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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:43:20,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:43:20,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:43:20,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:43:20,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:43:20,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:43:20,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:43:20,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:43:20,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:43:20,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:43:20,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:43:20,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:43:20,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:43:20,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:43:20,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:43:20,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:43:20,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:43:20,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:43:20,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:43:20,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:43:20,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:43:20,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:43:20,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:43:20,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:43:20,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:43:20,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:43:20,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:43:20,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:43:20,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:43:20,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:43:20,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:43:20,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:43:20,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:43:20,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:43:20,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:43:20,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:43:20,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:43:20,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:43:20,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:43:20,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:43:20,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:43:20,844 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 [2019-09-10 10:43:20,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:43:20,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:43:20,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:43:20,860 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:43:20,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:43:20,861 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:43:20,862 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:43:20,862 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:43:20,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:43:20,862 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:43:20,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:43:20,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:43:20,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:43:20,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:43:20,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:43:20,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:43:20,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:43:20,864 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:43:20,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:43:20,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:43:20,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:43:20,865 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:43:20,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:43:20,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:43:20,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:43:20,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:43:20,867 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:43:20,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:43:20,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:43:20,868 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:43:20,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:43:20,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:43:20,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:43:20,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:43:20,948 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:43:20,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2019-09-10 10:43:21,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3011f214/a22d473d29a0478391b9f7e9d1a6b5c9/FLAG95f873122 [2019-09-10 10:43:21,873 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:43:21,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2019-09-10 10:43:21,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3011f214/a22d473d29a0478391b9f7e9d1a6b5c9/FLAG95f873122 [2019-09-10 10:43:22,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3011f214/a22d473d29a0478391b9f7e9d1a6b5c9 [2019-09-10 10:43:22,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:43:22,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:43:22,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:43:22,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:43:22,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:43:22,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:43:22" (1/1) ... [2019-09-10 10:43:22,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77354da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:22, skipping insertion in model container [2019-09-10 10:43:22,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:43:22" (1/1) ... [2019-09-10 10:43:22,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:43:22,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:43:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:43:24,421 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:43:24,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:43:25,113 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:43:25,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25 WrapperNode [2019-09-10 10:43:25,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:43:25,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:43:25,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:43:25,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:43:25,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (1/1) ... [2019-09-10 10:43:25,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:43:25,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:43:25,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:43:25,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:43:25,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (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 [2019-09-10 10:43:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:43:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:43:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:43:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:43:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-10 10:43:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-10 10:43:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-10 10:43:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2019-09-10 10:43:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2019-09-10 10:43:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2019-09-10 10:43:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_write [2019-09-10 10:43:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2019-09-10 10:43:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2019-09-10 10:43:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_set_addr_direct [2019-09-10 10:43:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_set_addr_indirect [2019-09-10 10:43:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_phy_read [2019-09-10 10:43:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_phy_write [2019-09-10 10:43:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_disable [2019-09-10 10:43:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_enable [2019-09-10 10:43:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_reenable_work [2019-09-10 10:43:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_reenable_timer [2019-09-10 10:43:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2019-09-10 10:43:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2019-09-10 10:43:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_state_init [2019-09-10 10:43:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_phy_read_ppu [2019-09-10 10:43:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_phy_write_ppu [2019-09-10 10:43:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_poll_link [2019-09-10 10:43:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_snapshot [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_init [2019-09-10 10:43:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_cleanup [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:43:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 10:43:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-09-10 10:43:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_probe [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_switch_reset [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_setup_global [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_setup_port [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_setup [2019-09-10 10:43:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_port_to_phy_addr [2019-09-10 10:43:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_phy_read [2019-09-10 10:43:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_phy_write [2019-09-10 10:43:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_get_strings [2019-09-10 10:43:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_get_ethtool_stats [2019-09-10 10:43:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6123_61_65_get_sset_count [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main1_sequence_infinite_withcheck_stateful [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_38 [2019-09-10 10:43:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_probe [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_switch_reset [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_setup_global [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_setup_port [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_setup [2019-09-10 10:43:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_phy_read [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_phy_write [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_get_strings [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_get_ethtool_stats [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_get_sset_count [2019-09-10 10:43:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_48 [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2019-09-10 10:43:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:43:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:43:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:43:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:43:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:43:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:43:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-10 10:43:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-09-10 10:43:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 10:43:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure register_switch_driver [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_switch_driver [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:43:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:43:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-10 10:43:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:43:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:43:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:43:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:43:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-09-10 10:43:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-10 10:43:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 10:43:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:43:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-10 10:43:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure register_switch_driver [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_switch_driver [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-10 10:43:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2019-09-10 10:43:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_write [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_set_addr_direct [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_set_addr_indirect [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_phy_read [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_phy_write [2019-09-10 10:43:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_state_init [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_phy_read_ppu [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_phy_write_ppu [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_poll_link [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2019-09-10 10:43:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_disable [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_enable [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_reenable_work [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_reenable_timer [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2019-09-10 10:43:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_snapshot [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-10 10:43:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_init [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_cleanup [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-09-10 10:43:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_38 [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2019-09-10 10:43:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_probe [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_switch_reset [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_setup_global [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_setup_port [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_setup [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_port_to_phy_addr [2019-09-10 10:43:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_phy_read [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_phy_write [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_get_strings [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_get_ethtool_stats [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6123_61_65_get_sset_count [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-09-10 10:43:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main1_sequence_infinite_withcheck_stateful [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_48 [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2019-09-10 10:43:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_probe [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_switch_reset [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_setup_global [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_setup_port [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_setup [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_phy_read [2019-09-10 10:43:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_phy_write [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_get_strings [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_get_ethtool_stats [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_get_sset_count [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:43:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:43:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ppu_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_smi_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_stats_mutex_of_mv88e6xxx_priv_state [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:43:30,675 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:43:30,675 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:43:30,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:43:30 BoogieIcfgContainer [2019-09-10 10:43:30,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:43:30,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:43:30,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:43:30,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:43:30,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:43:22" (1/3) ... [2019-09-10 10:43:30,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb50bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:43:30, skipping insertion in model container [2019-09-10 10:43:30,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:43:25" (2/3) ... [2019-09-10 10:43:30,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb50bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:43:30, skipping insertion in model container [2019-09-10 10:43:30,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:43:30" (3/3) ... [2019-09-10 10:43:30,686 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2019-09-10 10:43:30,698 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:43:30,709 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:43:30,730 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:43:30,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:43:30,760 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:43:30,760 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:43:30,761 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:43:30,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:43:30,761 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:43:30,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:43:30,761 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:43:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states. [2019-09-10 10:43:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-10 10:43:30,806 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:30,807 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:30,810 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:30,816 INFO L82 PathProgramCache]: Analyzing trace with hash -182718636, now seen corresponding path program 1 times [2019-09-10 10:43:30,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:30,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:30,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:30,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:30,920 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:31,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:31,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:31,564 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:31,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:31,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:31,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:31,588 INFO L87 Difference]: Start difference. First operand 1177 states. Second operand 3 states. [2019-09-10 10:43:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:31,942 INFO L93 Difference]: Finished difference Result 633 states and 852 transitions. [2019-09-10 10:43:31,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:31,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-09-10 10:43:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:31,974 INFO L225 Difference]: With dead ends: 633 [2019-09-10 10:43:31,974 INFO L226 Difference]: Without dead ends: 626 [2019-09-10 10:43:31,979 INFO L628 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 [2019-09-10 10:43:32,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-09-10 10:43:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2019-09-10 10:43:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-09-10 10:43:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 845 transitions. [2019-09-10 10:43:32,115 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 845 transitions. Word has length 16 [2019-09-10 10:43:32,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:32,116 INFO L475 AbstractCegarLoop]: Abstraction has 626 states and 845 transitions. [2019-09-10 10:43:32,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 845 transitions. [2019-09-10 10:43:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-10 10:43:32,119 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:32,120 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:32,120 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:32,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:32,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1369973910, now seen corresponding path program 1 times [2019-09-10 10:43:32,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:32,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:32,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:32,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:32,189 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:32,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:32,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:32,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:32,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:32,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:32,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:32,508 INFO L87 Difference]: Start difference. First operand 626 states and 845 transitions. Second operand 3 states. [2019-09-10 10:43:32,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:32,777 INFO L93 Difference]: Finished difference Result 625 states and 843 transitions. [2019-09-10 10:43:32,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:32,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-09-10 10:43:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:32,784 INFO L225 Difference]: With dead ends: 625 [2019-09-10 10:43:32,784 INFO L226 Difference]: Without dead ends: 625 [2019-09-10 10:43:32,785 INFO L628 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 [2019-09-10 10:43:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-09-10 10:43:32,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2019-09-10 10:43:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-09-10 10:43:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 843 transitions. [2019-09-10 10:43:32,824 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 843 transitions. Word has length 17 [2019-09-10 10:43:32,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:32,825 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 843 transitions. [2019-09-10 10:43:32,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 843 transitions. [2019-09-10 10:43:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-10 10:43:32,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:32,826 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:32,827 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:32,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:32,827 INFO L82 PathProgramCache]: Analyzing trace with hash 479823127, now seen corresponding path program 1 times [2019-09-10 10:43:32,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:32,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:32,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:32,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:32,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:33,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:33,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:33,154 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:33,154 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:33,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:33,156 INFO L87 Difference]: Start difference. First operand 625 states and 843 transitions. Second operand 3 states. [2019-09-10 10:43:33,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:33,505 INFO L93 Difference]: Finished difference Result 1187 states and 1617 transitions. [2019-09-10 10:43:33,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:33,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-09-10 10:43:33,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:33,515 INFO L225 Difference]: With dead ends: 1187 [2019-09-10 10:43:33,515 INFO L226 Difference]: Without dead ends: 1187 [2019-09-10 10:43:33,516 INFO L628 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 [2019-09-10 10:43:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-09-10 10:43:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1180. [2019-09-10 10:43:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1180 states. [2019-09-10 10:43:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1611 transitions. [2019-09-10 10:43:33,580 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1611 transitions. Word has length 18 [2019-09-10 10:43:33,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:33,580 INFO L475 AbstractCegarLoop]: Abstraction has 1180 states and 1611 transitions. [2019-09-10 10:43:33,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1611 transitions. [2019-09-10 10:43:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 10:43:33,581 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:33,582 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:33,582 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:33,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:33,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1988961293, now seen corresponding path program 1 times [2019-09-10 10:43:33,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:33,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:33,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:33,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:33,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:33,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:33,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:33,861 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:33,861 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:33,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:33,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:33,862 INFO L87 Difference]: Start difference. First operand 1180 states and 1611 transitions. Second operand 3 states. [2019-09-10 10:43:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:34,106 INFO L93 Difference]: Finished difference Result 1250 states and 1695 transitions. [2019-09-10 10:43:34,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:34,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-09-10 10:43:34,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:34,116 INFO L225 Difference]: With dead ends: 1250 [2019-09-10 10:43:34,116 INFO L226 Difference]: Without dead ends: 1250 [2019-09-10 10:43:34,117 INFO L628 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 [2019-09-10 10:43:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2019-09-10 10:43:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1248. [2019-09-10 10:43:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-09-10 10:43:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1694 transitions. [2019-09-10 10:43:34,164 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1694 transitions. Word has length 19 [2019-09-10 10:43:34,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:34,165 INFO L475 AbstractCegarLoop]: Abstraction has 1248 states and 1694 transitions. [2019-09-10 10:43:34,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1694 transitions. [2019-09-10 10:43:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-10 10:43:34,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:34,166 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:34,166 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:34,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1527609050, now seen corresponding path program 1 times [2019-09-10 10:43:34,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:34,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:34,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:34,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:34,171 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:34,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:34,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:34,431 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:34,431 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:34,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:34,432 INFO L87 Difference]: Start difference. First operand 1248 states and 1694 transitions. Second operand 3 states. [2019-09-10 10:43:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:34,845 INFO L93 Difference]: Finished difference Result 1460 states and 1949 transitions. [2019-09-10 10:43:34,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:34,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-09-10 10:43:34,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:34,857 INFO L225 Difference]: With dead ends: 1460 [2019-09-10 10:43:34,857 INFO L226 Difference]: Without dead ends: 1454 [2019-09-10 10:43:34,857 INFO L628 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 [2019-09-10 10:43:34,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2019-09-10 10:43:34,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1451. [2019-09-10 10:43:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2019-09-10 10:43:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1939 transitions. [2019-09-10 10:43:34,913 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1939 transitions. Word has length 20 [2019-09-10 10:43:34,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:34,913 INFO L475 AbstractCegarLoop]: Abstraction has 1451 states and 1939 transitions. [2019-09-10 10:43:34,914 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1939 transitions. [2019-09-10 10:43:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-10 10:43:34,919 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:34,920 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:34,920 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:34,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:34,920 INFO L82 PathProgramCache]: Analyzing trace with hash -121641663, now seen corresponding path program 1 times [2019-09-10 10:43:34,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:34,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:34,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:34,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:34,924 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:35,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:35,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:43:35,240 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:35,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:43:35,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:43:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:43:35,241 INFO L87 Difference]: Start difference. First operand 1451 states and 1939 transitions. Second operand 6 states. [2019-09-10 10:43:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:35,359 INFO L93 Difference]: Finished difference Result 1458 states and 1950 transitions. [2019-09-10 10:43:35,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 10:43:35,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-09-10 10:43:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:35,371 INFO L225 Difference]: With dead ends: 1458 [2019-09-10 10:43:35,371 INFO L226 Difference]: Without dead ends: 1458 [2019-09-10 10:43:35,372 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:43:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2019-09-10 10:43:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1456. [2019-09-10 10:43:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2019-09-10 10:43:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1947 transitions. [2019-09-10 10:43:35,443 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1947 transitions. Word has length 73 [2019-09-10 10:43:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:35,447 INFO L475 AbstractCegarLoop]: Abstraction has 1456 states and 1947 transitions. [2019-09-10 10:43:35,447 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:43:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1947 transitions. [2019-09-10 10:43:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 10:43:35,454 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:35,454 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:35,454 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1445888189, now seen corresponding path program 1 times [2019-09-10 10:43:35,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:35,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:35,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:35,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:35,459 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:43:35,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:35,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:43:35,840 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:35,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:43:35,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:43:35,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:43:35,842 INFO L87 Difference]: Start difference. First operand 1456 states and 1947 transitions. Second operand 6 states. [2019-09-10 10:43:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:35,922 INFO L93 Difference]: Finished difference Result 1460 states and 1952 transitions. [2019-09-10 10:43:35,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 10:43:35,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-09-10 10:43:35,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:35,932 INFO L225 Difference]: With dead ends: 1460 [2019-09-10 10:43:35,932 INFO L226 Difference]: Without dead ends: 1460 [2019-09-10 10:43:35,933 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:43:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-09-10 10:43:35,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1458. [2019-09-10 10:43:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2019-09-10 10:43:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1949 transitions. [2019-09-10 10:43:35,986 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1949 transitions. Word has length 72 [2019-09-10 10:43:35,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:35,988 INFO L475 AbstractCegarLoop]: Abstraction has 1458 states and 1949 transitions. [2019-09-10 10:43:35,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:43:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1949 transitions. [2019-09-10 10:43:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 10:43:35,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:35,992 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:35,992 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:35,992 INFO L82 PathProgramCache]: Analyzing trace with hash -793810616, now seen corresponding path program 1 times [2019-09-10 10:43:35,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:35,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:35,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:35,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:35,996 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 10:43:36,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:36,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:36,315 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:36,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:36,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:36,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:36,318 INFO L87 Difference]: Start difference. First operand 1458 states and 1949 transitions. Second operand 3 states. [2019-09-10 10:43:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:36,612 INFO L93 Difference]: Finished difference Result 1457 states and 1944 transitions. [2019-09-10 10:43:36,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:36,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-10 10:43:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:36,624 INFO L225 Difference]: With dead ends: 1457 [2019-09-10 10:43:36,624 INFO L226 Difference]: Without dead ends: 1457 [2019-09-10 10:43:36,624 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2019-09-10 10:43:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2019-09-10 10:43:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2019-09-10 10:43:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1944 transitions. [2019-09-10 10:43:36,676 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1944 transitions. Word has length 77 [2019-09-10 10:43:36,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:36,677 INFO L475 AbstractCegarLoop]: Abstraction has 1457 states and 1944 transitions. [2019-09-10 10:43:36,677 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1944 transitions. [2019-09-10 10:43:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 10:43:36,679 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:36,680 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:36,680 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:36,680 INFO L82 PathProgramCache]: Analyzing trace with hash 283954785, now seen corresponding path program 1 times [2019-09-10 10:43:36,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:36,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:36,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:36,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:36,684 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 10:43:37,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:37,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:37,018 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:37,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:37,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:37,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:37,020 INFO L87 Difference]: Start difference. First operand 1457 states and 1944 transitions. Second operand 3 states. [2019-09-10 10:43:37,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:37,331 INFO L93 Difference]: Finished difference Result 1456 states and 1941 transitions. [2019-09-10 10:43:37,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:37,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-10 10:43:37,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:37,342 INFO L225 Difference]: With dead ends: 1456 [2019-09-10 10:43:37,342 INFO L226 Difference]: Without dead ends: 1456 [2019-09-10 10:43:37,343 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:37,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2019-09-10 10:43:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1456. [2019-09-10 10:43:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2019-09-10 10:43:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1941 transitions. [2019-09-10 10:43:37,430 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1941 transitions. Word has length 100 [2019-09-10 10:43:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:37,431 INFO L475 AbstractCegarLoop]: Abstraction has 1456 states and 1941 transitions. [2019-09-10 10:43:37,431 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1941 transitions. [2019-09-10 10:43:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-10 10:43:37,433 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:37,434 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:37,434 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:37,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1951367315, now seen corresponding path program 1 times [2019-09-10 10:43:37,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:37,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:37,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:37,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:37,439 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 10:43:37,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:37,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:43:37,745 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:37,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:43:37,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:43:37,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:37,747 INFO L87 Difference]: Start difference. First operand 1456 states and 1941 transitions. Second operand 3 states. [2019-09-10 10:43:38,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:38,195 INFO L93 Difference]: Finished difference Result 1458 states and 1924 transitions. [2019-09-10 10:43:38,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:43:38,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-09-10 10:43:38,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:38,205 INFO L225 Difference]: With dead ends: 1458 [2019-09-10 10:43:38,205 INFO L226 Difference]: Without dead ends: 1458 [2019-09-10 10:43:38,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:43:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2019-09-10 10:43:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1456. [2019-09-10 10:43:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2019-09-10 10:43:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1923 transitions. [2019-09-10 10:43:38,255 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1923 transitions. Word has length 107 [2019-09-10 10:43:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:38,257 INFO L475 AbstractCegarLoop]: Abstraction has 1456 states and 1923 transitions. [2019-09-10 10:43:38,257 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:43:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1923 transitions. [2019-09-10 10:43:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-09-10 10:43:38,260 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:38,260 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:43:38,260 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:38,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:38,261 INFO L82 PathProgramCache]: Analyzing trace with hash 579660955, now seen corresponding path program 1 times [2019-09-10 10:43:38,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:38,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:38,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:38,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:38,266 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 10:43:38,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:38,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:43:38,541 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:38,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:43:38,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:43:38,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:43:38,543 INFO L87 Difference]: Start difference. First operand 1456 states and 1923 transitions. Second operand 5 states. [2019-09-10 10:43:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:38,594 INFO L93 Difference]: Finished difference Result 1460 states and 1927 transitions. [2019-09-10 10:43:38,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:43:38,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2019-09-10 10:43:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:38,604 INFO L225 Difference]: With dead ends: 1460 [2019-09-10 10:43:38,604 INFO L226 Difference]: Without dead ends: 1460 [2019-09-10 10:43:38,606 INFO L628 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 [2019-09-10 10:43:38,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-09-10 10:43:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1460. [2019-09-10 10:43:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2019-09-10 10:43:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1927 transitions. [2019-09-10 10:43:38,651 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1927 transitions. Word has length 121 [2019-09-10 10:43:38,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:38,651 INFO L475 AbstractCegarLoop]: Abstraction has 1460 states and 1927 transitions. [2019-09-10 10:43:38,651 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:43:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1927 transitions. [2019-09-10 10:43:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-10 10:43:38,659 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:38,660 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:38,660 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:38,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:38,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1211556428, now seen corresponding path program 1 times [2019-09-10 10:43:38,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:38,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:38,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:38,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:38,665 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-09-10 10:43:38,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:38,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:43:38,986 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:38,987 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:43:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:43:38,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:43:38,988 INFO L87 Difference]: Start difference. First operand 1460 states and 1927 transitions. Second operand 6 states. [2019-09-10 10:43:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:39,051 INFO L93 Difference]: Finished difference Result 1460 states and 1925 transitions. [2019-09-10 10:43:39,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 10:43:39,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2019-09-10 10:43:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:39,060 INFO L225 Difference]: With dead ends: 1460 [2019-09-10 10:43:39,061 INFO L226 Difference]: Without dead ends: 1460 [2019-09-10 10:43:39,061 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:43:39,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-09-10 10:43:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1457. [2019-09-10 10:43:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2019-09-10 10:43:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1922 transitions. [2019-09-10 10:43:39,105 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1922 transitions. Word has length 184 [2019-09-10 10:43:39,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:39,106 INFO L475 AbstractCegarLoop]: Abstraction has 1457 states and 1922 transitions. [2019-09-10 10:43:39,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:43:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1922 transitions. [2019-09-10 10:43:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-10 10:43:39,111 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:39,112 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:39,112 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:39,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1018811322, now seen corresponding path program 1 times [2019-09-10 10:43:39,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:39,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:39,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:39,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:39,117 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-09-10 10:43:39,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:39,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 10:43:39,650 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:39,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 10:43:39,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 10:43:39,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 10:43:39,652 INFO L87 Difference]: Start difference. First operand 1457 states and 1922 transitions. Second operand 8 states. [2019-09-10 10:43:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:39,773 INFO L93 Difference]: Finished difference Result 1450 states and 1913 transitions. [2019-09-10 10:43:39,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 10:43:39,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 220 [2019-09-10 10:43:39,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:39,789 INFO L225 Difference]: With dead ends: 1450 [2019-09-10 10:43:39,789 INFO L226 Difference]: Without dead ends: 1450 [2019-09-10 10:43:39,790 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-10 10:43:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2019-09-10 10:43:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1448. [2019-09-10 10:43:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1448 states. [2019-09-10 10:43:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1911 transitions. [2019-09-10 10:43:39,849 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1911 transitions. Word has length 220 [2019-09-10 10:43:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:39,853 INFO L475 AbstractCegarLoop]: Abstraction has 1448 states and 1911 transitions. [2019-09-10 10:43:39,853 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 10:43:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1911 transitions. [2019-09-10 10:43:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-09-10 10:43:39,861 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:39,862 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:43:39,862 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:39,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1689651262, now seen corresponding path program 1 times [2019-09-10 10:43:39,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:39,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:39,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:39,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:39,869 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-09-10 10:43:40,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:40,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 10:43:40,304 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:40,305 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 10:43:40,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 10:43:40,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 10:43:40,307 INFO L87 Difference]: Start difference. First operand 1448 states and 1911 transitions. Second operand 8 states. [2019-09-10 10:43:40,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:40,398 INFO L93 Difference]: Finished difference Result 894 states and 1156 transitions. [2019-09-10 10:43:40,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 10:43:40,399 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2019-09-10 10:43:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:40,405 INFO L225 Difference]: With dead ends: 894 [2019-09-10 10:43:40,405 INFO L226 Difference]: Without dead ends: 894 [2019-09-10 10:43:40,406 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-10 10:43:40,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-09-10 10:43:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 889. [2019-09-10 10:43:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2019-09-10 10:43:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1150 transitions. [2019-09-10 10:43:40,433 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1150 transitions. Word has length 221 [2019-09-10 10:43:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:40,434 INFO L475 AbstractCegarLoop]: Abstraction has 889 states and 1150 transitions. [2019-09-10 10:43:40,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 10:43:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1150 transitions. [2019-09-10 10:43:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-09-10 10:43:40,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:43:40,438 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-09-10 10:43:40,439 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:43:40,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:43:40,439 INFO L82 PathProgramCache]: Analyzing trace with hash 983806182, now seen corresponding path program 1 times [2019-09-10 10:43:40,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:43:40,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:40,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:43:40,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:43:40,444 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:43:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:43:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 10:43:40,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:43:40,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:43:40,826 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:43:40,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:43:40,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:43:40,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:43:40,828 INFO L87 Difference]: Start difference. First operand 889 states and 1150 transitions. Second operand 6 states. [2019-09-10 10:43:40,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:43:40,907 INFO L93 Difference]: Finished difference Result 870 states and 1130 transitions. [2019-09-10 10:43:40,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 10:43:40,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2019-09-10 10:43:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:43:40,908 INFO L225 Difference]: With dead ends: 870 [2019-09-10 10:43:40,909 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:43:40,911 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:43:40,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:43:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:43:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:43:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:43:40,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2019-09-10 10:43:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:43:40,912 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:43:40,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:43:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:43:40,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:43:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:43:40 BoogieIcfgContainer [2019-09-10 10:43:40,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:43:40,922 INFO L168 Benchmark]: Toolchain (without parser) took 18512.96 ms. Allocated memory was 134.2 MB in the beginning and 697.3 MB in the end (delta: 563.1 MB). Free memory was 81.4 MB in the beginning and 224.7 MB in the end (delta: -143.3 MB). Peak memory consumption was 419.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,924 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2704.27 ms. Allocated memory was 134.2 MB in the beginning and 255.3 MB in the end (delta: 121.1 MB). Free memory was 81.0 MB in the beginning and 176.8 MB in the end (delta: -95.8 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,931 INFO L168 Benchmark]: Boogie Preprocessor took 273.36 ms. Allocated memory is still 255.3 MB. Free memory was 176.8 MB in the beginning and 150.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,932 INFO L168 Benchmark]: RCFGBuilder took 5289.49 ms. Allocated memory was 255.3 MB in the beginning and 444.6 MB in the end (delta: 189.3 MB). Free memory was 150.7 MB in the beginning and 167.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 211.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,933 INFO L168 Benchmark]: TraceAbstraction took 10240.75 ms. Allocated memory was 444.6 MB in the beginning and 697.3 MB in the end (delta: 252.7 MB). Free memory was 167.9 MB in the beginning and 224.7 MB in the end (delta: -56.8 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. [2019-09-10 10:43:40,947 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2704.27 ms. Allocated memory was 134.2 MB in the beginning and 255.3 MB in the end (delta: 121.1 MB). Free memory was 81.0 MB in the beginning and 176.8 MB in the end (delta: -95.8 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 273.36 ms. Allocated memory is still 255.3 MB. Free memory was 176.8 MB in the beginning and 150.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5289.49 ms. Allocated memory was 255.3 MB in the beginning and 444.6 MB in the end (delta: 189.3 MB). Free memory was 150.7 MB in the beginning and 167.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 211.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10240.75 ms. Allocated memory was 444.6 MB in the beginning and 697.3 MB in the end (delta: 252.7 MB). Free memory was 167.9 MB in the beginning and 224.7 MB in the end (delta: -56.8 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6903]: 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 152 procedures, 1339 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13841 SDtfs, 5039 SDslu, 28936 SDs, 0 SdLazy, 253 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1460occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 28 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1435 ConstructedInterpolants, 0 QuantifiedInterpolants, 245769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 280/280 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...