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-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:02:17,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:02:17,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:02:17,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:02:17,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:02:17,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:02:17,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:02:17,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:02:17,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:02:17,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:02:17,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:02:17,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:02:17,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:02:17,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:02:17,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:02:17,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:02:17,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:02:17,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:02:17,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:02:17,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:02:17,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:02:17,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:02:17,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:02:17,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:02:17,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 10:02:17,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 10:02:17,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 10:02:17,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 10:02:17,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 10:02:17,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 10:02:17,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 10:02:17,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 10:02:17,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 10:02:17,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 10:02:17,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 10:02:17,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 10:02:17,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 10:02:17,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 10:02:17,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:02:17,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:02:17,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:02:17,536 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 10:02:17,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:02:17,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:02:17,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:02:17,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:02:17,553 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:02:17,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:02:17,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:02:17,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:02:17,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:02:17,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:02:17,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:02:17,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:02:17,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:02:17,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:02:17,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:02:17,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:02:17,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:02:17,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:02:17,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:02:17,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:02:17,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:02:17,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:02:17,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:02:17,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:02:17,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:02:17,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:02:17,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:02:17,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:02:17,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:02:17,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:02:17,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:02:17,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:02:17,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:02:17,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:02:17,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-02 10:02:17,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe05d3e99/660564948355449eaf106cbc5c2de32f/FLAGce60dc8d5 [2019-10-02 10:02:18,568 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:02:18,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-02 10:02:18,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe05d3e99/660564948355449eaf106cbc5c2de32f/FLAGce60dc8d5 [2019-10-02 10:02:18,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe05d3e99/660564948355449eaf106cbc5c2de32f [2019-10-02 10:02:18,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:02:18,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:02:18,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:02:18,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:02:18,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:02:18,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:02:18" (1/1) ... [2019-10-02 10:02:18,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a07f0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:18, skipping insertion in model container [2019-10-02 10:02:18,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:02:18" (1/1) ... [2019-10-02 10:02:18,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:02:19,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:02:22,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:02:22,199 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:02:22,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:02:23,429 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:02:23,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23 WrapperNode [2019-10-02 10:02:23,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:02:23,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:02:23,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:02:23,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:02:23,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (1/1) ... [2019-10-02 10:02:23,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:02:23,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:02:23,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:02:23,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:02:23,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (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 10:02:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:02:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:02:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 10:02:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 10:02:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 10:02:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 10:02:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 10:02:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 10:02:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 10:02:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 10:02:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 10:02:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 10:02:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 10:02:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 10:02:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 10:02:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-02 10:02:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-02 10:02:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-02 10:02:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-02 10:02:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 10:02:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-02 10:02:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-02 10:02:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-02 10:02:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-02 10:02:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-02 10:02:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-02 10:02:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 10:02:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-02 10:02:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_purge [2019-10-02 10:02:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-02 10:02:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_linearize [2019-10-02 10:02:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_linearize [2019-10-02 10:02:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-02 10:02:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-02 10:02:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-02 10:02:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-02 10:02:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-02 10:02:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-02 10:02:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_synchronize [2019-10-02 10:02:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-02 10:02:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure net_gso_ok [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_ok [2019-10-02 10:02:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_needs_gso [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure page_to_mfn [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_is_link [2019-10-02 10:02:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2019-10-02 10:02:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_timeout [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_maybe_wake_tx [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_one_rx_buffer [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_open [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2019-10-02 10:02:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_count_skb_slots [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_start_xmit [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_close [2019-10-02 10:02:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_move_rx_slot [2019-10-02 10:02:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_extras [2019-10-02 10:02:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_responses [2019-10-02 10:02:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_skb_gso [2019-10-02 10:02:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fill_frags [2019-10-02 10:02:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-02 10:02:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_incoming_queue [2019-10-02 10:02:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll [2019-10-02 10:02:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2019-10-02 10:02:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2019-10-02 10:02:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_rx_bufs [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2019-10-02 10:02:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_dev [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_probe [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2019-10-02 10:02:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2019-10-02 10:02:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_resume [2019-10-02 10:02:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-02 10:02:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_single [2019-10-02 10:02:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_split [2019-10-02 10:02:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront [2019-10-02 10:02:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_init_queue [2019-10-02 10:02:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2019-10-02 10:02:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2019-10-02 10:02:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_queues [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure talk_to_netback [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_connect [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_sset_count [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_ethtool_stats [2019-10-02 10:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_strings [2019-10-02 10:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2019-10-02 10:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2019-10-02 10:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2019-10-02 10:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_init [2019-10-02 10:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_exit [2019-10-02 10:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-02 10:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_5 [2019-10-02 10:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-02 10:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_7 [2019-10-02 10:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-02 10:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-02 10:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-02 10:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-02 10:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_2 [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_4 [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 10:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-02 10:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-02 10:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-02 10:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_38 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_39 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_42 [2019-10-02 10:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-02 10:02:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-02 10:02:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 10:02:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 10:02:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 10:02:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-02 10:02:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-02 10:02:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 10:02:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-10-02 10:02:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_frontend [2019-10-02 10:02:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 10:02:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 10:02:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-02 10:02:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 10:02:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-02 10:02:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-02 10:02:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 10:02:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-02 10:02:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-02 10:02:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-02 10:02:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 10:02:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-02 10:02:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2019-10-02 10:02:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-02 10:02:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-02 10:02:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_query_foreign_access [2019-10-02 10:02:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_7 [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_7 [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-02 10:02:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-02 10:02:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notify_peers [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-02 10:02:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_skb_features [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-02 10:02:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 10:02:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_has_pv_nic_devices [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_frontend_closed [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-02 10:02:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-02 10:02:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unregister_driver [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 10:02:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 10:02:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 10:02:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 10:02:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 10:02:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 10:02:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-02 10:02:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 10:02:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 10:02:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-10-02 10:02:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-02 10:02:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 10:02:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-02 10:02:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 10:02:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-02 10:02:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-02 10:02:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2019-10-02 10:02:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_38 [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 10:02:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 10:02:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_5 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_7 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-02 10:02:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_2 [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_4 [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 10:02:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 10:02:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 10:02:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 10:02:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 10:02:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 10:02:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 10:02:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-02 10:02:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-02 10:02:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-02 10:02:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-02 10:02:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-02 10:02:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-02 10:02:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-02 10:02:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_purge [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-02 10:02:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_39 [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_linearize [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_linearize [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-02 10:02:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-02 10:02:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-02 10:02:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-02 10:02:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-02 10:02:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-02 10:02:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure napi_synchronize [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-10-02 10:02:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 10:02:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-02 10:02:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 10:02:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 10:02:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-02 10:02:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-02 10:02:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-02 10:02:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-02 10:02:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-02 10:02:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 10:02:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 10:02:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 10:02:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_42 [2019-10-02 10:02:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 10:02:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-02 10:02:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notify_peers [2019-10-02 10:02:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_skb_features [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure net_gso_ok [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_ok [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_needs_gso [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-02 10:02:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 10:02:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-02 10:02:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 10:02:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 10:02:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-02 10:02:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_frontend [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unregister_driver [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-02 10:02:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-02 10:02:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-02 10:02:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-02 10:02:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-02 10:02:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2019-10-02 10:02:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2019-10-02 10:02:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2019-10-02 10:02:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-02 10:02:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-02 10:02:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_frontend_closed [2019-10-02 10:02:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2019-10-02 10:02:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-02 10:02:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-02 10:02:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_query_foreign_access [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2019-10-02 10:02:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2019-10-02 10:02:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2019-10-02 10:02:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-02 10:02:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-02 10:02:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-02 10:02:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure page_to_mfn [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure xen_has_pv_nic_devices [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_is_link [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2019-10-02 10:02:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_timeout [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2019-10-02 10:02:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_maybe_wake_tx [2019-10-02 10:02:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_one_rx_buffer [2019-10-02 10:02:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2019-10-02 10:02:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_open [2019-10-02 10:02:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2019-10-02 10:02:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_count_skb_slots [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_start_xmit [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_close [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_move_rx_slot [2019-10-02 10:02:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_extras [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_responses [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_skb_gso [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fill_frags [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure handle_incoming_queue [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll [2019-10-02 10:02:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_rx_bufs [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2019-10-02 10:02:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_dev [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_probe [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2019-10-02 10:02:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_resume [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_single [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_split [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_init_queue [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2019-10-02 10:02:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_queues [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure talk_to_netback [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_connect [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_sset_count [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_ethtool_stats [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_strings [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2019-10-02 10:02:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_init [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_exit [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_7 [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_7 [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 10:02:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-02 10:02:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-02 10:02:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 10:02:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 10:02:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 10:02:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 10:02:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 10:02:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 10:02:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 10:02:25,901 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 10:02:37,701 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:02:37,701 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:02:37,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:02:37 BoogieIcfgContainer [2019-10-02 10:02:37,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:02:37,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:02:37,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:02:37,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:02:37,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:02:18" (1/3) ... [2019-10-02 10:02:37,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145d8e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:02:37, skipping insertion in model container [2019-10-02 10:02:37,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:02:23" (2/3) ... [2019-10-02 10:02:37,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145d8e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:02:37, skipping insertion in model container [2019-10-02 10:02:37,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:02:37" (3/3) ... [2019-10-02 10:02:37,712 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-02 10:02:37,722 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:02:37,742 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:02:37,759 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:02:37,809 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:02:37,810 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:02:37,810 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:02:37,810 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:02:37,810 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:02:37,811 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:02:37,811 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:02:37,811 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:02:37,811 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:02:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states. [2019-10-02 10:02:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-02 10:02:37,922 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:37,924 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2019-10-02 10:02:37,926 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:37,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:37,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1518624371, now seen corresponding path program 1 times [2019-10-02 10:02:37,935 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:37,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:38,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:38,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:38,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2019-10-02 10:02:39,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:39,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:39,262 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:39,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:39,279 INFO L87 Difference]: Start difference. First operand 2456 states. Second operand 3 states. [2019-10-02 10:02:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:39,966 INFO L93 Difference]: Finished difference Result 5379 states and 6942 transitions. [2019-10-02 10:02:39,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:39,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-02 10:02:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:40,027 INFO L225 Difference]: With dead ends: 5379 [2019-10-02 10:02:40,027 INFO L226 Difference]: Without dead ends: 3348 [2019-10-02 10:02:40,044 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 10:02:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2019-10-02 10:02:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 3314. [2019-10-02 10:02:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2019-10-02 10:02:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4230 transitions. [2019-10-02 10:02:40,337 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4230 transitions. Word has length 371 [2019-10-02 10:02:40,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:40,339 INFO L475 AbstractCegarLoop]: Abstraction has 3314 states and 4230 transitions. [2019-10-02 10:02:40,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4230 transitions. [2019-10-02 10:02:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-02 10:02:40,350 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:40,351 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:02:40,351 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:40,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:40,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1440592048, now seen corresponding path program 1 times [2019-10-02 10:02:40,352 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:40,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:40,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:40,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:40,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2019-10-02 10:02:41,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:41,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:41,077 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:41,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:41,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:41,078 INFO L87 Difference]: Start difference. First operand 3314 states and 4230 transitions. Second operand 3 states. [2019-10-02 10:02:41,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:41,587 INFO L93 Difference]: Finished difference Result 7911 states and 10090 transitions. [2019-10-02 10:02:41,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:41,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-02 10:02:41,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:41,628 INFO L225 Difference]: With dead ends: 7911 [2019-10-02 10:02:41,628 INFO L226 Difference]: Without dead ends: 4666 [2019-10-02 10:02:41,646 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 10:02:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2019-10-02 10:02:41,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 4661. [2019-10-02 10:02:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4661 states. [2019-10-02 10:02:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 5948 transitions. [2019-10-02 10:02:41,861 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 5948 transitions. Word has length 369 [2019-10-02 10:02:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:41,863 INFO L475 AbstractCegarLoop]: Abstraction has 4661 states and 5948 transitions. [2019-10-02 10:02:41,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 5948 transitions. [2019-10-02 10:02:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-10-02 10:02:41,876 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:41,877 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-10-02 10:02:41,877 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:41,877 INFO L82 PathProgramCache]: Analyzing trace with hash -693116446, now seen corresponding path program 1 times [2019-10-02 10:02:41,877 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:41,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:41,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:41,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:41,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2177 trivial. 0 not checked. [2019-10-02 10:02:42,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:42,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:42,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:42,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:42,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:42,637 INFO L87 Difference]: Start difference. First operand 4661 states and 5948 transitions. Second operand 3 states. [2019-10-02 10:02:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:42,832 INFO L93 Difference]: Finished difference Result 9271 states and 11844 transitions. [2019-10-02 10:02:42,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:42,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2019-10-02 10:02:42,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:42,878 INFO L225 Difference]: With dead ends: 9271 [2019-10-02 10:02:42,878 INFO L226 Difference]: Without dead ends: 4683 [2019-10-02 10:02:42,900 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 10:02:42,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4683 states. [2019-10-02 10:02:43,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4683 to 4671. [2019-10-02 10:02:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4671 states. [2019-10-02 10:02:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4671 states and 5962 transitions. [2019-10-02 10:02:43,170 INFO L78 Accepts]: Start accepts. Automaton has 4671 states and 5962 transitions. Word has length 467 [2019-10-02 10:02:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:43,179 INFO L475 AbstractCegarLoop]: Abstraction has 4671 states and 5962 transitions. [2019-10-02 10:02:43,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4671 states and 5962 transitions. [2019-10-02 10:02:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-10-02 10:02:43,205 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:43,206 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-10-02 10:02:43,207 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:43,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1177098357, now seen corresponding path program 1 times [2019-10-02 10:02:43,208 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:43,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:43,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:43,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:43,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:44,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2019-10-02 10:02:44,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:44,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:44,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:44,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:44,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:44,007 INFO L87 Difference]: Start difference. First operand 4671 states and 5962 transitions. Second operand 3 states. [2019-10-02 10:02:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:46,589 INFO L93 Difference]: Finished difference Result 12197 states and 15553 transitions. [2019-10-02 10:02:46,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:46,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 472 [2019-10-02 10:02:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:46,637 INFO L225 Difference]: With dead ends: 12197 [2019-10-02 10:02:46,638 INFO L226 Difference]: Without dead ends: 7599 [2019-10-02 10:02:46,658 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 10:02:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7599 states. [2019-10-02 10:02:46,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7578. [2019-10-02 10:02:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7578 states. [2019-10-02 10:02:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 9650 transitions. [2019-10-02 10:02:46,920 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 9650 transitions. Word has length 472 [2019-10-02 10:02:46,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:46,921 INFO L475 AbstractCegarLoop]: Abstraction has 7578 states and 9650 transitions. [2019-10-02 10:02:46,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 9650 transitions. [2019-10-02 10:02:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-10-02 10:02:46,933 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:46,934 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-10-02 10:02:46,934 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1299007738, now seen corresponding path program 1 times [2019-10-02 10:02:46,935 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:46,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:46,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:46,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:46,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2177 trivial. 0 not checked. [2019-10-02 10:02:48,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:48,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:48,054 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:48,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:48,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:48,055 INFO L87 Difference]: Start difference. First operand 7578 states and 9650 transitions. Second operand 3 states. [2019-10-02 10:02:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:48,194 INFO L93 Difference]: Finished difference Result 8068 states and 10132 transitions. [2019-10-02 10:02:48,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:48,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2019-10-02 10:02:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:48,237 INFO L225 Difference]: With dead ends: 8068 [2019-10-02 10:02:48,237 INFO L226 Difference]: Without dead ends: 8065 [2019-10-02 10:02:48,242 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:02:48,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8065 states. [2019-10-02 10:02:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8065 to 8065. [2019-10-02 10:02:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8065 states. [2019-10-02 10:02:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8065 states to 8065 states and 10126 transitions. [2019-10-02 10:02:48,556 INFO L78 Accepts]: Start accepts. Automaton has 8065 states and 10126 transitions. Word has length 471 [2019-10-02 10:02:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:48,557 INFO L475 AbstractCegarLoop]: Abstraction has 8065 states and 10126 transitions. [2019-10-02 10:02:48,557 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 8065 states and 10126 transitions. [2019-10-02 10:02:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-10-02 10:02:48,589 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:48,590 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 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] [2019-10-02 10:02:48,590 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:48,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:48,591 INFO L82 PathProgramCache]: Analyzing trace with hash 702474160, now seen corresponding path program 1 times [2019-10-02 10:02:48,591 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:48,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:48,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2381 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2373 trivial. 0 not checked. [2019-10-02 10:02:49,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:49,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:02:49,935 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:02:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:02:49,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:02:49,936 INFO L87 Difference]: Start difference. First operand 8065 states and 10126 transitions. Second operand 3 states. [2019-10-02 10:02:52,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:52,800 INFO L93 Difference]: Finished difference Result 19660 states and 24706 transitions. [2019-10-02 10:02:52,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:02:52,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 557 [2019-10-02 10:02:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:52,879 INFO L225 Difference]: With dead ends: 19660 [2019-10-02 10:02:52,879 INFO L226 Difference]: Without dead ends: 11668 [2019-10-02 10:02:52,910 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 10:02:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2019-10-02 10:02:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 11629. [2019-10-02 10:02:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11629 states. [2019-10-02 10:02:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11629 states to 11629 states and 14549 transitions. [2019-10-02 10:02:53,335 INFO L78 Accepts]: Start accepts. Automaton has 11629 states and 14549 transitions. Word has length 557 [2019-10-02 10:02:53,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:53,336 INFO L475 AbstractCegarLoop]: Abstraction has 11629 states and 14549 transitions. [2019-10-02 10:02:53,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:02:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 11629 states and 14549 transitions. [2019-10-02 10:02:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-10-02 10:02:53,381 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:53,381 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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] [2019-10-02 10:02:53,382 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:53,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:53,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1695990613, now seen corresponding path program 1 times [2019-10-02 10:02:53,382 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:53,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:53,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:53,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:53,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2019-10-02 10:02:54,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:54,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:02:54,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:02:54,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:02:54,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:02:54,560 INFO L87 Difference]: Start difference. First operand 11629 states and 14549 transitions. Second operand 5 states. [2019-10-02 10:02:57,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:57,185 INFO L93 Difference]: Finished difference Result 23230 states and 29054 transitions. [2019-10-02 10:02:57,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:02:57,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 581 [2019-10-02 10:02:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:02:57,232 INFO L225 Difference]: With dead ends: 23230 [2019-10-02 10:02:57,233 INFO L226 Difference]: Without dead ends: 11629 [2019-10-02 10:02:57,265 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:02:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2019-10-02 10:02:57,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11629. [2019-10-02 10:02:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11629 states. [2019-10-02 10:02:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11629 states to 11629 states and 14531 transitions. [2019-10-02 10:02:57,703 INFO L78 Accepts]: Start accepts. Automaton has 11629 states and 14531 transitions. Word has length 581 [2019-10-02 10:02:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:02:57,704 INFO L475 AbstractCegarLoop]: Abstraction has 11629 states and 14531 transitions. [2019-10-02 10:02:57,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:02:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11629 states and 14531 transitions. [2019-10-02 10:02:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2019-10-02 10:02:57,751 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:02:57,751 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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] [2019-10-02 10:02:57,752 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:02:57,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:02:57,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1674347689, now seen corresponding path program 1 times [2019-10-02 10:02:57,752 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:02:57,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:02:57,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:57,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:02:57,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:02:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:02:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2385 trivial. 0 not checked. [2019-10-02 10:02:59,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:02:59,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-02 10:02:59,590 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 10:02:59,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 10:02:59,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-02 10:02:59,593 INFO L87 Difference]: Start difference. First operand 11629 states and 14531 transitions. Second operand 16 states. [2019-10-02 10:03:00,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:03:00,370 INFO L93 Difference]: Finished difference Result 23215 states and 29009 transitions. [2019-10-02 10:03:00,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 10:03:00,370 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 608 [2019-10-02 10:03:00,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:03:00,425 INFO L225 Difference]: With dead ends: 23215 [2019-10-02 10:03:00,425 INFO L226 Difference]: Without dead ends: 11659 [2019-10-02 10:03:00,463 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-02 10:03:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2019-10-02 10:03:00,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 11655. [2019-10-02 10:03:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11655 states. [2019-10-02 10:03:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11655 states to 11655 states and 14562 transitions. [2019-10-02 10:03:00,842 INFO L78 Accepts]: Start accepts. Automaton has 11655 states and 14562 transitions. Word has length 608 [2019-10-02 10:03:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:03:00,843 INFO L475 AbstractCegarLoop]: Abstraction has 11655 states and 14562 transitions. [2019-10-02 10:03:00,843 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 10:03:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11655 states and 14562 transitions. [2019-10-02 10:03:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2019-10-02 10:03:00,877 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:03:00,878 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 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] [2019-10-02 10:03:00,878 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:03:00,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:03:00,879 INFO L82 PathProgramCache]: Analyzing trace with hash 525313453, now seen corresponding path program 1 times [2019-10-02 10:03:00,879 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:03:00,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:03:00,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:03:00,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:03:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:03:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:03:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2019-10-02 10:03:01,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:03:01,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:03:01,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:03:01,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:03:01,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:03:01,964 INFO L87 Difference]: Start difference. First operand 11655 states and 14562 transitions. Second operand 6 states. [2019-10-02 10:03:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:03:02,335 INFO L93 Difference]: Finished difference Result 23351 states and 29197 transitions. [2019-10-02 10:03:02,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:03:02,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 645 [2019-10-02 10:03:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:03:02,379 INFO L225 Difference]: With dead ends: 23351 [2019-10-02 10:03:02,380 INFO L226 Difference]: Without dead ends: 11769 [2019-10-02 10:03:02,405 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 10:03:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11769 states. [2019-10-02 10:03:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11769 to 11679. [2019-10-02 10:03:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11679 states. [2019-10-02 10:03:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11679 states to 11679 states and 14586 transitions. [2019-10-02 10:03:02,737 INFO L78 Accepts]: Start accepts. Automaton has 11679 states and 14586 transitions. Word has length 645 [2019-10-02 10:03:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:03:02,738 INFO L475 AbstractCegarLoop]: Abstraction has 11679 states and 14586 transitions. [2019-10-02 10:03:02,738 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:03:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 11679 states and 14586 transitions. [2019-10-02 10:03:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2019-10-02 10:03:02,770 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:03:02,772 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:03:02,772 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:03:02,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:03:02,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1940379784, now seen corresponding path program 1 times [2019-10-02 10:03:02,772 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:03:02,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:03:02,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:03:02,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:03:02,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:03:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:03:04,746 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:465) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-02 10:03:04,760 INFO L168 Benchmark]: Toolchain (without parser) took 45787.91 ms. Allocated memory was 141.6 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 74.8 MB in the beginning and 465.5 MB in the end (delta: -390.7 MB). Peak memory consumption was 922.2 MB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,760 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4462.06 ms. Allocated memory was 141.6 MB in the beginning and 274.7 MB in the end (delta: 133.2 MB). Free memory was 74.6 MB in the beginning and 102.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,763 INFO L168 Benchmark]: Boogie Preprocessor took 469.11 ms. Allocated memory was 274.7 MB in the beginning and 364.4 MB in the end (delta: 89.7 MB). Free memory was 102.2 MB in the beginning and 286.4 MB in the end (delta: -184.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,764 INFO L168 Benchmark]: RCFGBuilder took 13802.94 ms. Allocated memory was 364.4 MB in the beginning and 900.7 MB in the end (delta: 536.3 MB). Free memory was 286.4 MB in the beginning and 745.4 MB in the end (delta: -459.0 MB). Peak memory consumption was 677.7 MB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,767 INFO L168 Benchmark]: TraceAbstraction took 27045.99 ms. Allocated memory was 900.7 MB in the beginning and 1.5 GB in the end (delta: 553.6 MB). Free memory was 745.4 MB in the beginning and 465.5 MB in the end (delta: 279.9 MB). Peak memory consumption was 833.5 MB. Max. memory is 7.1 GB. [2019-10-02 10:03:04,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4462.06 ms. Allocated memory was 141.6 MB in the beginning and 274.7 MB in the end (delta: 133.2 MB). Free memory was 74.6 MB in the beginning and 102.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 469.11 ms. Allocated memory was 274.7 MB in the beginning and 364.4 MB in the end (delta: 89.7 MB). Free memory was 102.2 MB in the beginning and 286.4 MB in the end (delta: -184.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13802.94 ms. Allocated memory was 364.4 MB in the beginning and 900.7 MB in the end (delta: 536.3 MB). Free memory was 286.4 MB in the beginning and 745.4 MB in the end (delta: -459.0 MB). Peak memory consumption was 677.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27045.99 ms. Allocated memory was 900.7 MB in the beginning and 1.5 GB in the end (delta: 553.6 MB). Free memory was 745.4 MB in the beginning and 465.5 MB in the end (delta: 279.9 MB). Peak memory consumption was 833.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...