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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:43:49,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:49,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:49,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:49,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:49,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:49,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:49,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:49,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:49,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:49,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:49,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:49,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:49,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:49,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:49,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:49,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:49,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:49,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:49,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:49,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:49,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:49,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:49,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:49,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:49,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:49,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:49,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:49,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:49,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:49,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:49,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:49,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:49,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:49,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:49,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:49,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:49,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:49,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:49,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:49,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:49,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:43:49,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:49,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:49,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:49,596 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:49,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:49,597 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:49,597 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:49,597 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:49,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:49,597 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:49,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:49,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:49,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:49,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:49,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:49,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:49,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:49,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:49,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:49,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:49,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:49,603 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:49,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:49,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:49,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:49,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:49,604 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:49,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:49,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:49,604 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:49,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:49,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:49,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:49,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:49,677 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:49,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-09-20 13:43:49,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc3a2c54/4271986855be462c975d927293d1c1a3/FLAG9cff6765f [2019-09-20 13:43:50,575 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:50,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-09-20 13:43:50,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc3a2c54/4271986855be462c975d927293d1c1a3/FLAG9cff6765f [2019-09-20 13:43:51,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc3a2c54/4271986855be462c975d927293d1c1a3 [2019-09-20 13:43:51,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:51,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:51,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:51,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:51,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:51,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:51" (1/1) ... [2019-09-20 13:43:51,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661819aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:51, skipping insertion in model container [2019-09-20 13:43:51,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:51" (1/1) ... [2019-09-20 13:43:51,115 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:51,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:53,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:53,136 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:53,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:53,892 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:53,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53 WrapperNode [2019-09-20 13:43:53,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:53,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:53,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:53,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:53,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:53,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:53,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:53,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:54,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:54,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:54,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (1/1) ... [2019-09-20 13:43:54,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:54,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:54,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:54,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:54,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (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 [2019-09-20 13:43:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:43:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:43:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:43:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:43:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-20 13:43:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:43:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-20 13:43:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-09-20 13:43:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-09-20 13:43:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-09-20 13:43:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-09-20 13:43:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-20 13:43:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:43:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:43:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:43:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:43:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-20 13:43:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:43:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-20 13:43:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-20 13:43:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-09-20 13:43:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-09-20 13:43:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:43:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:43:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:43:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-20 13:43:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-20 13:43:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2019-09-20 13:43:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2019-09-20 13:43:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-09-20 13:43:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-09-20 13:43:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2019-09-20 13:43:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2019-09-20 13:43:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2019-09-20 13:43:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2019-09-20 13:43:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2019-09-20 13:43:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-20 13:43:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-20 13:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:43:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-20 13:43:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-20 13:43:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-20 13:43:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-20 13:43:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-09-20 13:43:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-09-20 13:43:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-09-20 13:43:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-20 13:43:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-20 13:43:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-20 13:43:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-20 13:43:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-20 13:43:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-20 13:43:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-09-20 13:43:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-20 13:43:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-09-20 13:43:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2019-09-20 13:43:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:43:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-09-20 13:43:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-09-20 13:43:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-09-20 13:43:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:43:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:43:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:43:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:43:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-20 13:43:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:43:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:43:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-20 13:43:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-09-20 13:43:54,303 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:43:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:43:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:54,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:43:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:43:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-09-20 13:43:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:43:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:43:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:43:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:43:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-20 13:43:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-20 13:43:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-20 13:43:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-20 13:43:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-20 13:43:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-20 13:43:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-20 13:43:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-20 13:43:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-09-20 13:43:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2019-09-20 13:43:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-09-20 13:43:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2019-09-20 13:43:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2019-09-20 13:43:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2019-09-20 13:43:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2019-09-20 13:43:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:43:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2019-09-20 13:43:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-09-20 13:43:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2019-09-20 13:43:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2019-09-20 13:43:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2019-09-20 13:43:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2019-09-20 13:43:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2019-09-20 13:43:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-20 13:43:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-20 13:43:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-20 13:43:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-20 13:43:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-20 13:43:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:43:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:43:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:43:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 13:43:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:43:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:43:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:43:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:43:55,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:43:58,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:58,775 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:43:58,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:58 BoogieIcfgContainer [2019-09-20 13:43:58,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:58,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:58,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:58,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:58,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:51" (1/3) ... [2019-09-20 13:43:58,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3c0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:58, skipping insertion in model container [2019-09-20 13:43:58,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:53" (2/3) ... [2019-09-20 13:43:58,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3c0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:58, skipping insertion in model container [2019-09-20 13:43:58,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:58" (3/3) ... [2019-09-20 13:43:58,785 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-09-20 13:43:58,794 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:58,804 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:58,827 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:58,854 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:58,855 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:58,855 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:58,855 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:58,855 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:58,855 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:58,855 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:58,855 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states. [2019-09-20 13:43:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:43:58,911 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:58,913 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:58,915 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:58,922 INFO L82 PathProgramCache]: Analyzing trace with hash -447859650, now seen corresponding path program 1 times [2019-09-20 13:43:58,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:59,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:59,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:59,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:43:59,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:59,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:59,620 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:59,626 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:59,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:59,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:59,645 INFO L87 Difference]: Start difference. First operand 1177 states. Second operand 3 states. [2019-09-20 13:44:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:00,519 INFO L93 Difference]: Finished difference Result 2214 states and 3044 transitions. [2019-09-20 13:44:00,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:00,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-09-20 13:44:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:00,554 INFO L225 Difference]: With dead ends: 2214 [2019-09-20 13:44:00,554 INFO L226 Difference]: Without dead ends: 2189 [2019-09-20 13:44:00,556 INFO L636 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 [2019-09-20 13:44:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2019-09-20 13:44:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2189. [2019-09-20 13:44:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2189 states. [2019-09-20 13:44:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3003 transitions. [2019-09-20 13:44:00,818 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3003 transitions. Word has length 58 [2019-09-20 13:44:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:00,820 INFO L475 AbstractCegarLoop]: Abstraction has 2189 states and 3003 transitions. [2019-09-20 13:44:00,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3003 transitions. [2019-09-20 13:44:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:44:00,843 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:00,844 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:00,844 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:00,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:00,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1075459326, now seen corresponding path program 1 times [2019-09-20 13:44:00,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:00,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:00,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:00,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:00,863 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:44:01,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:01,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:44:01,160 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:01,166 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:44:01,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:44:01,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:01,167 INFO L87 Difference]: Start difference. First operand 2189 states and 3003 transitions. Second operand 5 states. [2019-09-20 13:44:01,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:01,420 INFO L93 Difference]: Finished difference Result 2189 states and 3001 transitions. [2019-09-20 13:44:01,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:44:01,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-09-20 13:44:01,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:01,434 INFO L225 Difference]: With dead ends: 2189 [2019-09-20 13:44:01,435 INFO L226 Difference]: Without dead ends: 2189 [2019-09-20 13:44:01,436 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:44:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2019-09-20 13:44:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2189. [2019-09-20 13:44:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2189 states. [2019-09-20 13:44:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3001 transitions. [2019-09-20 13:44:01,547 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3001 transitions. Word has length 61 [2019-09-20 13:44:01,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:01,547 INFO L475 AbstractCegarLoop]: Abstraction has 2189 states and 3001 transitions. [2019-09-20 13:44:01,548 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:44:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3001 transitions. [2019-09-20 13:44:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:44:01,554 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:01,554 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2019-09-20 13:44:01,554 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:01,555 INFO L82 PathProgramCache]: Analyzing trace with hash -344416237, now seen corresponding path program 1 times [2019-09-20 13:44:01,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:01,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:01,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:01,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:01,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-09-20 13:44:01,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:01,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:44:01,880 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:01,881 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:44:01,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:44:01,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:44:01,881 INFO L87 Difference]: Start difference. First operand 2189 states and 3001 transitions. Second operand 6 states. [2019-09-20 13:44:04,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:04,604 INFO L93 Difference]: Finished difference Result 4361 states and 6031 transitions. [2019-09-20 13:44:04,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:44:04,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-09-20 13:44:04,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:04,651 INFO L225 Difference]: With dead ends: 4361 [2019-09-20 13:44:04,651 INFO L226 Difference]: Without dead ends: 4349 [2019-09-20 13:44:04,653 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:44:04,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2019-09-20 13:44:04,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2019-09-20 13:44:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4349 states. [2019-09-20 13:44:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6019 transitions. [2019-09-20 13:44:04,858 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6019 transitions. Word has length 93 [2019-09-20 13:44:04,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:04,858 INFO L475 AbstractCegarLoop]: Abstraction has 4349 states and 6019 transitions. [2019-09-20 13:44:04,858 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:44:04,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6019 transitions. [2019-09-20 13:44:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-20 13:44:04,885 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:04,885 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:04,886 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:04,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2034632062, now seen corresponding path program 1 times [2019-09-20 13:44:04,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:04,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:04,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:04,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:04,895 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-20 13:44:05,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:05,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:05,211 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:05,212 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:05,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:05,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:05,213 INFO L87 Difference]: Start difference. First operand 4349 states and 6019 transitions. Second operand 3 states. [2019-09-20 13:44:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:05,497 INFO L93 Difference]: Finished difference Result 6126 states and 8365 transitions. [2019-09-20 13:44:05,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:05,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-09-20 13:44:05,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:05,539 INFO L225 Difference]: With dead ends: 6126 [2019-09-20 13:44:05,540 INFO L226 Difference]: Without dead ends: 6126 [2019-09-20 13:44:05,540 INFO L636 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 [2019-09-20 13:44:05,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6126 states. [2019-09-20 13:44:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6126 to 6097. [2019-09-20 13:44:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6097 states. [2019-09-20 13:44:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6097 states to 6097 states and 8337 transitions. [2019-09-20 13:44:05,858 INFO L78 Accepts]: Start accepts. Automaton has 6097 states and 8337 transitions. Word has length 278 [2019-09-20 13:44:05,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:05,859 INFO L475 AbstractCegarLoop]: Abstraction has 6097 states and 8337 transitions. [2019-09-20 13:44:05,859 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 8337 transitions. [2019-09-20 13:44:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-20 13:44:05,886 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:05,886 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:05,887 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:05,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:05,887 INFO L82 PathProgramCache]: Analyzing trace with hash 970749818, now seen corresponding path program 1 times [2019-09-20 13:44:05,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:05,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:05,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:05,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:05,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-09-20 13:44:06,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:06,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:06,149 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:06,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:06,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:06,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:06,151 INFO L87 Difference]: Start difference. First operand 6097 states and 8337 transitions. Second operand 3 states. [2019-09-20 13:44:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:06,483 INFO L93 Difference]: Finished difference Result 6195 states and 8462 transitions. [2019-09-20 13:44:06,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:06,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-09-20 13:44:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:06,520 INFO L225 Difference]: With dead ends: 6195 [2019-09-20 13:44:06,520 INFO L226 Difference]: Without dead ends: 6195 [2019-09-20 13:44:06,521 INFO L636 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 [2019-09-20 13:44:06,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6195 states. [2019-09-20 13:44:06,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6195 to 6178. [2019-09-20 13:44:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6178 states. [2019-09-20 13:44:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6178 states to 6178 states and 8446 transitions. [2019-09-20 13:44:06,755 INFO L78 Accepts]: Start accepts. Automaton has 6178 states and 8446 transitions. Word has length 275 [2019-09-20 13:44:06,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:06,756 INFO L475 AbstractCegarLoop]: Abstraction has 6178 states and 8446 transitions. [2019-09-20 13:44:06,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6178 states and 8446 transitions. [2019-09-20 13:44:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-20 13:44:06,780 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:06,780 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:06,780 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:06,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:06,781 INFO L82 PathProgramCache]: Analyzing trace with hash -32252852, now seen corresponding path program 2 times [2019-09-20 13:44:06,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:06,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:06,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:06,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:06,789 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-09-20 13:44:07,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:07,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:07,275 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:07,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:07,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:07,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:07,277 INFO L87 Difference]: Start difference. First operand 6178 states and 8446 transitions. Second operand 3 states. [2019-09-20 13:44:08,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:08,285 INFO L93 Difference]: Finished difference Result 9615 states and 13078 transitions. [2019-09-20 13:44:08,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:08,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-09-20 13:44:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:08,365 INFO L225 Difference]: With dead ends: 9615 [2019-09-20 13:44:08,365 INFO L226 Difference]: Without dead ends: 9615 [2019-09-20 13:44:08,366 INFO L636 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 [2019-09-20 13:44:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2019-09-20 13:44:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 9598. [2019-09-20 13:44:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9598 states. [2019-09-20 13:44:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9598 states to 9598 states and 13062 transitions. [2019-09-20 13:44:08,809 INFO L78 Accepts]: Start accepts. Automaton has 9598 states and 13062 transitions. Word has length 275 [2019-09-20 13:44:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:08,809 INFO L475 AbstractCegarLoop]: Abstraction has 9598 states and 13062 transitions. [2019-09-20 13:44:08,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 9598 states and 13062 transitions. [2019-09-20 13:44:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-20 13:44:08,840 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:08,840 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:08,841 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:08,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash 355864058, now seen corresponding path program 2 times [2019-09-20 13:44:08,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:08,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:08,850 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:44:08,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:08,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-09-20 13:44:09,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:09,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:09,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:09,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:09,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:09,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:09,098 INFO L87 Difference]: Start difference. First operand 9598 states and 13062 transitions. Second operand 3 states. [2019-09-20 13:44:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:10,480 INFO L93 Difference]: Finished difference Result 14501 states and 19650 transitions. [2019-09-20 13:44:10,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:10,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-09-20 13:44:10,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:10,559 INFO L225 Difference]: With dead ends: 14501 [2019-09-20 13:44:10,560 INFO L226 Difference]: Without dead ends: 14501 [2019-09-20 13:44:10,560 INFO L636 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 [2019-09-20 13:44:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14501 states. [2019-09-20 13:44:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14501 to 14444. [2019-09-20 13:44:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14444 states. [2019-09-20 13:44:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14444 states to 14444 states and 19594 transitions. [2019-09-20 13:44:11,096 INFO L78 Accepts]: Start accepts. Automaton has 14444 states and 19594 transitions. Word has length 278 [2019-09-20 13:44:11,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:11,097 INFO L475 AbstractCegarLoop]: Abstraction has 14444 states and 19594 transitions. [2019-09-20 13:44:11,097 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 14444 states and 19594 transitions. [2019-09-20 13:44:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-20 13:44:11,138 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:11,138 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:11,138 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:11,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:11,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1214278916, now seen corresponding path program 1 times [2019-09-20 13:44:11,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:11,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:11,146 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:44:11,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:11,147 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-09-20 13:44:11,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:11,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:44:11,415 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:11,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:44:11,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:44:11,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:11,416 INFO L87 Difference]: Start difference. First operand 14444 states and 19594 transitions. Second operand 5 states. [2019-09-20 13:44:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:11,518 INFO L93 Difference]: Finished difference Result 14542 states and 19703 transitions. [2019-09-20 13:44:11,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:44:11,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2019-09-20 13:44:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:11,584 INFO L225 Difference]: With dead ends: 14542 [2019-09-20 13:44:11,585 INFO L226 Difference]: Without dead ends: 14542 [2019-09-20 13:44:11,586 INFO L636 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 [2019-09-20 13:44:11,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14542 states. [2019-09-20 13:44:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14542 to 14524. [2019-09-20 13:44:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14524 states. [2019-09-20 13:44:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14524 states to 14524 states and 19682 transitions. [2019-09-20 13:44:12,736 INFO L78 Accepts]: Start accepts. Automaton has 14524 states and 19682 transitions. Word has length 275 [2019-09-20 13:44:12,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:12,737 INFO L475 AbstractCegarLoop]: Abstraction has 14524 states and 19682 transitions. [2019-09-20 13:44:12,737 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:44:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 14524 states and 19682 transitions. [2019-09-20 13:44:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-09-20 13:44:12,777 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:12,777 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:12,778 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:12,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1164655490, now seen corresponding path program 1 times [2019-09-20 13:44:12,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:12,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:12,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:12,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:12,786 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-20 13:44:13,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:13,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:44:13,048 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:13,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:44:13,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:44:13,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:44:13,049 INFO L87 Difference]: Start difference. First operand 14524 states and 19682 transitions. Second operand 4 states. [2019-09-20 13:44:13,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:13,162 INFO L93 Difference]: Finished difference Result 14652 states and 19834 transitions. [2019-09-20 13:44:13,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:44:13,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 281 [2019-09-20 13:44:13,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:13,217 INFO L225 Difference]: With dead ends: 14652 [2019-09-20 13:44:13,217 INFO L226 Difference]: Without dead ends: 14652 [2019-09-20 13:44:13,218 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:44:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14652 states. [2019-09-20 13:44:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14652 to 14572. [2019-09-20 13:44:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14572 states. [2019-09-20 13:44:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14572 states to 14572 states and 19730 transitions. [2019-09-20 13:44:13,987 INFO L78 Accepts]: Start accepts. Automaton has 14572 states and 19730 transitions. Word has length 281 [2019-09-20 13:44:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:13,990 INFO L475 AbstractCegarLoop]: Abstraction has 14572 states and 19730 transitions. [2019-09-20 13:44:13,990 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:44:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 14572 states and 19730 transitions. [2019-09-20 13:44:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-09-20 13:44:14,035 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:14,035 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:14,036 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:14,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1184461802, now seen corresponding path program 1 times [2019-09-20 13:44:14,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:14,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:14,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:14,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:14,048 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-20 13:44:14,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:14,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:44:14,790 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:14,791 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:44:14,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:44:14,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:44:14,792 INFO L87 Difference]: Start difference. First operand 14572 states and 19730 transitions. Second operand 7 states. [2019-09-20 13:44:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:15,081 INFO L93 Difference]: Finished difference Result 14674 states and 19832 transitions. [2019-09-20 13:44:15,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:44:15,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 284 [2019-09-20 13:44:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:15,140 INFO L225 Difference]: With dead ends: 14674 [2019-09-20 13:44:15,140 INFO L226 Difference]: Without dead ends: 14589 [2019-09-20 13:44:15,141 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:44:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14589 states. [2019-09-20 13:44:15,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14589 to 14589. [2019-09-20 13:44:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14589 states. [2019-09-20 13:44:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14589 states to 14589 states and 19747 transitions. [2019-09-20 13:44:15,610 INFO L78 Accepts]: Start accepts. Automaton has 14589 states and 19747 transitions. Word has length 284 [2019-09-20 13:44:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:15,612 INFO L475 AbstractCegarLoop]: Abstraction has 14589 states and 19747 transitions. [2019-09-20 13:44:15,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:44:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14589 states and 19747 transitions. [2019-09-20 13:44:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-20 13:44:15,641 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:15,642 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:15,642 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:15,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:15,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1688464730, now seen corresponding path program 1 times [2019-09-20 13:44:15,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:15,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:15,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:15,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:15,650 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2019-09-20 13:44:17,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:17,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:44:17,290 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:17,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:44:17,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:44:17,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:44:17,292 INFO L87 Difference]: Start difference. First operand 14589 states and 19747 transitions. Second operand 11 states. [2019-09-20 13:44:17,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:17,681 INFO L93 Difference]: Finished difference Result 15631 states and 21400 transitions. [2019-09-20 13:44:17,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:44:17,682 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 285 [2019-09-20 13:44:17,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:17,744 INFO L225 Difference]: With dead ends: 15631 [2019-09-20 13:44:17,744 INFO L226 Difference]: Without dead ends: 15631 [2019-09-20 13:44:17,746 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:44:17,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15631 states. [2019-09-20 13:44:18,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15631 to 14685. [2019-09-20 13:44:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14685 states. [2019-09-20 13:44:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14685 states to 14685 states and 19827 transitions. [2019-09-20 13:44:18,199 INFO L78 Accepts]: Start accepts. Automaton has 14685 states and 19827 transitions. Word has length 285 [2019-09-20 13:44:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:18,199 INFO L475 AbstractCegarLoop]: Abstraction has 14685 states and 19827 transitions. [2019-09-20 13:44:18,199 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:44:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 14685 states and 19827 transitions. [2019-09-20 13:44:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-09-20 13:44:18,224 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:18,225 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:18,225 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:18,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:18,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1873838133, now seen corresponding path program 1 times [2019-09-20 13:44:18,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:18,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:18,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:18,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:18,234 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-09-20 13:44:18,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:44:18,772 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:44:18,773 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2019-09-20 13:44:18,776 INFO L207 CegarAbsIntRunner]: [109], [111], [112], [113], [154], [155], [163], [164], [168], [170], [171], [176], [177], [211], [212], [223], [224], [238], [239], [258], [259], [260], [261], [262], [264], [268], [270], [271], [320], [323], [325], [329], [332], [337], [339], [342], [348], [356], [358], [361], [365], [368], [372], [375], [385], [405], [408], [410], [422], [425], [427], [429], [431], [434], [444], [446], [449], [468], [471], [475], [478], [481], [483], [486], [487], [488], [654], [655], [672], [674], [675], [684], [686], [688], [698], [700], [715], [719], [722], [732], [738], [741], [751], [757], [770], [777], [782], [785], [788], [792], [794], [799], [820], [823], [824], [825], [826], [827], [829], [830], [838], [839], [840], [841], [975], [977], [979], [981], [983], [985], [987], [990], [993], [1006], [1035], [1064], [1067], [1070], [1072], [1082], [1090], [1279], [1282], [1285], [1288], [1291], [1293], [1297], [1300], [1303], [1305], [1310], [1313], [1315], [1705], [1714], [1719], [1731], [1735], [1742], [1744], [1745], [1797], [1798], [1853], [1855], [1856], [1965], [1966], [2100], [2102], [2103], [2124], [2126], [2129], [2130], [2135], [2136], [2137], [2138], [2214], [2216], [2217], [2218], [2236], [2238], [2243], [2247], [2250], [2251], [2253], [2254], [2258], [2260], [2262], [2264], [2265], [2302], [2303], [2326], [2327], [2370], [2371], [2372], [2373], [2384], [2385], [2386], [2387], [2388], [2389], [2390], [2391], [2392], [2393], [2394], [2395], [2400], [2401], [2402], [2403], [2404], [2405], [2406], [2407], [2408], [2409], [2410], [2411], [2414], [2415], [2416], [2417], [2486], [2487], [2488], [2489], [2490], [2491], [2498], [2499], [2504], [2505], [2510], [2511], [2526], [2527], [2528], [2529], [2536], [2537], [2538], [2539], [2596], [2597], [2598], [2599], [2600], [2601], [2602], [2603], [2604], [2605], [2620], [2621], [2658], [2659], [2660], [2661], [2662], [2663], [2664], [2665], [2722], [2752], [2753], [2770], [2771], [2860], [2861], [2878], [2879], [2908], [2909], [2914], [2915], [2916], [2918], [2919], [2920], [2921], [2922], [2924], [2925], [2926], [2927], [2928], [2929] [2019-09-20 13:44:18,844 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:44:18,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:44:18,996 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:44:18,997 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 206 root evaluator evaluations with a maximum evaluation depth of 0. Performed 206 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 418 variables. [2019-09-20 13:44:19,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:19,003 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:44:19,115 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:44:19,115 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:44:19,127 INFO L420 sIntCurrentIteration]: We unified 321 AI predicates to 321 [2019-09-20 13:44:19,128 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:44:19,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:44:19,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-20 13:44:19,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:19,131 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:44:19,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:44:19,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:44:19,132 INFO L87 Difference]: Start difference. First operand 14685 states and 19827 transitions. Second operand 2 states. [2019-09-20 13:44:19,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:19,132 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:44:19,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:44:19,133 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 322 [2019-09-20 13:44:19,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:19,133 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:44:19,133 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:44:19,134 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:44:19,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:44:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:44:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:44:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:44:19,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2019-09-20 13:44:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:19,135 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:44:19,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:44:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:44:19,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:44:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:44:19 BoogieIcfgContainer [2019-09-20 13:44:19,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:44:19,146 INFO L168 Benchmark]: Toolchain (without parser) took 28046.14 ms. Allocated memory was 135.3 MB in the beginning and 990.9 MB in the end (delta: 855.6 MB). Free memory was 76.3 MB in the beginning and 236.7 MB in the end (delta: -160.4 MB). Peak memory consumption was 695.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,147 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2796.15 ms. Allocated memory was 135.3 MB in the beginning and 265.3 MB in the end (delta: 130.0 MB). Free memory was 75.9 MB in the beginning and 189.1 MB in the end (delta: -113.2 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,151 INFO L168 Benchmark]: Boogie Preprocessor took 308.13 ms. Allocated memory is still 265.3 MB. Free memory was 189.1 MB in the beginning and 169.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,152 INFO L168 Benchmark]: RCFGBuilder took 4573.78 ms. Allocated memory was 265.3 MB in the beginning and 367.5 MB in the end (delta: 102.2 MB). Free memory was 169.7 MB in the beginning and 232.8 MB in the end (delta: -63.1 MB). Peak memory consumption was 220.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,153 INFO L168 Benchmark]: TraceAbstraction took 20363.04 ms. Allocated memory was 367.5 MB in the beginning and 990.9 MB in the end (delta: 623.4 MB). Free memory was 232.8 MB in the beginning and 236.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 619.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:44:19,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2796.15 ms. Allocated memory was 135.3 MB in the beginning and 265.3 MB in the end (delta: 130.0 MB). Free memory was 75.9 MB in the beginning and 189.1 MB in the end (delta: -113.2 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 308.13 ms. Allocated memory is still 265.3 MB. Free memory was 189.1 MB in the beginning and 169.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4573.78 ms. Allocated memory was 265.3 MB in the beginning and 367.5 MB in the end (delta: 102.2 MB). Free memory was 169.7 MB in the beginning and 232.8 MB in the end (delta: -63.1 MB). Peak memory consumption was 220.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20363.04 ms. Allocated memory was 367.5 MB in the beginning and 990.9 MB in the end (delta: 623.4 MB). Free memory was 232.8 MB in the beginning and 236.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 619.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 146 procedures, 1267 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19617 SDtfs, 10112 SDslu, 46554 SDs, 0 SdLazy, 1250 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14685occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2398753894080996 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 1164 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2765 NumberOfCodeBlocks, 2765 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2753 ConstructedInterpolants, 0 QuantifiedInterpolants, 884052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 1461/1463 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...