java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:34:48,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:34:48,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:34:48,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:34:48,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:34:48,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:34:48,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:34:48,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:34:48,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:34:48,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:34:48,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:34:48,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:34:48,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:34:48,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:34:48,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:34:48,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:34:48,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:34:48,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:34:48,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:34:48,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:34:48,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:34:48,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:34:48,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:34:48,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:34:48,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:34:48,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:34:48,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:34:48,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:34:48,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:34:48,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:34:48,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:34:48,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:34:48,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:34:48,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:34:48,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:34:48,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:34:48,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:34:48,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:34:48,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:34:48,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:34:48,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:34:48,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:34:48,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:34:48,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:34:48,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:34:48,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:34:48,266 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:34:48,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:34:48,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:34:48,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:34:48,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:34:48,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:34:48,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:34:48,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:34:48,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:34:48,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:34:48,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:34:48,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:34:48,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:34:48,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:34:48,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:34:48,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:34:48,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:34:48,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:34:48,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:34:48,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:34:48,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:34:48,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:34:48,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:34:48,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:34:48,574 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:34:48,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2019-10-07 12:34:48,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5efe3c4a/a7f8fc75c55540f0887afa4166b88c6a/FLAG8960e94e5 [2019-10-07 12:34:49,532 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:34:49,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2019-10-07 12:34:49,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5efe3c4a/a7f8fc75c55540f0887afa4166b88c6a/FLAG8960e94e5 [2019-10-07 12:34:49,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5efe3c4a/a7f8fc75c55540f0887afa4166b88c6a [2019-10-07 12:34:49,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:34:49,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:34:49,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:34:49,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:34:49,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:34:49,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:34:49" (1/1) ... [2019-10-07 12:34:49,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cce3650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:49, skipping insertion in model container [2019-10-07 12:34:49,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:34:49" (1/1) ... [2019-10-07 12:34:49,961 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:34:50,138 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:34:53,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:34:53,098 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:34:53,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:34:54,267 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:34:54,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54 WrapperNode [2019-10-07 12:34:54,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:34:54,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:34:54,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:34:54,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:34:54,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (1/1) ... [2019-10-07 12:34:54,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:34:54,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:34:54,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:34:54,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:34:54,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (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 [2019-10-07 12:34:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:34:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:34:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 12:34:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-10-07 12:34:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:34:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 12:34:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~VOID [2019-10-07 12:34:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 12:34:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:34:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:34:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:34:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:34:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 12:34:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:34:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:34:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:34:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:34:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:34:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:34:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:34:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:34:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:34:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:34:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 12:34:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 12:34:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:34:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 12:34:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_open [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_close [2019-10-07 12:34:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_set_config [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_rx [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_emulate_arp [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure icmp6_checksum [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_emulate_ndp [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_tx_nic_type [2019-10-07 12:34:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_tx [2019-10-07 12:34:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_stats [2019-10-07 12:34:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_send [2019-10-07 12:34:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_rcv [2019-10-07 12:34:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_init [2019-10-07 12:34:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_exit [2019-10-07 12:34:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_index [2019-10-07 12:34:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_netif_rx [2019-10-07 12:34:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_multi_sdu_pkt [2019-10-07 12:34:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_pdn_table [2019-10-07 12:34:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_receive_pkt [2019-10-07 12:34:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2019-10-07 12:34:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure start_rx_proc [2019-10-07 12:34:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure form_mac_address [2019-10-07 12:34:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mac_address [2019-10-07 12:34:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure register_lte_device [2019-10-07 12:34:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_lte_device [2019-10-07 12:34:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-07 12:34:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-10-07 12:34:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-10-07 12:34:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-10-07 12:34:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-10-07 12:34:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-10-07 12:34:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-10-07 12:34:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-10-07 12:34:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-07 12:34:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-10-07 12:34:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-10-07 12:34:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-10-07 12:34:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-10-07 12:34:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-10-07 12:34:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-10-07 12:34:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-10-07 12:34:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-10-07 12:34:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_42 [2019-10-07 12:34:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_43 [2019-10-07 12:34:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-07 12:34:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_45 [2019-10-07 12:34:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:34:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-07 12:34:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-07 12:34:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_kernel_create [2019-10-07 12:34:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2019-10-07 12:34:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_msg_size [2019-10-07 12:34:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2019-10-07 12:34:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2019-10-07 12:34:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_rcv_cb [2019-10-07 12:34:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_rcv [2019-10-07 12:34:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_init [2019-10-07 12:34:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_exit [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_send [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_68 [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_69 [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_70 [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_71 [2019-10-07 12:34:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_72 [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_78 [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_84 [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_86 [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_88 [2019-10-07 12:34:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_89 [2019-10-07 12:34:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_90 [2019-10-07 12:34:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_91 [2019-10-07 12:34:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_92 [2019-10-07 12:34:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_93 [2019-10-07 12:34:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_94 [2019-10-07 12:34:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:34:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 12:34:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 12:34:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 12:34:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:34:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2019-10-07 12:34:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 12:34:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:34:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:34:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-07 12:34:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 12:34:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-07 12:34:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 12:34:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-07 12:34:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-07 12:34:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 12:34:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mac_address [2019-10-07 12:34:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tx_struct [2019-10-07 12:34:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tx_sdu_struct [2019-10-07 12:34:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_struct [2019-10-07 12:34:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_sdu_struct [2019-10-07 12:34:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_sdu_struct [2019-10-07 12:34:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tx_struct [2019-10-07 12:34:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rx_struct [2019-10-07 12:34:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_struct [2019-10-07 12:34:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rx_struct [2019-10-07 12:34:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rx_struct [2019-10-07 12:34:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure release_usb [2019-10-07 12:34:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb [2019-10-07 12:34:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_address [2019-10-07 12:34:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rx [2019-10-07 12:34:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_rx_submit_list [2019-10-07 12:34:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_rcv_complete [2019-10-07 12:34:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_recv [2019-10-07 12:34:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_send_complete [2019-10-07 12:34:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure send_tx_packet [2019-10-07 12:34:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_aggregation [2019-10-07 12:34:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx [2019-10-07 12:34:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_sdu_send [2019-10-07 12:34:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_hci_send [2019-10-07 12:34:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_get_endian [2019-10-07 12:34:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_probe [2019-10-07 12:34:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_disconnect [2019-10-07 12:34:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_suspend [2019-10-07 12:34:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_resume [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_lte_init [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_lte_exit [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-07 12:34:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2019-10-07 12:34:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-07 12:34:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-07 12:34:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-07 12:34:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-07 12:34:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:34:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_114 [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_115 [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_116 [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_117 [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_118 [2019-10-07 12:34:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:34:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_124 [2019-10-07 12:34:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_130 [2019-10-07 12:34:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_132 [2019-10-07 12:34:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_134 [2019-10-07 12:34:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_135 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_136 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_137 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_138 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_139 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_140 [2019-10-07 12:34:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_141 [2019-10-07 12:34:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_142 [2019-10-07 12:34:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_143 [2019-10-07 12:34:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_144 [2019-10-07 12:34:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_145 [2019-10-07 12:34:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_146 [2019-10-07 12:34:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_147 [2019-10-07 12:34:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_148 [2019-10-07 12:34:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_149 [2019-10-07 12:34:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_150 [2019-10-07 12:34:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_151 [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_set_endian [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_cpu_to_dev16 [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_dev16_to_cpu [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_cpu_to_dev32 [2019-10-07 12:34:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_dev32_to_cpu [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_177 [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_178 [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_179 [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_180 [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_181 [2019-10-07 12:34:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_187 [2019-10-07 12:34:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:34:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:34:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:34:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:34:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:34:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:34:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-07 12:34:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 12:34:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 12:34:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __netlink_kernel_create [2019-10-07 12:34:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __nlmsg_put [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 12:34:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_by_index [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-07 12:34:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 12:34:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:34:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:34:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-07 12:34:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-07 12:34:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 12:34:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 12:34:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 12:34:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2019-10-07 12:34:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:34:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_broadcast [2019-10-07 12:34:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_has_listeners [2019-10-07 12:34:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2019-10-07 12:34:54,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:34:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-07 12:34:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-07 12:34:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-07 12:34:54,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-07 12:34:54,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 12:34:54,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-10-07 12:34:54,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-07 12:34:54,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:34:54,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:34:54,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:34:54,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:34:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:34:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:34:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-10-07 12:34:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_42 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-07 12:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-07 12:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-07 12:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_45 [2019-10-07 12:34:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 12:34:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 12:34:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 12:34:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_43 [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:34:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_dev16_to_cpu [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_dev32_to_cpu [2019-10-07 12:34:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_init [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_exit [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure start_rx_proc [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure register_lte_device [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_lte_device [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_init [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_exit [2019-10-07 12:34:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_send [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_open [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_close [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_set_config [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_rx [2019-10-07 12:34:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_emulate_arp [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure icmp6_checksum [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_emulate_ndp [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_tx_nic_type [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_tx [2019-10-07 12:34:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 12:34:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_stats [2019-10-07 12:34:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_send [2019-10-07 12:34:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-10-07 12:34:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_rcv [2019-10-07 12:34:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:34:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_index [2019-10-07 12:34:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_netif_rx [2019-10-07 12:34:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_multi_sdu_pkt [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_pdn_table [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_receive_pkt [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure form_mac_address [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mac_address [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-07 12:34:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_68 [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_70 [2019-10-07 12:34:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_69 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_72 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_71 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_78 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_86 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_94 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_88 [2019-10-07 12:34:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_84 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_92 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_93 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_89 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_90 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_91 [2019-10-07 12:34:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure __netlink_kernel_create [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_kernel_create [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_has_listeners [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_broadcast [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure __nlmsg_put [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_by_index [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_msg_size [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2019-10-07 12:34:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_rcv_cb [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~VOID [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_rcv [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:34:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:34:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 12:34:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_149 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_151 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_114 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_116 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_115 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_118 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_117 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_148 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_150 [2019-10-07 12:34:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_124 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-07 12:34:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2019-10-07 12:34:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-07 12:34:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_146 [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_147 [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_141 [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_142 [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-07 12:34:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_143 [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_144 [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_145 [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_132 [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_140 [2019-10-07 12:34:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_134 [2019-10-07 12:34:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_130 [2019-10-07 12:34:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_138 [2019-10-07 12:34:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_139 [2019-10-07 12:34:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_135 [2019-10-07 12:34:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_136 [2019-10-07 12:34:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_137 [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_set_endian [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_cpu_to_dev16 [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_cpu_to_dev32 [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure do_rx [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_recv [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure request_mac_address [2019-10-07 12:34:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tx_sdu_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_sdu_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_sdu_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure put_tx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_rx_struct [2019-10-07 12:34:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure put_rx_struct [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure release_usb [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_address [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure remove_rx_submit_list [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_rcv_complete [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_send_complete [2019-10-07 12:34:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure send_tx_packet [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure packet_aggregation [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_sdu_send [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_hci_send [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_get_endian [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_probe [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_disconnect [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_suspend [2019-10-07 12:34:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_resume [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_lte_init [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_lte_exit [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_177 [2019-10-07 12:34:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_179 [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_178 [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_181 [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_180 [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_187 [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:34:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:34:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:34:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:34:56,299 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:35:11,611 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:35:11,612 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-07 12:35:11,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:35:11 BoogieIcfgContainer [2019-10-07 12:35:11,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:35:11,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:35:11,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:35:11,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:35:11,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:34:49" (1/3) ... [2019-10-07 12:35:11,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7728c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:35:11, skipping insertion in model container [2019-10-07 12:35:11,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:34:54" (2/3) ... [2019-10-07 12:35:11,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7728c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:35:11, skipping insertion in model container [2019-10-07 12:35:11,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:35:11" (3/3) ... [2019-10-07 12:35:11,636 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2019-10-07 12:35:11,652 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:35:11,675 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:35:11,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:35:11,750 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:35:11,750 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:35:11,750 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:35:11,750 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:35:11,751 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:35:11,751 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:35:11,751 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:35:11,752 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:35:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states. [2019-10-07 12:35:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 12:35:11,876 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:11,878 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:11,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:11,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:11,891 INFO L82 PathProgramCache]: Analyzing trace with hash 662962698, now seen corresponding path program 1 times [2019-10-07 12:35:11,905 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:11,905 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:11,906 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:11,906 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:35:13,092 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:13,093 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:13,094 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:13,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:13,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:13,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:13,117 INFO L87 Difference]: Start difference. First operand 1860 states. Second operand 3 states. [2019-10-07 12:35:13,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:13,596 INFO L93 Difference]: Finished difference Result 4673 states and 6406 transitions. [2019-10-07 12:35:13,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:13,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-07 12:35:13,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:13,659 INFO L225 Difference]: With dead ends: 4673 [2019-10-07 12:35:13,659 INFO L226 Difference]: Without dead ends: 2990 [2019-10-07 12:35:13,682 INFO L606 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 [2019-10-07 12:35:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2019-10-07 12:35:14,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2960. [2019-10-07 12:35:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-07 12:35:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3948 transitions. [2019-10-07 12:35:14,068 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3948 transitions. Word has length 55 [2019-10-07 12:35:14,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:14,069 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3948 transitions. [2019-10-07 12:35:14,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3948 transitions. [2019-10-07 12:35:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 12:35:14,081 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:14,081 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:14,081 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:14,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:14,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1068542848, now seen corresponding path program 1 times [2019-10-07 12:35:14,082 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:14,082 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:14,082 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:14,083 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:14,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 12:35:14,569 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:14,569 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:14,570 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:14,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:14,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:14,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:14,572 INFO L87 Difference]: Start difference. First operand 2960 states and 3948 transitions. Second operand 3 states. [2019-10-07 12:35:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:14,910 INFO L93 Difference]: Finished difference Result 8793 states and 11816 transitions. [2019-10-07 12:35:14,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:14,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-07 12:35:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:14,974 INFO L225 Difference]: With dead ends: 8793 [2019-10-07 12:35:14,975 INFO L226 Difference]: Without dead ends: 5857 [2019-10-07 12:35:14,990 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2019-10-07 12:35:15,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5825. [2019-10-07 12:35:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5825 states. [2019-10-07 12:35:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5825 states to 5825 states and 7835 transitions. [2019-10-07 12:35:15,353 INFO L78 Accepts]: Start accepts. Automaton has 5825 states and 7835 transitions. Word has length 75 [2019-10-07 12:35:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:15,354 INFO L462 AbstractCegarLoop]: Abstraction has 5825 states and 7835 transitions. [2019-10-07 12:35:15,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 5825 states and 7835 transitions. [2019-10-07 12:35:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 12:35:15,486 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:15,486 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:15,486 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:15,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:15,487 INFO L82 PathProgramCache]: Analyzing trace with hash 356829513, now seen corresponding path program 1 times [2019-10-07 12:35:15,487 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:15,487 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:15,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:15,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 12:35:15,861 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:15,861 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:15,861 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:35:15,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:35:15,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:35:15,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:35:15,862 INFO L87 Difference]: Start difference. First operand 5825 states and 7835 transitions. Second operand 5 states. [2019-10-07 12:35:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:19,755 INFO L93 Difference]: Finished difference Result 11656 states and 15704 transitions. [2019-10-07 12:35:19,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:35:19,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-07 12:35:19,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:19,792 INFO L225 Difference]: With dead ends: 11656 [2019-10-07 12:35:19,793 INFO L226 Difference]: Without dead ends: 5855 [2019-10-07 12:35:19,813 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:35:19,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2019-10-07 12:35:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 5819. [2019-10-07 12:35:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5819 states. [2019-10-07 12:35:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5819 states to 5819 states and 7820 transitions. [2019-10-07 12:35:20,121 INFO L78 Accepts]: Start accepts. Automaton has 5819 states and 7820 transitions. Word has length 77 [2019-10-07 12:35:20,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:20,121 INFO L462 AbstractCegarLoop]: Abstraction has 5819 states and 7820 transitions. [2019-10-07 12:35:20,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:35:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5819 states and 7820 transitions. [2019-10-07 12:35:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 12:35:20,124 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:20,125 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:20,125 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:20,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:20,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2076869114, now seen corresponding path program 1 times [2019-10-07 12:35:20,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:20,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:20,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:20,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 12:35:20,537 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:20,537 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:20,537 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:20,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:20,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:20,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:20,538 INFO L87 Difference]: Start difference. First operand 5819 states and 7820 transitions. Second operand 3 states. [2019-10-07 12:35:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:20,895 INFO L93 Difference]: Finished difference Result 11640 states and 15670 transitions. [2019-10-07 12:35:20,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:20,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-07 12:35:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:20,939 INFO L225 Difference]: With dead ends: 11640 [2019-10-07 12:35:20,940 INFO L226 Difference]: Without dead ends: 5845 [2019-10-07 12:35:20,961 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5845 states. [2019-10-07 12:35:21,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5813. [2019-10-07 12:35:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5813 states. [2019-10-07 12:35:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 7805 transitions. [2019-10-07 12:35:21,235 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 7805 transitions. Word has length 76 [2019-10-07 12:35:21,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:21,236 INFO L462 AbstractCegarLoop]: Abstraction has 5813 states and 7805 transitions. [2019-10-07 12:35:21,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 7805 transitions. [2019-10-07 12:35:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 12:35:21,238 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:21,239 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:21,239 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:21,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1868353181, now seen corresponding path program 1 times [2019-10-07 12:35:21,240 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:21,240 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:21,240 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:21,240 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 12:35:21,466 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:21,466 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:21,466 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:35:21,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:35:21,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:35:21,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:35:21,467 INFO L87 Difference]: Start difference. First operand 5813 states and 7805 transitions. Second operand 5 states. [2019-10-07 12:35:24,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:24,166 INFO L93 Difference]: Finished difference Result 11025 states and 14775 transitions. [2019-10-07 12:35:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:35:24,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-07 12:35:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:24,205 INFO L225 Difference]: With dead ends: 11025 [2019-10-07 12:35:24,206 INFO L226 Difference]: Without dead ends: 5168 [2019-10-07 12:35:24,226 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:35:24,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2019-10-07 12:35:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5140. [2019-10-07 12:35:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5140 states. [2019-10-07 12:35:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 6851 transitions. [2019-10-07 12:35:24,433 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 6851 transitions. Word has length 78 [2019-10-07 12:35:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:24,434 INFO L462 AbstractCegarLoop]: Abstraction has 5140 states and 6851 transitions. [2019-10-07 12:35:24,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:35:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 6851 transitions. [2019-10-07 12:35:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-07 12:35:24,443 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:24,443 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 12:35:24,444 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:24,444 INFO L82 PathProgramCache]: Analyzing trace with hash 968969192, now seen corresponding path program 1 times [2019-10-07 12:35:24,444 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:24,445 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:24,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:24,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 12:35:24,790 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:24,790 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:24,790 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:24,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:24,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:24,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:24,792 INFO L87 Difference]: Start difference. First operand 5140 states and 6851 transitions. Second operand 3 states. [2019-10-07 12:35:24,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:24,914 INFO L93 Difference]: Finished difference Result 5245 states and 6971 transitions. [2019-10-07 12:35:24,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:24,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-10-07 12:35:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:24,958 INFO L225 Difference]: With dead ends: 5245 [2019-10-07 12:35:24,958 INFO L226 Difference]: Without dead ends: 5242 [2019-10-07 12:35:24,962 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2019-10-07 12:35:25,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5242. [2019-10-07 12:35:25,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5242 states. [2019-10-07 12:35:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 6965 transitions. [2019-10-07 12:35:25,298 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 6965 transitions. Word has length 98 [2019-10-07 12:35:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:25,299 INFO L462 AbstractCegarLoop]: Abstraction has 5242 states and 6965 transitions. [2019-10-07 12:35:25,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 6965 transitions. [2019-10-07 12:35:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-07 12:35:25,322 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:25,323 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:25,323 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:25,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:25,323 INFO L82 PathProgramCache]: Analyzing trace with hash 356750762, now seen corresponding path program 1 times [2019-10-07 12:35:25,324 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:25,324 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:25,324 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:25,324 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:25,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 12:35:25,646 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:25,646 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:25,646 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:25,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:25,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:25,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:25,649 INFO L87 Difference]: Start difference. First operand 5242 states and 6965 transitions. Second operand 3 states. [2019-10-07 12:35:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:26,427 INFO L93 Difference]: Finished difference Result 12869 states and 17114 transitions. [2019-10-07 12:35:26,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:26,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-10-07 12:35:26,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:26,468 INFO L225 Difference]: With dead ends: 12869 [2019-10-07 12:35:26,468 INFO L226 Difference]: Without dead ends: 7651 [2019-10-07 12:35:26,487 INFO L606 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 [2019-10-07 12:35:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7651 states. [2019-10-07 12:35:26,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7651 to 7615. [2019-10-07 12:35:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7615 states. [2019-10-07 12:35:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 10121 transitions. [2019-10-07 12:35:26,822 INFO L78 Accepts]: Start accepts. Automaton has 7615 states and 10121 transitions. Word has length 198 [2019-10-07 12:35:26,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:26,823 INFO L462 AbstractCegarLoop]: Abstraction has 7615 states and 10121 transitions. [2019-10-07 12:35:26,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7615 states and 10121 transitions. [2019-10-07 12:35:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-07 12:35:26,843 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:26,844 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:26,844 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:26,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:26,844 INFO L82 PathProgramCache]: Analyzing trace with hash 2098963894, now seen corresponding path program 1 times [2019-10-07 12:35:26,845 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:26,845 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:26,845 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:26,845 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:26,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 12:35:27,324 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:27,324 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:35:27,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:35:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:28,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 3636 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 12:35:28,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:35:28,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:35:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 12:35:28,745 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:35:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-07 12:35:29,099 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:35:29,099 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [7] total 9 [2019-10-07 12:35:29,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 12:35:29,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 12:35:29,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:35:29,101 INFO L87 Difference]: Start difference. First operand 7615 states and 10121 transitions. Second operand 6 states. [2019-10-07 12:35:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:41,944 INFO L93 Difference]: Finished difference Result 19974 states and 26560 transitions. [2019-10-07 12:35:41,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 12:35:41,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-10-07 12:35:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:42,018 INFO L225 Difference]: With dead ends: 19974 [2019-10-07 12:35:42,018 INFO L226 Difference]: Without dead ends: 12383 [2019-10-07 12:35:42,059 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:35:42,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12383 states. [2019-10-07 12:35:42,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12383 to 12309. [2019-10-07 12:35:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12309 states. [2019-10-07 12:35:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12309 states to 12309 states and 16363 transitions. [2019-10-07 12:35:42,637 INFO L78 Accepts]: Start accepts. Automaton has 12309 states and 16363 transitions. Word has length 218 [2019-10-07 12:35:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:42,643 INFO L462 AbstractCegarLoop]: Abstraction has 12309 states and 16363 transitions. [2019-10-07 12:35:42,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 12:35:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12309 states and 16363 transitions. [2019-10-07 12:35:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-07 12:35:42,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:42,684 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:42,897 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:35:42,898 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:42,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1276657294, now seen corresponding path program 1 times [2019-10-07 12:35:42,901 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:42,901 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:42,901 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:42,901 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-07 12:35:43,231 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:43,232 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:35:43,232 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:35:43,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:35:43,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:35:43,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:35:43,233 INFO L87 Difference]: Start difference. First operand 12309 states and 16363 transitions. Second operand 3 states. [2019-10-07 12:35:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:35:44,183 INFO L93 Difference]: Finished difference Result 33303 states and 44333 transitions. [2019-10-07 12:35:44,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:35:44,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2019-10-07 12:35:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:35:44,322 INFO L225 Difference]: With dead ends: 33303 [2019-10-07 12:35:44,322 INFO L226 Difference]: Without dead ends: 21018 [2019-10-07 12:35:44,406 INFO L606 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 [2019-10-07 12:35:44,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21018 states. [2019-10-07 12:35:45,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21018 to 20885. [2019-10-07 12:35:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20885 states. [2019-10-07 12:35:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20885 states to 20885 states and 27834 transitions. [2019-10-07 12:35:45,249 INFO L78 Accepts]: Start accepts. Automaton has 20885 states and 27834 transitions. Word has length 262 [2019-10-07 12:35:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:35:45,250 INFO L462 AbstractCegarLoop]: Abstraction has 20885 states and 27834 transitions. [2019-10-07 12:35:45,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:35:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20885 states and 27834 transitions. [2019-10-07 12:35:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-10-07 12:35:45,278 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:35:45,278 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:35:45,279 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:35:45,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:35:45,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1091146262, now seen corresponding path program 1 times [2019-10-07 12:35:45,279 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:35:45,280 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:45,280 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:45,280 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:35:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:35:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-07 12:35:46,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:35:46,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:35:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:35:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:35:48,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 3807 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 12:35:48,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:35:48,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:35:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-10-07 12:35:48,377 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:35:48,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:35:48,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:35:48,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:35:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 12:35:48,761 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:35:48,762 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 11 [2019-10-07 12:35:48,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:35:48,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:35:48,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:35:48,764 INFO L87 Difference]: Start difference. First operand 20885 states and 27834 transitions. Second operand 8 states. [2019-10-07 12:36:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:00,306 INFO L93 Difference]: Finished difference Result 53422 states and 71201 transitions. [2019-10-07 12:36:00,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:36:00,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2019-10-07 12:36:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:00,444 INFO L225 Difference]: With dead ends: 53422 [2019-10-07 12:36:00,444 INFO L226 Difference]: Without dead ends: 32567 [2019-10-07 12:36:00,497 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:36:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32567 states. [2019-10-07 12:36:01,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32567 to 28573. [2019-10-07 12:36:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28573 states. [2019-10-07 12:36:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28573 states to 28573 states and 38086 transitions. [2019-10-07 12:36:01,586 INFO L78 Accepts]: Start accepts. Automaton has 28573 states and 38086 transitions. Word has length 255 [2019-10-07 12:36:01,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:01,587 INFO L462 AbstractCegarLoop]: Abstraction has 28573 states and 38086 transitions. [2019-10-07 12:36:01,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:36:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28573 states and 38086 transitions. [2019-10-07 12:36:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-10-07 12:36:01,632 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:01,632 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:01,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:36:01,846 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1784308544, now seen corresponding path program 1 times [2019-10-07 12:36:01,846 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:01,847 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:01,847 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:01,847 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-07 12:36:02,925 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:02,925 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:36:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:36:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:04,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:36:04,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:36:04,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:36:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-07 12:36:04,347 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:36:04,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:36:04,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:36:04,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:36:04,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:36:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 12:36:04,841 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:36:04,842 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [12] total 20 [2019-10-07 12:36:04,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 12:36:04,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 12:36:04,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2019-10-07 12:36:04,844 INFO L87 Difference]: Start difference. First operand 28573 states and 38086 transitions. Second operand 10 states. [2019-10-07 12:36:26,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:26,558 INFO L93 Difference]: Finished difference Result 64977 states and 86584 transitions. [2019-10-07 12:36:26,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:36:26,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 273 [2019-10-07 12:36:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:26,729 INFO L225 Difference]: With dead ends: 64977 [2019-10-07 12:36:26,729 INFO L226 Difference]: Without dead ends: 36434 [2019-10-07 12:36:26,802 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 546 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2019-10-07 12:36:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36434 states. [2019-10-07 12:36:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36434 to 28576. [2019-10-07 12:36:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28576 states. [2019-10-07 12:36:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28576 states to 28576 states and 38089 transitions. [2019-10-07 12:36:28,318 INFO L78 Accepts]: Start accepts. Automaton has 28576 states and 38089 transitions. Word has length 273 [2019-10-07 12:36:28,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:28,321 INFO L462 AbstractCegarLoop]: Abstraction has 28576 states and 38089 transitions. [2019-10-07 12:36:28,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 12:36:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 28576 states and 38089 transitions. [2019-10-07 12:36:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2019-10-07 12:36:28,382 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:28,383 INFO L385 BasicCegarLoop]: trace histogram [8, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:28,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:36:28,602 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -707204291, now seen corresponding path program 1 times [2019-10-07 12:36:28,603 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:28,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:28,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:28,604 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-10-07 12:36:30,560 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:30,560 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:36:30,560 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:36:30,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:36:30,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:36:30,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:36:30,562 INFO L87 Difference]: Start difference. First operand 28576 states and 38089 transitions. Second operand 3 states. [2019-10-07 12:36:31,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:31,256 INFO L93 Difference]: Finished difference Result 57183 states and 76256 transitions. [2019-10-07 12:36:31,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:36:31,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 411 [2019-10-07 12:36:31,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:31,413 INFO L225 Difference]: With dead ends: 57183 [2019-10-07 12:36:31,413 INFO L226 Difference]: Without dead ends: 28640 [2019-10-07 12:36:31,495 INFO L606 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 [2019-10-07 12:36:31,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28640 states. [2019-10-07 12:36:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28640 to 28584. [2019-10-07 12:36:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28584 states. [2019-10-07 12:36:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28584 states to 28584 states and 38097 transitions. [2019-10-07 12:36:32,836 INFO L78 Accepts]: Start accepts. Automaton has 28584 states and 38097 transitions. Word has length 411 [2019-10-07 12:36:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:32,837 INFO L462 AbstractCegarLoop]: Abstraction has 28584 states and 38097 transitions. [2019-10-07 12:36:32,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:36:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 28584 states and 38097 transitions. [2019-10-07 12:36:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-07 12:36:32,881 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:32,881 INFO L385 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:32,881 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:32,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:32,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2045297659, now seen corresponding path program 1 times [2019-10-07 12:36:32,882 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:32,882 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:32,882 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:32,883 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-10-07 12:36:33,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:33,570 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:36:33,570 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:36:33,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:36:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:36:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:36:33,574 INFO L87 Difference]: Start difference. First operand 28584 states and 38097 transitions. Second operand 3 states. [2019-10-07 12:36:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:34,226 INFO L93 Difference]: Finished difference Result 57147 states and 76188 transitions. [2019-10-07 12:36:34,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:36:34,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 484 [2019-10-07 12:36:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:34,360 INFO L225 Difference]: With dead ends: 57147 [2019-10-07 12:36:34,360 INFO L226 Difference]: Without dead ends: 28596 [2019-10-07 12:36:34,440 INFO L606 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 [2019-10-07 12:36:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28596 states. [2019-10-07 12:36:35,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28596 to 28588. [2019-10-07 12:36:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28588 states. [2019-10-07 12:36:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28588 states to 28588 states and 38101 transitions. [2019-10-07 12:36:35,428 INFO L78 Accepts]: Start accepts. Automaton has 28588 states and 38101 transitions. Word has length 484 [2019-10-07 12:36:35,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:35,430 INFO L462 AbstractCegarLoop]: Abstraction has 28588 states and 38101 transitions. [2019-10-07 12:36:35,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:36:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 28588 states and 38101 transitions. [2019-10-07 12:36:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-10-07 12:36:35,463 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:35,463 INFO L385 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:35,464 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:35,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash 571081976, now seen corresponding path program 1 times [2019-10-07 12:36:35,464 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:35,465 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:35,465 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:35,465 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:36,390 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-10-07 12:36:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2019-10-07 12:36:36,760 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:36,760 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:36:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:36:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:38,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 5254 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 12:36:38,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:36:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2019-10-07 12:36:38,563 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:36:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-10-07 12:36:39,598 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:36:39,598 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [12] total 20 [2019-10-07 12:36:39,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 12:36:39,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 12:36:39,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2019-10-07 12:36:39,601 INFO L87 Difference]: Start difference. First operand 28588 states and 38101 transitions. Second operand 10 states. [2019-10-07 12:36:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:41,737 INFO L93 Difference]: Finished difference Result 57187 states and 76232 transitions. [2019-10-07 12:36:41,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:36:41,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 497 [2019-10-07 12:36:41,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:41,855 INFO L225 Difference]: With dead ends: 57187 [2019-10-07 12:36:41,855 INFO L226 Difference]: Without dead ends: 28632 [2019-10-07 12:36:41,940 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 994 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2019-10-07 12:36:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28632 states. [2019-10-07 12:36:42,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28632 to 28604. [2019-10-07 12:36:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28604 states. [2019-10-07 12:36:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28604 states to 28604 states and 38117 transitions. [2019-10-07 12:36:42,822 INFO L78 Accepts]: Start accepts. Automaton has 28604 states and 38117 transitions. Word has length 497 [2019-10-07 12:36:42,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:42,822 INFO L462 AbstractCegarLoop]: Abstraction has 28604 states and 38117 transitions. [2019-10-07 12:36:42,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 12:36:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28604 states and 38117 transitions. [2019-10-07 12:36:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-10-07 12:36:42,841 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:42,842 INFO L385 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:43,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:36:43,057 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash -50942448, now seen corresponding path program 1 times [2019-10-07 12:36:43,058 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:43,058 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:43,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:43,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:43,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2019-10-07 12:36:43,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:43,479 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:36:43,479 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:36:43,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:36:43,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:36:43,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:36:43,481 INFO L87 Difference]: Start difference. First operand 28604 states and 38117 transitions. Second operand 3 states. [2019-10-07 12:36:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:36:44,717 INFO L93 Difference]: Finished difference Result 57287 states and 77220 transitions. [2019-10-07 12:36:44,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:36:44,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2019-10-07 12:36:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:36:44,845 INFO L225 Difference]: With dead ends: 57287 [2019-10-07 12:36:44,845 INFO L226 Difference]: Without dead ends: 28716 [2019-10-07 12:36:44,924 INFO L606 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 [2019-10-07 12:36:44,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28716 states. [2019-10-07 12:36:45,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28716 to 28632. [2019-10-07 12:36:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28632 states. [2019-10-07 12:36:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28632 states to 28632 states and 38145 transitions. [2019-10-07 12:36:45,810 INFO L78 Accepts]: Start accepts. Automaton has 28632 states and 38145 transitions. Word has length 473 [2019-10-07 12:36:45,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:36:45,811 INFO L462 AbstractCegarLoop]: Abstraction has 28632 states and 38145 transitions. [2019-10-07 12:36:45,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:36:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 28632 states and 38145 transitions. [2019-10-07 12:36:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-10-07 12:36:45,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:36:45,839 INFO L385 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:36:45,839 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:36:45,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:36:45,840 INFO L82 PathProgramCache]: Analyzing trace with hash 86908486, now seen corresponding path program 1 times [2019-10-07 12:36:45,840 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:36:45,841 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:45,841 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:45,841 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:36:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:36:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:36:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-10-07 12:36:46,362 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:36:46,363 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:36:46,363 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:36:46,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:36:46,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:36:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:36:46,365 INFO L87 Difference]: Start difference. First operand 28632 states and 38145 transitions. Second operand 5 states. [2019-10-07 12:37:03,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:37:03,998 INFO L93 Difference]: Finished difference Result 73342 states and 97756 transitions. [2019-10-07 12:37:03,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:37:03,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 473 [2019-10-07 12:37:03,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:37:04,160 INFO L225 Difference]: With dead ends: 73342 [2019-10-07 12:37:04,160 INFO L226 Difference]: Without dead ends: 44743 [2019-10-07 12:37:04,218 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 12:37:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44743 states. [2019-10-07 12:37:07,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44743 to 44543. [2019-10-07 12:37:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44543 states. [2019-10-07 12:37:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44543 states to 44543 states and 59177 transitions. [2019-10-07 12:37:07,296 INFO L78 Accepts]: Start accepts. Automaton has 44543 states and 59177 transitions. Word has length 473 [2019-10-07 12:37:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:37:07,297 INFO L462 AbstractCegarLoop]: Abstraction has 44543 states and 59177 transitions. [2019-10-07 12:37:07,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:37:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 44543 states and 59177 transitions. [2019-10-07 12:37:07,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-10-07 12:37:07,326 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:37:07,327 INFO L385 BasicCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:37:07,327 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:37:07,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:37:07,328 INFO L82 PathProgramCache]: Analyzing trace with hash 410440959, now seen corresponding path program 1 times [2019-10-07 12:37:07,328 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:37:07,328 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:07,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:07,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:37:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:37:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2019-10-07 12:37:07,753 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:07,753 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:37:07,753 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:37:07,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:37:07,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:37:07,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:37:07,756 INFO L87 Difference]: Start difference. First operand 44543 states and 59177 transitions. Second operand 3 states. [2019-10-07 12:37:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:37:08,765 INFO L93 Difference]: Finished difference Result 89113 states and 118440 transitions. [2019-10-07 12:37:08,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:37:08,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 479 [2019-10-07 12:37:08,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:37:08,915 INFO L225 Difference]: With dead ends: 89113 [2019-10-07 12:37:08,915 INFO L226 Difference]: Without dead ends: 44603 [2019-10-07 12:37:09,013 INFO L606 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 [2019-10-07 12:37:09,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44603 states. [2019-10-07 12:37:10,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44603 to 44549. [2019-10-07 12:37:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44549 states. [2019-10-07 12:37:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44549 states to 44549 states and 59183 transitions. [2019-10-07 12:37:10,746 INFO L78 Accepts]: Start accepts. Automaton has 44549 states and 59183 transitions. Word has length 479 [2019-10-07 12:37:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:37:10,747 INFO L462 AbstractCegarLoop]: Abstraction has 44549 states and 59183 transitions. [2019-10-07 12:37:10,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:37:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 44549 states and 59183 transitions. [2019-10-07 12:37:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-07 12:37:10,771 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:37:10,771 INFO L385 BasicCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:37:10,771 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:37:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:37:10,772 INFO L82 PathProgramCache]: Analyzing trace with hash 918065396, now seen corresponding path program 1 times [2019-10-07 12:37:10,772 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:37:10,772 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:10,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:10,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:37:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:37:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2019-10-07 12:37:11,479 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:11,485 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:37:11,485 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:37:11,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:37:11,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:37:11,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:37:11,487 INFO L87 Difference]: Start difference. First operand 44549 states and 59183 transitions. Second operand 5 states. [2019-10-07 12:37:12,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:37:12,725 INFO L93 Difference]: Finished difference Result 89131 states and 118446 transitions. [2019-10-07 12:37:12,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 12:37:12,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 484 [2019-10-07 12:37:12,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:37:12,863 INFO L225 Difference]: With dead ends: 89131 [2019-10-07 12:37:12,863 INFO L226 Difference]: Without dead ends: 44615 [2019-10-07 12:37:12,955 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 12:37:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44615 states. [2019-10-07 12:37:16,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44615 to 44573. [2019-10-07 12:37:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44573 states. [2019-10-07 12:37:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44573 states to 44573 states and 59207 transitions. [2019-10-07 12:37:16,597 INFO L78 Accepts]: Start accepts. Automaton has 44573 states and 59207 transitions. Word has length 484 [2019-10-07 12:37:16,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:37:16,599 INFO L462 AbstractCegarLoop]: Abstraction has 44573 states and 59207 transitions. [2019-10-07 12:37:16,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:37:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 44573 states and 59207 transitions. [2019-10-07 12:37:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-10-07 12:37:16,636 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:37:16,637 INFO L385 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:37:16,637 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:37:16,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:37:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash 923455651, now seen corresponding path program 1 times [2019-10-07 12:37:16,638 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:37:16,638 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:16,638 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:16,638 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:37:16,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:37:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:37:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-10-07 12:37:17,488 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:37:17,488 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:37:17,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:37:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:37:19,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 5333 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 12:37:19,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:37:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-10-07 12:37:19,233 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:37:19,537 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 12:37:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-10-07 12:37:20,234 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:37:20,273 INFO L162 IcfgInterpreter]: Started Sifa with 352 locations of interest [2019-10-07 12:37:20,273 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:37:20,282 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:37:20,290 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:37:20,291 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:37:23,583 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 1900 [2019-10-07 12:37:25,504 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1901 [2019-10-07 12:37:27,450 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1902 [2019-10-07 12:37:29,658 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1903 [2019-10-07 12:37:31,528 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1904 [2019-10-07 12:37:33,265 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:37:35,114 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1906 [2019-10-07 12:37:37,724 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 1907 [2019-10-07 12:37:39,665 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1908 [2019-10-07 12:37:41,616 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1909 [2019-10-07 12:37:43,437 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1910 [2019-10-07 12:37:48,643 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#lte_event~0.base| |~#wwan_type~0.base|) [2019-10-07 12:37:52,213 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |~#lte_event~0.base|) [2019-10-07 12:37:54,230 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string274.base| |~#lte_event~0.base|) [2019-10-07 12:38:01,617 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string363.base| |~#lte_event~0.base|) [2019-10-07 12:38:03,633 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string382.base| |~#lte_event~0.base|) [2019-10-07 12:38:08,991 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#gdm_netdev_ops~0.base| |~#lte_event~0.base|) [2019-10-07 12:38:18,288 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string497.base| |~#lte_event~0.base|) [2019-10-07 12:38:37,127 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string693.base| |~#lte_event~0.base|) [2019-10-07 12:38:39,165 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string728.base| |~#lte_event~0.base|) [2019-10-07 12:38:57,778 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string869.base| |~#lte_event~0.base|) [2019-10-07 12:39:01,915 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string884.base| |~#lte_event~0.base|) [2019-10-07 12:39:08,020 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string891.base| |~#lte_event~0.base|) [2019-10-07 12:39:12,863 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string895.base| |~#lte_event~0.base|) [2019-10-07 12:39:17,743 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:20,991 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:23,015 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string274.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:33,635 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string385.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:35,654 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#gdm_netdev_ops~0.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:46,694 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string497.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:39:55,155 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string667.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:01,265 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string679.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:11,862 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string753.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:34,565 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#gdm_usb_lte_driver~0.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:42,290 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string891.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:46,388 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string895.base| (select (select |#memory_$Pointer$.base| |~#wwan_type~0.base|) |~#wwan_type~0.offset|)) [2019-10-07 12:40:51,315 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |~#wwan_type~0.base|) [2019-10-07 12:40:53,334 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |~#wwan_type~0.base|) [2019-10-07 12:41:07,369 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#gdm_lte_macaddr~0.base| |~#wwan_type~0.base|) [2019-10-07 12:41:15,115 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string497.base| |~#wwan_type~0.base|) [2019-10-07 12:41:44,103 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string815.base| |~#wwan_type~0.base|) [2019-10-07 12:41:58,444 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string884.base| |~#wwan_type~0.base|) [2019-10-07 12:42:11,265 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string206.base|) [2019-10-07 12:42:13,769 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| |#t~string285.base|) [2019-10-07 12:42:23,307 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| |#t~string385.base|) [2019-10-07 12:42:56,007 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string748.base| |#t~string206.base|) [2019-10-07 12:43:06,599 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string822.base| |#t~string206.base|) [2019-10-07 12:43:12,642 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| |#t~string850.base|) [2019-10-07 12:43:21,366 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| |#t~string884.base|) [2019-10-07 12:43:23,406 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string206.base| |#t~string887.base|) [2019-10-07 12:43:37,339 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |#t~string274.base|) [2019-10-07 12:43:48,083 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string385.base| |#t~string217.base|) [2019-10-07 12:43:50,106 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |~#gdm_netdev_ops~0.base|) [2019-10-07 12:43:54,040 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string412.base| |#t~string217.base|) [2019-10-07 12:44:00,301 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |#t~string497.base|) [2019-10-07 12:44:08,654 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string667.base| |#t~string217.base|) [2019-10-07 12:44:46,207 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |#t~string891.base|) [2019-10-07 12:44:50,619 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string217.base| |#t~string895.base|) [2019-10-07 12:44:54,843 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string285.base|) [2019-10-07 12:45:03,104 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string385.base|) [2019-10-07 12:45:05,125 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |~#gdm_netdev_ops~0.base|) [2019-10-07 12:45:08,156 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string412.base|) [2019-10-07 12:45:22,661 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string667.base|) [2019-10-07 12:45:47,802 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string838.base|) [2019-10-07 12:46:01,921 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string891.base|) [2019-10-07 12:46:06,302 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string242.base| |#t~string895.base|) [2019-10-07 12:46:11,049 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string330.base| |#t~string274.base|) [2019-10-07 12:46:13,668 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string336.base| |#t~string274.base|) [2019-10-07 12:46:37,722 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string667.base| |#t~string274.base|) [2019-10-07 12:46:44,989 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string682.base| |#t~string274.base|) [2019-10-07 12:46:47,032 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string683.base| |#t~string274.base|) [2019-10-07 12:46:51,760 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string747.base| |#t~string274.base|) [2019-10-07 12:47:21,691 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string332.base| |#t~string285.base|) [2019-10-07 12:47:37,576 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#netlink_mutex~0.base| |#t~string285.base|) [2019-10-07 12:47:41,388 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string285.base| |#t~string499.base|) [2019-10-07 12:47:46,829 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string522.base| |#t~string285.base|) [2019-10-07 12:48:08,170 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string748.base| |#t~string285.base|) [2019-10-07 12:48:12,867 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string765.base| |#t~string285.base|)