java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:48:53,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:48:53,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:48:53,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:48:53,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:48:53,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:48:53,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:48:53,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:48:53,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:48:53,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:48:53,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:48:53,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:48:53,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:48:53,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:48:53,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:48:53,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:48:53,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:48:53,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:48:53,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:48:53,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:48:53,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:48:53,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:48:53,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:48:53,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:48:53,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:48:53,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:48:53,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:48:53,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:48:53,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:48:53,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:48:53,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:48:53,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:48:53,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:48:53,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:48:53,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:48:53,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:48:53,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:48:53,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:48:53,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:48:53,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:48:53,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:48:53,144 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 [2019-10-03 00:48:53,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:48:53,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:48:53,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:48:53,160 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:48:53,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:48:53,161 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:48:53,161 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:48:53,162 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:48:53,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:48:53,162 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:48:53,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:48:53,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:48:53,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:48:53,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:48:53,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:48:53,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:48:53,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:48:53,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:48:53,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:48:53,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:48:53,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:48:53,165 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:48:53,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:48:53,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:48:53,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:48:53,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:48:53,166 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:48:53,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:48:53,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:48:53,167 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:48:53,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:48:53,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:48:53,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:48:53,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:48:53,222 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:48:53,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-03 00:48:53,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db48d30a/a0b6775530d04657aab986af35a33be0/FLAG2dad522d5 [2019-10-03 00:48:54,145 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:48:54,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-03 00:48:54,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db48d30a/a0b6775530d04657aab986af35a33be0/FLAG2dad522d5 [2019-10-03 00:48:54,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db48d30a/a0b6775530d04657aab986af35a33be0 [2019-10-03 00:48:54,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:48:54,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:48:54,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:54,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:48:54,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:48:54,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:54" (1/1) ... [2019-10-03 00:48:54,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149f0fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:54, skipping insertion in model container [2019-10-03 00:48:54,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:54" (1/1) ... [2019-10-03 00:48:54,659 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:48:54,807 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:48:56,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:56,485 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:48:57,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:57,367 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:48:57,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57 WrapperNode [2019-10-03 00:48:57,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:57,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:48:57,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:48:57,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:48:57,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... [2019-10-03 00:48:57,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:48:57,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:48:57,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:48:57,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:48:57,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-03 00:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-03 00:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 00:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 00:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 00:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 00:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 00:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 00:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-03 00:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-03 00:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-03 00:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-03 00:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-03 00:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-03 00:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-03 00:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-03 00:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-03 00:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-03 00:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-10-03 00:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2019-10-03 00:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2019-10-03 00:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2019-10-03 00:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2019-10-03 00:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2019-10-03 00:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2019-10-03 00:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2019-10-03 00:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2019-10-03 00:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2019-10-03 00:48:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2019-10-03 00:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2019-10-03 00:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2019-10-03 00:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2019-10-03 00:48:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2019-10-03 00:48:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2019-10-03 00:48:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2019-10-03 00:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2019-10-03 00:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-03 00:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-03 00:48:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-03 00:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-03 00:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2019-10-03 00:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2019-10-03 00:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-10-03 00:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:48:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-03 00:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-03 00:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-03 00:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 00:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-03 00:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 00:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-03 00:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-03 00:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-03 00:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-03 00:48:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-03 00:48:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-03 00:48:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-03 00:48:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-03 00:48:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-03 00:48:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-03 00:48:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-03 00:48:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-03 00:48:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-03 00:48:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-03 00:48:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-03 00:48:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-03 00:48:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-03 00:48:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-03 00:48:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-03 00:48:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:48:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-03 00:48:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-03 00:48:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-03 00:48:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:48:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:48:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:48:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:48:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:48:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:48:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 00:48:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 00:48:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 00:48:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 00:48:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:48:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:48:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-03 00:48:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:48:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 00:48:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-03 00:48:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 00:48:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 00:48:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 00:48:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:48:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:48:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:48:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:48:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-03 00:48:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:48:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:48:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:48:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:48:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-03 00:48:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-03 00:48:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:48:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-03 00:48:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2019-10-03 00:48:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-10-03 00:48:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-03 00:48:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-03 00:48:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2019-10-03 00:48:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2019-10-03 00:48:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-10-03 00:48:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-10-03 00:48:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2019-10-03 00:48:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2019-10-03 00:48:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2019-10-03 00:48:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:48:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:48:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:48:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:48:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:48:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:48:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:48:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:48:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:48:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:48:58,509 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:49:00,782 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:49:00,783 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:49:00,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:49:00 BoogieIcfgContainer [2019-10-03 00:49:00,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:49:00,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:49:00,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:49:00,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:49:00,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:48:54" (1/3) ... [2019-10-03 00:49:00,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c8c216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:49:00, skipping insertion in model container [2019-10-03 00:49:00,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:57" (2/3) ... [2019-10-03 00:49:00,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c8c216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:49:00, skipping insertion in model container [2019-10-03 00:49:00,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:49:00" (3/3) ... [2019-10-03 00:49:00,809 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-10-03 00:49:00,819 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:49:00,830 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:49:00,854 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:49:00,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:49:00,883 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:49:00,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:49:00,884 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:49:00,884 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:49:00,884 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:49:00,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:49:00,884 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:49:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2019-10-03 00:49:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-03 00:49:00,934 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:00,935 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:00,936 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:00,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:00,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1080305643, now seen corresponding path program 1 times [2019-10-03 00:49:00,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:01,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:01,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:01,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:01,029 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:49:01,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:01,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:01,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:01,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:01,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:01,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:01,641 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 3 states. [2019-10-03 00:49:01,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:01,963 INFO L93 Difference]: Finished difference Result 1317 states and 1723 transitions. [2019-10-03 00:49:01,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:01,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-03 00:49:01,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:02,013 INFO L225 Difference]: With dead ends: 1317 [2019-10-03 00:49:02,013 INFO L226 Difference]: Without dead ends: 1298 [2019-10-03 00:49:02,015 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:02,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2019-10-03 00:49:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2019-10-03 00:49:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2019-10-03 00:49:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1694 transitions. [2019-10-03 00:49:02,284 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1694 transitions. Word has length 41 [2019-10-03 00:49:02,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:02,284 INFO L475 AbstractCegarLoop]: Abstraction has 1298 states and 1694 transitions. [2019-10-03 00:49:02,285 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1694 transitions. [2019-10-03 00:49:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-03 00:49:02,289 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:02,289 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:02,289 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:02,291 INFO L82 PathProgramCache]: Analyzing trace with hash 187600140, now seen corresponding path program 1 times [2019-10-03 00:49:02,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:02,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:02,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:02,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:02,302 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:49:02,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:02,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:49:02,509 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:02,512 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:49:02,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:49:02,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:49:02,513 INFO L87 Difference]: Start difference. First operand 1298 states and 1694 transitions. Second operand 5 states. [2019-10-03 00:49:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:02,656 INFO L93 Difference]: Finished difference Result 1297 states and 1690 transitions. [2019-10-03 00:49:02,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:49:02,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-10-03 00:49:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:02,667 INFO L225 Difference]: With dead ends: 1297 [2019-10-03 00:49:02,667 INFO L226 Difference]: Without dead ends: 1297 [2019-10-03 00:49:02,668 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:49:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2019-10-03 00:49:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2019-10-03 00:49:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2019-10-03 00:49:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1690 transitions. [2019-10-03 00:49:02,740 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1690 transitions. Word has length 44 [2019-10-03 00:49:02,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:02,741 INFO L475 AbstractCegarLoop]: Abstraction has 1297 states and 1690 transitions. [2019-10-03 00:49:02,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:49:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1690 transitions. [2019-10-03 00:49:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-03 00:49:02,755 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:02,755 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-03 00:49:02,755 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:02,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:02,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1907421412, now seen corresponding path program 1 times [2019-10-03 00:49:02,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:02,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:02,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:02,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:02,772 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 00:49:03,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:03,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:49:03,087 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:03,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:49:03,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:49:03,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:49:03,089 INFO L87 Difference]: Start difference. First operand 1297 states and 1690 transitions. Second operand 6 states. [2019-10-03 00:49:04,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:04,257 INFO L93 Difference]: Finished difference Result 2579 states and 3398 transitions. [2019-10-03 00:49:04,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:49:04,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-10-03 00:49:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:04,286 INFO L225 Difference]: With dead ends: 2579 [2019-10-03 00:49:04,286 INFO L226 Difference]: Without dead ends: 2566 [2019-10-03 00:49:04,287 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:49:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2019-10-03 00:49:04,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 2566. [2019-10-03 00:49:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2566 states. [2019-10-03 00:49:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 3385 transitions. [2019-10-03 00:49:04,484 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 3385 transitions. Word has length 65 [2019-10-03 00:49:04,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:04,487 INFO L475 AbstractCegarLoop]: Abstraction has 2566 states and 3385 transitions. [2019-10-03 00:49:04,487 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:49:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3385 transitions. [2019-10-03 00:49:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-03 00:49:04,501 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:04,502 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-03 00:49:04,502 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:04,503 INFO L82 PathProgramCache]: Analyzing trace with hash -631006869, now seen corresponding path program 1 times [2019-10-03 00:49:04,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:04,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:04,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:04,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:04,512 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-03 00:49:04,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:04,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:04,741 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:04,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:04,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:04,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:04,744 INFO L87 Difference]: Start difference. First operand 2566 states and 3385 transitions. Second operand 3 states. [2019-10-03 00:49:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:05,043 INFO L93 Difference]: Finished difference Result 4084 states and 5368 transitions. [2019-10-03 00:49:05,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:05,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-03 00:49:05,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:05,077 INFO L225 Difference]: With dead ends: 4084 [2019-10-03 00:49:05,078 INFO L226 Difference]: Without dead ends: 4084 [2019-10-03 00:49:05,078 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2019-10-03 00:49:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 4054. [2019-10-03 00:49:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4054 states. [2019-10-03 00:49:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4054 states to 4054 states and 5339 transitions. [2019-10-03 00:49:05,246 INFO L78 Accepts]: Start accepts. Automaton has 4054 states and 5339 transitions. Word has length 112 [2019-10-03 00:49:05,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:05,247 INFO L475 AbstractCegarLoop]: Abstraction has 4054 states and 5339 transitions. [2019-10-03 00:49:05,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4054 states and 5339 transitions. [2019-10-03 00:49:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-03 00:49:05,257 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:05,257 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-03 00:49:05,258 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:05,258 INFO L82 PathProgramCache]: Analyzing trace with hash -2061883155, now seen corresponding path program 2 times [2019-10-03 00:49:05,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:05,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:05,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:05,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:05,266 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-03 00:49:05,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:05,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:05,425 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:05,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:05,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:05,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:05,427 INFO L87 Difference]: Start difference. First operand 4054 states and 5339 transitions. Second operand 3 states. [2019-10-03 00:49:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:05,562 INFO L93 Difference]: Finished difference Result 3520 states and 4610 transitions. [2019-10-03 00:49:05,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:05,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-03 00:49:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:05,585 INFO L225 Difference]: With dead ends: 3520 [2019-10-03 00:49:05,585 INFO L226 Difference]: Without dead ends: 3520 [2019-10-03 00:49:05,586 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2019-10-03 00:49:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3492. [2019-10-03 00:49:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3492 states. [2019-10-03 00:49:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4583 transitions. [2019-10-03 00:49:05,756 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4583 transitions. Word has length 112 [2019-10-03 00:49:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:05,756 INFO L475 AbstractCegarLoop]: Abstraction has 3492 states and 4583 transitions. [2019-10-03 00:49:05,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4583 transitions. [2019-10-03 00:49:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-03 00:49:05,767 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:05,767 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-10-03 00:49:05,768 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:05,768 INFO L82 PathProgramCache]: Analyzing trace with hash 643396192, now seen corresponding path program 1 times [2019-10-03 00:49:05,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:05,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:05,778 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-03 00:49:05,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:05,778 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-03 00:49:05,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:05,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:05,951 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:05,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:05,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:05,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:05,953 INFO L87 Difference]: Start difference. First operand 3492 states and 4583 transitions. Second operand 3 states. [2019-10-03 00:49:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:06,206 INFO L93 Difference]: Finished difference Result 4272 states and 5593 transitions. [2019-10-03 00:49:06,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:06,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-10-03 00:49:06,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:06,240 INFO L225 Difference]: With dead ends: 4272 [2019-10-03 00:49:06,240 INFO L226 Difference]: Without dead ends: 4272 [2019-10-03 00:49:06,240 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:06,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2019-10-03 00:49:06,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 4244. [2019-10-03 00:49:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4244 states. [2019-10-03 00:49:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5566 transitions. [2019-10-03 00:49:06,435 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5566 transitions. Word has length 129 [2019-10-03 00:49:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:06,435 INFO L475 AbstractCegarLoop]: Abstraction has 4244 states and 5566 transitions. [2019-10-03 00:49:06,435 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5566 transitions. [2019-10-03 00:49:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 00:49:06,448 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:06,448 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:06,449 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:06,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:06,449 INFO L82 PathProgramCache]: Analyzing trace with hash 688921957, now seen corresponding path program 1 times [2019-10-03 00:49:06,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:06,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:06,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:06,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:06,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 00:49:06,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:06,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:49:06,706 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:06,706 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:49:06,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:49:06,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:49:06,708 INFO L87 Difference]: Start difference. First operand 4244 states and 5566 transitions. Second operand 6 states. [2019-10-03 00:49:08,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:08,652 INFO L93 Difference]: Finished difference Result 7822 states and 10283 transitions. [2019-10-03 00:49:08,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:49:08,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-03 00:49:08,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:08,696 INFO L225 Difference]: With dead ends: 7822 [2019-10-03 00:49:08,696 INFO L226 Difference]: Without dead ends: 7822 [2019-10-03 00:49:08,698 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-03 00:49:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7822 states. [2019-10-03 00:49:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7822 to 7806. [2019-10-03 00:49:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7806 states. [2019-10-03 00:49:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7806 states to 7806 states and 10268 transitions. [2019-10-03 00:49:08,951 INFO L78 Accepts]: Start accepts. Automaton has 7806 states and 10268 transitions. Word has length 175 [2019-10-03 00:49:08,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:08,952 INFO L475 AbstractCegarLoop]: Abstraction has 7806 states and 10268 transitions. [2019-10-03 00:49:08,952 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:49:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7806 states and 10268 transitions. [2019-10-03 00:49:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-03 00:49:08,966 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:08,966 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:08,966 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:08,967 INFO L82 PathProgramCache]: Analyzing trace with hash -431108439, now seen corresponding path program 1 times [2019-10-03 00:49:08,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:08,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:08,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:08,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:08,975 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 00:49:09,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:09,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:49:09,181 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:09,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:49:09,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:49:09,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:49:09,183 INFO L87 Difference]: Start difference. First operand 7806 states and 10268 transitions. Second operand 7 states. [2019-10-03 00:49:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:15,989 INFO L93 Difference]: Finished difference Result 16375 states and 21544 transitions. [2019-10-03 00:49:15,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-03 00:49:15,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2019-10-03 00:49:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:16,068 INFO L225 Difference]: With dead ends: 16375 [2019-10-03 00:49:16,068 INFO L226 Difference]: Without dead ends: 16375 [2019-10-03 00:49:16,069 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-10-03 00:49:16,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16375 states. [2019-10-03 00:49:16,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16375 to 16000. [2019-10-03 00:49:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16000 states. [2019-10-03 00:49:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16000 states to 16000 states and 21004 transitions. [2019-10-03 00:49:16,555 INFO L78 Accepts]: Start accepts. Automaton has 16000 states and 21004 transitions. Word has length 172 [2019-10-03 00:49:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:16,555 INFO L475 AbstractCegarLoop]: Abstraction has 16000 states and 21004 transitions. [2019-10-03 00:49:16,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:49:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16000 states and 21004 transitions. [2019-10-03 00:49:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-03 00:49:16,577 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:16,577 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:16,578 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:16,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:16,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1128594484, now seen corresponding path program 1 times [2019-10-03 00:49:16,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:16,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:16,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:16,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:16,586 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 00:49:16,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:16,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:49:16,789 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:16,789 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:49:16,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:49:16,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:49:16,790 INFO L87 Difference]: Start difference. First operand 16000 states and 21004 transitions. Second operand 6 states. [2019-10-03 00:49:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:18,777 INFO L93 Difference]: Finished difference Result 30240 states and 39666 transitions. [2019-10-03 00:49:18,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:49:18,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2019-10-03 00:49:18,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:18,907 INFO L225 Difference]: With dead ends: 30240 [2019-10-03 00:49:18,907 INFO L226 Difference]: Without dead ends: 30240 [2019-10-03 00:49:18,907 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-03 00:49:18,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30240 states. [2019-10-03 00:49:19,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30240 to 30192. [2019-10-03 00:49:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30192 states. [2019-10-03 00:49:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30192 states to 30192 states and 39619 transitions. [2019-10-03 00:49:19,696 INFO L78 Accepts]: Start accepts. Automaton has 30192 states and 39619 transitions. Word has length 173 [2019-10-03 00:49:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:19,696 INFO L475 AbstractCegarLoop]: Abstraction has 30192 states and 39619 transitions. [2019-10-03 00:49:19,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:49:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 30192 states and 39619 transitions. [2019-10-03 00:49:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 00:49:19,720 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:19,720 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:49:19,721 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:19,721 INFO L82 PathProgramCache]: Analyzing trace with hash 93374946, now seen corresponding path program 1 times [2019-10-03 00:49:19,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:19,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:19,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:19,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:19,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 00:49:19,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:19,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:49:19,938 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:19,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:49:19,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:49:19,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:49:19,939 INFO L87 Difference]: Start difference. First operand 30192 states and 39619 transitions. Second operand 6 states. [2019-10-03 00:49:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:21,920 INFO L93 Difference]: Finished difference Result 59100 states and 77381 transitions. [2019-10-03 00:49:21,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:49:21,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-10-03 00:49:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:22,134 INFO L225 Difference]: With dead ends: 59100 [2019-10-03 00:49:22,135 INFO L226 Difference]: Without dead ends: 56138 [2019-10-03 00:49:22,135 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-03 00:49:22,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56138 states. [2019-10-03 00:49:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56138 to 56024. [2019-10-03 00:49:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56024 states. [2019-10-03 00:49:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56024 states to 56024 states and 73399 transitions. [2019-10-03 00:49:25,045 INFO L78 Accepts]: Start accepts. Automaton has 56024 states and 73399 transitions. Word has length 174 [2019-10-03 00:49:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:25,045 INFO L475 AbstractCegarLoop]: Abstraction has 56024 states and 73399 transitions. [2019-10-03 00:49:25,045 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:49:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 56024 states and 73399 transitions. [2019-10-03 00:49:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 00:49:25,060 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:25,060 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-03 00:49:25,060 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:25,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:25,061 INFO L82 PathProgramCache]: Analyzing trace with hash -235512590, now seen corresponding path program 1 times [2019-10-03 00:49:25,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:25,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:25,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:25,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:25,069 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 00:49:25,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:25,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:25,210 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:25,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:25,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:25,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:25,211 INFO L87 Difference]: Start difference. First operand 56024 states and 73399 transitions. Second operand 3 states. [2019-10-03 00:49:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:25,482 INFO L93 Difference]: Finished difference Result 57364 states and 75367 transitions. [2019-10-03 00:49:25,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:25,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 00:49:25,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:25,733 INFO L225 Difference]: With dead ends: 57364 [2019-10-03 00:49:25,733 INFO L226 Difference]: Without dead ends: 57364 [2019-10-03 00:49:25,735 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:25,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57364 states. [2019-10-03 00:49:27,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57364 to 56158. [2019-10-03 00:49:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56158 states. [2019-10-03 00:49:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56158 states to 56158 states and 73533 transitions. [2019-10-03 00:49:27,379 INFO L78 Accepts]: Start accepts. Automaton has 56158 states and 73533 transitions. Word has length 175 [2019-10-03 00:49:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:27,379 INFO L475 AbstractCegarLoop]: Abstraction has 56158 states and 73533 transitions. [2019-10-03 00:49:27,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 56158 states and 73533 transitions. [2019-10-03 00:49:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 00:49:27,395 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:27,395 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-03 00:49:27,395 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:27,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1593436150, now seen corresponding path program 1 times [2019-10-03 00:49:27,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:27,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:27,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:27,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:27,405 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-03 00:49:27,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:49:27,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:49:27,576 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:27,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:49:27,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:49:27,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:27,578 INFO L87 Difference]: Start difference. First operand 56158 states and 73533 transitions. Second operand 3 states. [2019-10-03 00:49:27,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:27,846 INFO L93 Difference]: Finished difference Result 56406 states and 73796 transitions. [2019-10-03 00:49:27,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:49:27,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2019-10-03 00:49:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:28,112 INFO L225 Difference]: With dead ends: 56406 [2019-10-03 00:49:28,113 INFO L226 Difference]: Without dead ends: 56406 [2019-10-03 00:49:28,113 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:49:28,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56406 states. [2019-10-03 00:49:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56406 to 56282. [2019-10-03 00:49:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56282 states. [2019-10-03 00:49:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56282 states to 56282 states and 73657 transitions. [2019-10-03 00:49:31,212 INFO L78 Accepts]: Start accepts. Automaton has 56282 states and 73657 transitions. Word has length 176 [2019-10-03 00:49:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:31,213 INFO L475 AbstractCegarLoop]: Abstraction has 56282 states and 73657 transitions. [2019-10-03 00:49:31,213 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:49:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 56282 states and 73657 transitions. [2019-10-03 00:49:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-03 00:49:31,228 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:49:31,228 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-03 00:49:31,229 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:49:31,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -613151019, now seen corresponding path program 1 times [2019-10-03 00:49:31,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:49:31,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:31,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:49:31,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:49:31,239 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:49:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:49:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 00:49:31,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:49:31,474 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:49:31,475 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2019-10-03 00:49:31,478 INFO L207 CegarAbsIntRunner]: [30], [31], [51], [121], [123], [124], [125], [132], [133], [147], [149], [182], [184], [186], [188], [192], [203], [206], [207], [293], [294], [295], [296], [305], [307], [308], [309], [310], [338], [339], [344], [345], [531], [533], [535], [537], [549], [552], [555], [558], [561], [563], [567], [570], [573], [575], [578], [587], [606], [609], [612], [625], [646], [649], [652], [654], [657], [665], [668], [671], [673], [678], [681], [684], [686], [689], [857], [858], [884], [893], [896], [900], [903], [911], [920], [925], [931], [935], [1150], [1152], [1155], [1158], [1178], [1215], [1234], [1253], [1257], [1258], [1335], [1336], [1345], [1347], [1349], [1352], [1406], [1443], [1445], [1450], [1454], [1457], [1461], [1512], [1513], [1556], [1557], [1564], [1565], [1572], [1573], [1574], [1575], [1576], [1577], [1610], [1611], [1654], [1655], [1656], [1657], [1660], [1661], [1662], [1663], [1664], [1665], [1674], [1675], [1676], [1677], [1678], [1679], [1686], [1792], [1793], [1794], [1795], [1796], [1797], [1830], [1831], [1856], [1857], [1858], [1859], [1904], [1905], [1906], [1920], [1921], [1922] [2019-10-03 00:49:31,542 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:49:31,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:49:31,647 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:49:31,649 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 168 root evaluator evaluations with a maximum evaluation depth of 0. Performed 168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 302 variables. [2019-10-03 00:49:31,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:49:31,654 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:49:31,730 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:49:31,730 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:49:31,741 INFO L420 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2019-10-03 00:49:31,741 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:49:31,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:49:31,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 00:49:31,744 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:49:31,744 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:49:31,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:49:31,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:49:31,745 INFO L87 Difference]: Start difference. First operand 56282 states and 73657 transitions. Second operand 2 states. [2019-10-03 00:49:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:49:31,746 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:49:31,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:49:31,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 178 [2019-10-03 00:49:31,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:49:31,746 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:49:31,746 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:49:31,747 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:49:31,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:49:31,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:49:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:49:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:49:31,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-03 00:49:31,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:49:31,748 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:49:31,748 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:49:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:49:31,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:49:31,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:49:31 BoogieIcfgContainer [2019-10-03 00:49:31,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:49:31,757 INFO L168 Benchmark]: Toolchain (without parser) took 37118.09 ms. Allocated memory was 133.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 79.7 MB in the beginning and 944.5 MB in the end (delta: -864.8 MB). Peak memory consumption was 487.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:49:31,757 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:49:31,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2727.68 ms. Allocated memory was 133.2 MB in the beginning and 263.2 MB in the end (delta: 130.0 MB). Free memory was 79.3 MB in the beginning and 113.7 MB in the end (delta: -34.5 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:49:31,762 INFO L168 Benchmark]: Boogie Preprocessor took 241.08 ms. Allocated memory is still 263.2 MB. Free memory was 111.7 MB in the beginning and 97.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-10-03 00:49:31,768 INFO L168 Benchmark]: RCFGBuilder took 3174.40 ms. Allocated memory was 263.2 MB in the beginning and 369.1 MB in the end (delta: 105.9 MB). Free memory was 97.2 MB in the beginning and 132.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2019-10-03 00:49:31,768 INFO L168 Benchmark]: TraceAbstraction took 30967.77 ms. Allocated memory was 369.1 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 132.7 MB in the beginning and 944.5 MB in the end (delta: -811.8 MB). Peak memory consumption was 304.9 MB. Max. memory is 7.1 GB. [2019-10-03 00:49:31,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2727.68 ms. Allocated memory was 133.2 MB in the beginning and 263.2 MB in the end (delta: 130.0 MB). Free memory was 79.3 MB in the beginning and 113.7 MB in the end (delta: -34.5 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 241.08 ms. Allocated memory is still 263.2 MB. Free memory was 111.7 MB in the beginning and 97.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3174.40 ms. Allocated memory was 263.2 MB in the beginning and 369.1 MB in the end (delta: 105.9 MB). Free memory was 97.2 MB in the beginning and 132.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30967.77 ms. Allocated memory was 369.1 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 132.7 MB in the beginning and 944.5 MB in the end (delta: -811.8 MB). Peak memory consumption was 304.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5292]: 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 121 procedures, 925 locations, 1 error locations. SAFE Result, 30.8s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14146 SDtfs, 11149 SDslu, 25151 SDs, 0 SdLazy, 6494 SolverSat, 981 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56282occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.231638418079096 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1969 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1726 NumberOfCodeBlocks, 1726 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1713 ConstructedInterpolants, 0 QuantifiedInterpolants, 348281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 321/352 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...