_flow [2019-10-02 08:36:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ib_resolve_eth_l2_attrs [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure release_uobj [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2019-10-02 08:36:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2019-10-02 08:36:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_ah [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure put_ah_read [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2019-10-02 08:36:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2019-10-02 08:36:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_insert [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure find_xrcd [2019-10-02 08:36:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 08:36:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq_cb [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq_cb [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure copy_wc_to_user [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2019-10-02 08:36:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure kern_spec_to_ib_spec [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_qp_attr_to_user [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_ah_attr_to_user [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_to_user [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_from_user [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 08:36:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 08:36:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 08:36:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 08:36:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 08:36:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 08:36:45,657 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 08:37:28,562 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-02 08:37:34,768 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 08:37:34,768 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 08:37:34,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:37:34 BoogieIcfgContainer [2019-10-02 08:37:34,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 08:37:34,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 08:37:34,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 08:37:34,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 08:37:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 08:36:35" (1/3) ... [2019-10-02 08:37:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aef5c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:37:34, skipping insertion in model container [2019-10-02 08:37:34,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:41" (2/3) ... [2019-10-02 08:37:34,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aef5c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:37:34, skipping insertion in model container [2019-10-02 08:37:34,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:37:34" (3/3) ... [2019-10-02 08:37:34,782 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-02 08:37:34,794 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 08:37:34,807 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 08:37:34,828 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 08:37:34,881 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 08:37:34,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 08:37:34,882 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 08:37:34,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 08:37:34,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 08:37:34,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 08:37:34,883 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 08:37:34,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 08:37:34,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 08:37:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states. [2019-10-02 08:37:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-02 08:37:34,987 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:34,989 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:34,991 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:34,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:34,997 INFO L82 PathProgramCache]: Analyzing trace with hash 152339754, now seen corresponding path program 1 times [2019-10-02 08:37:34,999 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:35,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:35,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:35,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:35,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1583 trivial. 0 not checked. [2019-10-02 08:37:36,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:36,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:36,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:36,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:36,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:36,562 INFO L87 Difference]: Start difference. First operand 3709 states. Second operand 3 states. [2019-10-02 08:37:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:37,152 INFO L93 Difference]: Finished difference Result 10614 states and 15304 transitions. [2019-10-02 08:37:37,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:37,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2019-10-02 08:37:37,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:37,256 INFO L225 Difference]: With dead ends: 10614 [2019-10-02 08:37:37,257 INFO L226 Difference]: Without dead ends: 7042 [2019-10-02 08:37:37,294 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:37,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7042 states. [2019-10-02 08:37:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7042 to 7039. [2019-10-02 08:37:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7039 states. [2019-10-02 08:37:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7039 states to 7039 states and 9850 transitions. [2019-10-02 08:37:37,893 INFO L78 Accepts]: Start accepts. Automaton has 7039 states and 9850 transitions. Word has length 329 [2019-10-02 08:37:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:37,898 INFO L475 AbstractCegarLoop]: Abstraction has 7039 states and 9850 transitions. [2019-10-02 08:37:37,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7039 states and 9850 transitions. [2019-10-02 08:37:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2019-10-02 08:37:37,915 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:37,916 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2019-10-02 08:37:37,916 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:37,917 INFO L82 PathProgramCache]: Analyzing trace with hash 486342035, now seen corresponding path program 1 times [2019-10-02 08:37:37,917 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:37,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:37,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:37,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:37,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2019-10-02 08:37:38,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:38,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:38,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:38,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:38,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:38,672 INFO L87 Difference]: Start difference. First operand 7039 states and 9850 transitions. Second operand 3 states. [2019-10-02 08:37:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:39,402 INFO L93 Difference]: Finished difference Result 20821 states and 29998 transitions. [2019-10-02 08:37:39,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:39,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 352 [2019-10-02 08:37:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:39,531 INFO L225 Difference]: With dead ends: 20821 [2019-10-02 08:37:39,531 INFO L226 Difference]: Without dead ends: 13852 [2019-10-02 08:37:39,574 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13852 states. [2019-10-02 08:37:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13852 to 13820. [2019-10-02 08:37:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13820 states. [2019-10-02 08:37:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13820 states to 13820 states and 20211 transitions. [2019-10-02 08:37:40,408 INFO L78 Accepts]: Start accepts. Automaton has 13820 states and 20211 transitions. Word has length 352 [2019-10-02 08:37:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:40,410 INFO L475 AbstractCegarLoop]: Abstraction has 13820 states and 20211 transitions. [2019-10-02 08:37:40,410 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 13820 states and 20211 transitions. [2019-10-02 08:37:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-02 08:37:40,420 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:40,420 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2019-10-02 08:37:40,420 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:40,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:40,421 INFO L82 PathProgramCache]: Analyzing trace with hash 611333023, now seen corresponding path program 1 times [2019-10-02 08:37:40,421 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:40,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:40,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:40,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:40,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2019-10-02 08:37:42,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:42,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:42,371 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:42,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:42,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:42,371 INFO L87 Difference]: Start difference. First operand 13820 states and 20211 transitions. Second operand 3 states. [2019-10-02 08:37:43,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:43,175 INFO L93 Difference]: Finished difference Result 27156 states and 39638 transitions. [2019-10-02 08:37:43,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:43,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-10-02 08:37:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:43,290 INFO L225 Difference]: With dead ends: 27156 [2019-10-02 08:37:43,290 INFO L226 Difference]: Without dead ends: 13406 [2019-10-02 08:37:43,360 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13406 states. [2019-10-02 08:37:44,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13406 to 13400. [2019-10-02 08:37:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13400 states. [2019-10-02 08:37:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 19515 transitions. [2019-10-02 08:37:44,103 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 19515 transitions. Word has length 360 [2019-10-02 08:37:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:44,108 INFO L475 AbstractCegarLoop]: Abstraction has 13400 states and 19515 transitions. [2019-10-02 08:37:44,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 19515 transitions. [2019-10-02 08:37:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-10-02 08:37:44,119 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:44,119 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2019-10-02 08:37:44,119 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:44,120 INFO L82 PathProgramCache]: Analyzing trace with hash 668597675, now seen corresponding path program 1 times [2019-10-02 08:37:44,120 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:44,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:44,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:44,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:44,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2019-10-02 08:37:44,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:44,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:44,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:44,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:44,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:44,679 INFO L87 Difference]: Start difference. First operand 13400 states and 19515 transitions. Second operand 3 states. [2019-10-02 08:37:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:45,260 INFO L93 Difference]: Finished difference Result 26376 states and 38432 transitions. [2019-10-02 08:37:45,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:45,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2019-10-02 08:37:45,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:45,334 INFO L225 Difference]: With dead ends: 26376 [2019-10-02 08:37:45,335 INFO L226 Difference]: Without dead ends: 13046 [2019-10-02 08:37:45,376 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13046 states. [2019-10-02 08:37:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13046 to 13046. [2019-10-02 08:37:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13046 states. [2019-10-02 08:37:46,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13046 states to 13046 states and 19011 transitions. [2019-10-02 08:37:46,474 INFO L78 Accepts]: Start accepts. Automaton has 13046 states and 19011 transitions. Word has length 366 [2019-10-02 08:37:46,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:46,475 INFO L475 AbstractCegarLoop]: Abstraction has 13046 states and 19011 transitions. [2019-10-02 08:37:46,475 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 13046 states and 19011 transitions. [2019-10-02 08:37:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-10-02 08:37:46,485 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:46,485 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2019-10-02 08:37:46,486 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:46,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:46,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1958595004, now seen corresponding path program 1 times [2019-10-02 08:37:46,486 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:46,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:46,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:46,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:46,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2019-10-02 08:37:47,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:47,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:47,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:47,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:47,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:47,074 INFO L87 Difference]: Start difference. First operand 13046 states and 19011 transitions. Second operand 3 states. [2019-10-02 08:37:48,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:48,252 INFO L93 Difference]: Finished difference Result 38926 states and 56730 transitions. [2019-10-02 08:37:48,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:48,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-10-02 08:37:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:48,405 INFO L225 Difference]: With dead ends: 38926 [2019-10-02 08:37:48,405 INFO L226 Difference]: Without dead ends: 25950 [2019-10-02 08:37:48,454 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25950 states. [2019-10-02 08:37:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25950 to 25942. [2019-10-02 08:37:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25942 states. [2019-10-02 08:37:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25942 states to 25942 states and 37806 transitions. [2019-10-02 08:37:49,756 INFO L78 Accepts]: Start accepts. Automaton has 25942 states and 37806 transitions. Word has length 387 [2019-10-02 08:37:49,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:49,757 INFO L475 AbstractCegarLoop]: Abstraction has 25942 states and 37806 transitions. [2019-10-02 08:37:49,757 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 25942 states and 37806 transitions. [2019-10-02 08:37:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-10-02 08:37:49,766 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:49,767 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2019-10-02 08:37:49,767 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:49,768 INFO L82 PathProgramCache]: Analyzing trace with hash 186253297, now seen corresponding path program 1 times [2019-10-02 08:37:49,768 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:49,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:49,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:49,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:49,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2019-10-02 08:37:51,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:51,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:51,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:51,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:51,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:51,967 INFO L87 Difference]: Start difference. First operand 25942 states and 37806 transitions. Second operand 3 states. [2019-10-02 08:37:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:55,486 INFO L93 Difference]: Finished difference Result 64726 states and 94346 transitions. [2019-10-02 08:37:55,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:55,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 427 [2019-10-02 08:37:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:55,745 INFO L225 Difference]: With dead ends: 64726 [2019-10-02 08:37:55,745 INFO L226 Difference]: Without dead ends: 38862 [2019-10-02 08:37:55,839 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:55,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38862 states. [2019-10-02 08:37:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38862 to 38854. [2019-10-02 08:37:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38854 states. [2019-10-02 08:37:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38854 states to 38854 states and 56626 transitions. [2019-10-02 08:37:57,403 INFO L78 Accepts]: Start accepts. Automaton has 38854 states and 56626 transitions. Word has length 427 [2019-10-02 08:37:57,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:57,404 INFO L475 AbstractCegarLoop]: Abstraction has 38854 states and 56626 transitions. [2019-10-02 08:37:57,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38854 states and 56626 transitions. [2019-10-02 08:37:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-10-02 08:37:57,410 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:57,410 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 08:37:57,411 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash -997434184, now seen corresponding path program 1 times [2019-10-02 08:37:57,412 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:57,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:57,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:57,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:57,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2019-10-02 08:37:58,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:58,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:37:58,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:37:58,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:37:58,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:37:58,763 INFO L87 Difference]: Start difference. First operand 38854 states and 56626 transitions. Second operand 7 states. [2019-10-02 08:38:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:00,427 INFO L93 Difference]: Finished difference Result 77522 states and 117484 transitions. [2019-10-02 08:38:00,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 08:38:00,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 443 [2019-10-02 08:38:00,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:00,701 INFO L225 Difference]: With dead ends: 77522 [2019-10-02 08:38:00,701 INFO L226 Difference]: Without dead ends: 38746 [2019-10-02 08:38:00,868 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-02 08:38:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38746 states. [2019-10-02 08:38:02,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38746 to 38692. [2019-10-02 08:38:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38692 states. [2019-10-02 08:38:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38692 states to 38692 states and 56189 transitions. [2019-10-02 08:38:02,888 INFO L78 Accepts]: Start accepts. Automaton has 38692 states and 56189 transitions. Word has length 443 [2019-10-02 08:38:02,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:02,888 INFO L475 AbstractCegarLoop]: Abstraction has 38692 states and 56189 transitions. [2019-10-02 08:38:02,888 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:38:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 38692 states and 56189 transitions. [2019-10-02 08:38:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2019-10-02 08:38:02,896 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:02,897 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:02,897 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:02,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1546284636, now seen corresponding path program 1 times [2019-10-02 08:38:02,898 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:02,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:02,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:02,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:02,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2028 trivial. 0 not checked. [2019-10-02 08:38:03,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:03,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:38:03,621 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:38:03,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:38:03,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:38:03,622 INFO L87 Difference]: Start difference. First operand 38692 states and 56189 transitions. Second operand 3 states. [2019-10-02 08:38:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:06,782 INFO L93 Difference]: Finished difference Result 95953 states and 140480 transitions. [2019-10-02 08:38:06,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:38:06,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 549 [2019-10-02 08:38:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:09,597 INFO L225 Difference]: With dead ends: 95953 [2019-10-02 08:38:09,597 INFO L226 Difference]: Without dead ends: 57339 [2019-10-02 08:38:09,710 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:38:09,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57339 states. [2019-10-02 08:38:11,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57339 to 57109. [2019-10-02 08:38:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57109 states. [2019-10-02 08:38:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57109 states to 57109 states and 84119 transitions. [2019-10-02 08:38:11,604 INFO L78 Accepts]: Start accepts. Automaton has 57109 states and 84119 transitions. Word has length 549 [2019-10-02 08:38:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:11,605 INFO L475 AbstractCegarLoop]: Abstraction has 57109 states and 84119 transitions. [2019-10-02 08:38:11,605 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:38:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 57109 states and 84119 transitions. [2019-10-02 08:38:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-02 08:38:11,619 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:11,620 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 4, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:11,620 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:11,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1786992843, now seen corresponding path program 1 times [2019-10-02 08:38:11,621 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:11,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:11,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:11,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:11,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2019-10-02 08:38:13,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:13,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:38:13,017 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:38:13,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:38:13,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:38:13,018 INFO L87 Difference]: Start difference. First operand 57109 states and 84119 transitions. Second operand 5 states. [2019-10-02 08:38:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:16,445 INFO L93 Difference]: Finished difference Result 151914 states and 222939 transitions. [2019-10-02 08:38:16,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:16,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 564 [2019-10-02 08:38:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:16,991 INFO L225 Difference]: With dead ends: 151914 [2019-10-02 08:38:16,991 INFO L226 Difference]: Without dead ends: 94883 [2019-10-02 08:38:17,303 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:38:17,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94883 states. [2019-10-02 08:38:20,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94883 to 94863. [2019-10-02 08:38:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94863 states. [2019-10-02 08:38:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94863 states to 94863 states and 138900 transitions. [2019-10-02 08:38:20,639 INFO L78 Accepts]: Start accepts. Automaton has 94863 states and 138900 transitions. Word has length 564 [2019-10-02 08:38:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:20,640 INFO L475 AbstractCegarLoop]: Abstraction has 94863 states and 138900 transitions. [2019-10-02 08:38:20,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:38:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 94863 states and 138900 transitions. [2019-10-02 08:38:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2019-10-02 08:38:20,655 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:20,656 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:20,656 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:20,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:20,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1005568055, now seen corresponding path program 1 times [2019-10-02 08:38:20,657 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:20,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:20,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:20,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:20,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2046 trivial. 0 not checked. [2019-10-02 08:38:22,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:22,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:38:22,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:38:22,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:38:22,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:38:22,279 INFO L87 Difference]: Start difference. First operand 94863 states and 138900 transitions. Second operand 3 states. [2019-10-02 08:38:25,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:25,425 INFO L93 Difference]: Finished difference Result 189678 states and 284103 transitions. [2019-10-02 08:38:25,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:38:25,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 570 [2019-10-02 08:38:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:25,857 INFO L225 Difference]: With dead ends: 189678 [2019-10-02 08:38:25,857 INFO L226 Difference]: Without dead ends: 94893 [2019-10-02 08:38:26,079 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:38:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94893 states. [2019-10-02 08:38:33,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94893 to 94863. [2019-10-02 08:38:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94863 states. [2019-10-02 08:38:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94863 states to 94863 states and 138810 transitions. [2019-10-02 08:38:33,616 INFO L78 Accepts]: Start accepts. Automaton has 94863 states and 138810 transitions. Word has length 570 [2019-10-02 08:38:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:33,618 INFO L475 AbstractCegarLoop]: Abstraction has 94863 states and 138810 transitions. [2019-10-02 08:38:33,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:38:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 94863 states and 138810 transitions. [2019-10-02 08:38:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-10-02 08:38:33,636 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:33,636 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:33,636 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:33,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:33,637 INFO L82 PathProgramCache]: Analyzing trace with hash -464303036, now seen corresponding path program 1 times [2019-10-02 08:38:33,637 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:33,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:33,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:33,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:33,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2019-10-02 08:38:34,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:38:34,320 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:38:35,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:36,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 6401 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 08:38:36,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:38:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2019-10-02 08:38:37,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:38:37,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 08:38:37,249 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:38:37,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:38:37,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:38:37,250 INFO L87 Difference]: Start difference. First operand 94863 states and 138810 transitions. Second operand 5 states. [2019-10-02 08:38:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:43,297 INFO L93 Difference]: Finished difference Result 282752 states and 414232 transitions. [2019-10-02 08:38:43,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:43,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 572 [2019-10-02 08:38:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:44,588 INFO L225 Difference]: With dead ends: 282752 [2019-10-02 08:38:44,588 INFO L226 Difference]: Without dead ends: 187967 [2019-10-02 08:38:44,970 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 573 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:38:45,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187967 states. [2019-10-02 08:38:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187967 to 187365. [2019-10-02 08:38:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187365 states. [2019-10-02 08:38:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187365 states to 187365 states and 274607 transitions. [2019-10-02 08:38:57,690 INFO L78 Accepts]: Start accepts. Automaton has 187365 states and 274607 transitions. Word has length 572 [2019-10-02 08:38:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:57,691 INFO L475 AbstractCegarLoop]: Abstraction has 187365 states and 274607 transitions. [2019-10-02 08:38:57,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:38:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 187365 states and 274607 transitions. [2019-10-02 08:38:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-10-02 08:38:57,722 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:57,722 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:57,723 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:57,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash 45170054, now seen corresponding path program 1 times [2019-10-02 08:38:57,723 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:57,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:57,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:57,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:57,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:39:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2019-10-02 08:39:03,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:39:03,185 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:39:03,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:39:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:39:05,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 6400 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 08:39:05,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:39:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2019-10-02 08:39:05,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:39:05,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2019-10-02 08:39:05,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 08:39:05,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 08:39:05,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-02 08:39:05,419 INFO L87 Difference]: Start difference. First operand 187365 states and 274607 transitions. Second operand 15 states. [2019-10-02 08:39:13,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:39:13,002 INFO L93 Difference]: Finished difference Result 377990 states and 577915 transitions. [2019-10-02 08:39:13,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-02 08:39:13,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 572 [2019-10-02 08:39:13,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:39:13,921 INFO L225 Difference]: With dead ends: 377990 [2019-10-02 08:39:13,921 INFO L226 Difference]: Without dead ends: 190418 [2019-10-02 08:39:14,466 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 570 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2019-10-02 08:39:14,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190418 states. [2019-10-02 08:39:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190418 to 190314. [2019-10-02 08:39:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190314 states. [2019-10-02 08:39:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190314 states to 190314 states and 278998 transitions. [2019-10-02 08:39:26,936 INFO L78 Accepts]: Start accepts. Automaton has 190314 states and 278998 transitions. Word has length 572 [2019-10-02 08:39:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:39:26,937 INFO L475 AbstractCegarLoop]: Abstraction has 190314 states and 278998 transitions. [2019-10-02 08:39:26,937 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 08:39:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 190314 states and 278998 transitions. [2019-10-02 08:39:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2019-10-02 08:39:26,957 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:39:26,958 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:39:26,958 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:39:26,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:39:26,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1283953021, now seen corresponding path program 1 times [2019-10-02 08:39:26,959 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:39:26,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:39:26,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:26,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:39:26,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:39:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2019-10-02 08:39:33,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:39:33,520 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:39:34,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:39:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 08:39:47,316 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:39:47,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 08:39:47,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:39:47,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:39:47,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:39:47,317 INFO L87 Difference]: Start difference. First operand 190314 states and 278998 transitions. Second operand 6 states. [2019-10-02 08:39:52,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:39:52,427 INFO L93 Difference]: Finished difference Result 380761 states and 564600 transitions. [2019-10-02 08:39:52,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:39:52,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 607 [2019-10-02 08:39:52,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:39:53,381 INFO L225 Difference]: With dead ends: 380761 [2019-10-02 08:39:53,381 INFO L226 Difference]: Without dead ends: 190381 [2019-10-02 08:39:53,846 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:39:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190381 states. [2019-10-02 08:40:01,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190381 to 190381. [2019-10-02 08:40:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190381 states. [2019-10-02 08:40:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190381 states to 190381 states and 279066 transitions. [2019-10-02 08:40:11,126 INFO L78 Accepts]: Start accepts. Automaton has 190381 states and 279066 transitions. Word has length 607 [2019-10-02 08:40:11,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:40:11,127 INFO L475 AbstractCegarLoop]: Abstraction has 190381 states and 279066 transitions. [2019-10-02 08:40:11,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:40:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 190381 states and 279066 transitions. [2019-10-02 08:40:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2019-10-02 08:40:11,143 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:40:11,144 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:40:11,144 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:40:11,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:40:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash 169402281, now seen corresponding path program 1 times [2019-10-02 08:40:11,145 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:40:11,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:40:11,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:11,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:40:11,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:40:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 2059 trivial. 0 not checked. [2019-10-02 08:40:12,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:40:12,762 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:40:13,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:40:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 08:40:26,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:40:26,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 08:40:26,682 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:40:26,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:40:26,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:40:26,683 INFO L87 Difference]: Start difference. First operand 190381 states and 279066 transitions. Second operand 6 states. [2019-10-02 08:40:38,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:40:38,300 INFO L93 Difference]: Finished difference Result 380709 states and 558064 transitions. [2019-10-02 08:40:38,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:40:38,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 613 [2019-10-02 08:40:38,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:40:39,010 INFO L225 Difference]: With dead ends: 380709 [2019-10-02 08:40:39,010 INFO L226 Difference]: Without dead ends: 190379 [2019-10-02 08:40:39,366 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:40:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190379 states. [2019-10-02 08:40:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190379 to 190379. [2019-10-02 08:40:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190379 states. [2019-10-02 08:40:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190379 states to 190379 states and 279063 transitions. [2019-10-02 08:40:45,719 INFO L78 Accepts]: Start accepts. Automaton has 190379 states and 279063 transitions. Word has length 613 [2019-10-02 08:40:45,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:40:45,719 INFO L475 AbstractCegarLoop]: Abstraction has 190379 states and 279063 transitions. [2019-10-02 08:40:45,719 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:40:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 190379 states and 279063 transitions. [2019-10-02 08:40:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2019-10-02 08:40:45,730 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:40:45,731 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:40:45,731 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:40:45,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:40:45,732 INFO L82 PathProgramCache]: Analyzing trace with hash 364687121, now seen corresponding path program 2 times [2019-10-02 08:40:45,732 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:40:45,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:40:45,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:45,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:40:45,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:40:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2230 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 2129 trivial. 0 not checked. [2019-10-02 08:40:47,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:40:47,973 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:40:48,687 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 08:41:03,568 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-02 08:41:03,569 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 08:41:03,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 3900 conjuncts, 26 conjunts are in the unsatisfiable core [2019-10-02 08:41:03,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:41:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2230 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2019-10-02 08:41:04,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:41:04,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2019-10-02 08:41:04,378 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 08:41:04,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 08:41:04,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-02 08:41:04,379 INFO L87 Difference]: Start difference. First operand 190379 states and 279063 transitions. Second operand 17 states. [2019-10-02 08:41:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:41:10,864 INFO L93 Difference]: Finished difference Result 381141 states and 565175 transitions. [2019-10-02 08:41:10,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 08:41:10,865 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 618 [2019-10-02 08:41:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:41:11,725 INFO L225 Difference]: With dead ends: 381141 [2019-10-02 08:41:11,725 INFO L226 Difference]: Without dead ends: 190693 [2019-10-02 08:41:12,151 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2019-10-02 08:41:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190693 states. [2019-10-02 08:41:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190693 to 190357. [2019-10-02 08:41:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190357 states. [2019-10-02 08:41:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190357 states to 190357 states and 278958 transitions. [2019-10-02 08:41:28,476 INFO L78 Accepts]: Start accepts. Automaton has 190357 states and 278958 transitions. Word has length 618 [2019-10-02 08:41:28,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:41:28,476 INFO L475 AbstractCegarLoop]: Abstraction has 190357 states and 278958 transitions. [2019-10-02 08:41:28,476 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 08:41:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 190357 states and 278958 transitions. [2019-10-02 08:41:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-10-02 08:41:28,499 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:41:28,500 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:41:28,500 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:41:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:41:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 711069473, now seen corresponding path program 1 times [2019-10-02 08:41:28,501 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:41:28,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:41:28,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:41:28,520 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 08:41:28,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:41:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:41:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2377 trivial. 0 not checked. [2019-10-02 08:41:29,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:41:29,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:41:29,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:41:29,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:41:29,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:41:29,635 INFO L87 Difference]: Start difference. First operand 190357 states and 278958 transitions. Second operand 7 states. [2019-10-02 08:42:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:42:37,840 INFO L93 Difference]: Finished difference Result 334112 states and 515847 transitions. [2019-10-02 08:42:37,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:42:37,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 630 [2019-10-02 08:42:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:42:39,386 INFO L225 Difference]: With dead ends: 334112 [2019-10-02 08:42:39,386 INFO L226 Difference]: Without dead ends: 334109 [2019-10-02 08:42:39,505 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:42:39,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334109 states. [2019-10-02 08:42:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334109 to 334007. [2019-10-02 08:42:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334007 states. [2019-10-02 08:43:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334007 states to 334007 states and 515696 transitions. [2019-10-02 08:43:08,442 INFO L78 Accepts]: Start accepts. Automaton has 334007 states and 515696 transitions. Word has length 630 [2019-10-02 08:43:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:43:08,442 INFO L475 AbstractCegarLoop]: Abstraction has 334007 states and 515696 transitions. [2019-10-02 08:43:08,442 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:43:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 334007 states and 515696 transitions. [2019-10-02 08:43:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2019-10-02 08:43:08,473 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:43:08,473 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:43:08,474 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:43:08,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:43:08,474 INFO L82 PathProgramCache]: Analyzing trace with hash 912442098, now seen corresponding path program 1 times [2019-10-02 08:43:08,474 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:43:08,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:43:08,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:08,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:43:08,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:43:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2019-10-02 08:43:09,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:43:09,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:43:09,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:43:09,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:43:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:43:09,656 INFO L87 Difference]: Start difference. First operand 334007 states and 515696 transitions. Second operand 3 states. [2019-10-02 08:43:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:43:26,650 INFO L93 Difference]: Finished difference Result 498375 states and 770698 transitions. [2019-10-02 08:43:26,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:43:26,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 664 [2019-10-02 08:43:26,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:43:27,350 INFO L225 Difference]: With dead ends: 498375 [2019-10-02 08:43:27,350 INFO L226 Difference]: Without dead ends: 164424 [2019-10-02 08:43:28,492 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:43:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164424 states. [2019-10-02 08:43:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164424 to 164298. [2019-10-02 08:43:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164298 states. [2019-10-02 08:43:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164298 states to 164298 states and 254823 transitions. [2019-10-02 08:43:34,776 INFO L78 Accepts]: Start accepts. Automaton has 164298 states and 254823 transitions. Word has length 664 [2019-10-02 08:43:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:43:34,777 INFO L475 AbstractCegarLoop]: Abstraction has 164298 states and 254823 transitions. [2019-10-02 08:43:34,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:43:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 164298 states and 254823 transitions. [2019-10-02 08:43:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2019-10-02 08:43:34,804 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:43:34,805 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:43:34,805 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:43:34,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:43:34,806 INFO L82 PathProgramCache]: Analyzing trace with hash 304188357, now seen corresponding path program 1 times [2019-10-02 08:43:34,806 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:43:34,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:43:34,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:34,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:43:34,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:43:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2408 trivial. 0 not checked. [2019-10-02 08:43:41,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:43:41,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:43:41,944 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:43:41,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:43:41,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:43:41,944 INFO L87 Difference]: Start difference. First operand 164298 states and 254823 transitions. Second operand 6 states. [2019-10-02 08:43:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:43:49,813 INFO L93 Difference]: Finished difference Result 384361 states and 595386 transitions. [2019-10-02 08:43:49,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:43:49,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 681 [2019-10-02 08:43:49,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:43:51,652 INFO L225 Difference]: With dead ends: 384361 [2019-10-02 08:43:51,653 INFO L226 Difference]: Without dead ends: 220295 [2019-10-02 08:43:52,019 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:43:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220295 states. [2019-10-02 08:44:01,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220295 to 154817. [2019-10-02 08:44:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154817 states. [2019-10-02 08:44:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154817 states to 154817 states and 240375 transitions. [2019-10-02 08:44:01,904 INFO L78 Accepts]: Start accepts. Automaton has 154817 states and 240375 transitions. Word has length 681 [2019-10-02 08:44:01,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:44:01,905 INFO L475 AbstractCegarLoop]: Abstraction has 154817 states and 240375 transitions. [2019-10-02 08:44:01,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:44:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 154817 states and 240375 transitions. [2019-10-02 08:44:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2019-10-02 08:44:01,944 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:44:01,945 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:44:01,945 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:44:01,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:44:01,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1513531053, now seen corresponding path program 1 times [2019-10-02 08:44:01,946 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:44:01,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:44:01,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:44:01,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:44:01,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:44:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:44:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2463 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2019-10-02 08:44:08,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:44:08,532 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:44:09,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:44:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:44:10,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 6930 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 08:44:10,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:44:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2463 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2019-10-02 08:44:10,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:44:10,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2019-10-02 08:44:10,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:44:10,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:44:10,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:44:10,976 INFO L87 Difference]: Start difference. First operand 154817 states and 240375 transitions. Second operand 5 states. [2019-10-02 08:44:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:44:32,582 INFO L93 Difference]: Finished difference Result 374914 states and 587016 transitions. [2019-10-02 08:44:32,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:44:32,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 696 [2019-10-02 08:44:32,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:44:35,143 INFO L225 Difference]: With dead ends: 374914 [2019-10-02 08:44:35,144 INFO L226 Difference]: Without dead ends: 374707 [2019-10-02 08:44:35,265 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:44:35,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374707 states. [2019-10-02 08:44:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374707 to 359095. [2019-10-02 08:44:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359095 states. [2019-10-02 08:45:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359095 states to 359095 states and 562294 transitions. [2019-10-02 08:45:02,357 INFO L78 Accepts]: Start accepts. Automaton has 359095 states and 562294 transitions. Word has length 696 [2019-10-02 08:45:02,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:45:02,357 INFO L475 AbstractCegarLoop]: Abstraction has 359095 states and 562294 transitions. [2019-10-02 08:45:02,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:45:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 359095 states and 562294 transitions. [2019-10-02 08:45:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2019-10-02 08:45:02,411 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:45:02,412 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:45:02,412 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:45:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:45:02,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1920795338, now seen corresponding path program 1 times [2019-10-02 08:45:02,413 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:45:02,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:45:02,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:45:02,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:45:02,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:45:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:45:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2437 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2019-10-02 08:45:11,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:45:11,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 08:45:11,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:45:11,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:45:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:45:11,311 INFO L87 Difference]: Start difference. First operand 359095 states and 562294 transitions. Second operand 7 states. [2019-10-02 08:45:20,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:45:20,201 INFO L93 Difference]: Finished difference Result 533245 states and 841975 transitions. [2019-10-02 08:45:20,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:45:20,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 733 [2019-10-02 08:45:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:45:20,958 INFO L225 Difference]: With dead ends: 533245 [2019-10-02 08:45:20,958 INFO L226 Difference]: Without dead ends: 174701 [2019-10-02 08:45:21,974 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-02 08:45:22,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174701 states. [2019-10-02 08:45:38,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174701 to 174020. [2019-10-02 08:45:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174020 states. [2019-10-02 08:45:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174020 states to 174020 states and 242063 transitions. [2019-10-02 08:45:40,130 INFO L78 Accepts]: Start accepts. Automaton has 174020 states and 242063 transitions. Word has length 733 [2019-10-02 08:45:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:45:40,131 INFO L475 AbstractCegarLoop]: Abstraction has 174020 states and 242063 transitions. [2019-10-02 08:45:40,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 08:45:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 174020 states and 242063 transitions. [2019-10-02 08:45:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2019-10-02 08:45:40,188 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:45:40,188 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:45:40,189 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:45:40,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:45:40,189 INFO L82 PathProgramCache]: Analyzing trace with hash 819495112, now seen corresponding path program 1 times [2019-10-02 08:45:40,189 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:45:40,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:45:40,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:45:40,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:45:40,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:45:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:45:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2445 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2019-10-02 08:45:41,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:45:41,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:45:41,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:45:41,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:45:41,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:45:41,317 INFO L87 Difference]: Start difference. First operand 174020 states and 242063 transitions. Second operand 6 states. [2019-10-02 08:45:51,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:45:51,273 INFO L93 Difference]: Finished difference Result 446036 states and 620262 transitions. [2019-10-02 08:45:51,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:45:51,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 717 [2019-10-02 08:45:51,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:45:52,416 INFO L225 Difference]: With dead ends: 446036 [2019-10-02 08:45:52,416 INFO L226 Difference]: Without dead ends: 292229 [2019-10-02 08:45:53,692 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:45:53,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292229 states. [2019-10-02 08:46:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292229 to 205910. [2019-10-02 08:46:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205910 states. [2019-10-02 08:46:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205910 states to 205910 states and 286288 transitions. [2019-10-02 08:46:13,746 INFO L78 Accepts]: Start accepts. Automaton has 205910 states and 286288 transitions. Word has length 717 [2019-10-02 08:46:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:46:13,747 INFO L475 AbstractCegarLoop]: Abstraction has 205910 states and 286288 transitions. [2019-10-02 08:46:13,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:46:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 205910 states and 286288 transitions. [2019-10-02 08:46:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2019-10-02 08:46:13,818 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:46:13,819 INFO L411 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 17, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:46:13,819 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:46:13,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:46:13,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1980567921, now seen corresponding path program 1 times [2019-10-02 08:46:13,819 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:46:13,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:46:13,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:46:13,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:46:13,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:46:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:46:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2491 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 2445 trivial. 0 not checked. [2019-10-02 08:46:15,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:46:15,813 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:46:16,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:46:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 08:46:29,696 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:46:29,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 08:46:29,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 08:46:29,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 08:46:29,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:46:29,699 INFO L87 Difference]: Start difference. First operand 205910 states and 286288 transitions. Second operand 8 states. [2019-10-02 08:46:38,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:46:38,482 INFO L93 Difference]: Finished difference Result 391753 states and 545025 transitions. [2019-10-02 08:46:38,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 08:46:38,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 723 [2019-10-02 08:46:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:46:39,262 INFO L225 Difference]: With dead ends: 391753 [2019-10-02 08:46:39,262 INFO L226 Difference]: Without dead ends: 206056 [2019-10-02 08:46:40,702 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:46:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206056 states.