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-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:10:23,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:10:23,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:10:23,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:10:23,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:10:23,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:10:23,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:10:23,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:10:23,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:10:23,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:10:23,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:10:23,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:10:23,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:10:23,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:10:23,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:10:23,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:10:23,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:10:23,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:10:23,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:10:23,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:10:23,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:10:23,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:10:23,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:10:23,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:10:23,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:10:23,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:10:23,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:10:23,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:10:23,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:10:23,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:10:23,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:10:23,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:10:23,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:10:23,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:10:23,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:10:23,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:10:23,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:10:23,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:10:23,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:10:23,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:10:23,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:10:23,907 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 [2019-10-15 02:10:23,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:10:23,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:10:23,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:10:23,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:10:23,947 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:10:23,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:10:23,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:10:23,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:10:23,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:10:23,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:10:23,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:10:23,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:10:23,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:10:23,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:10:23,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:10:23,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:10:23,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:10:23,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:10:23,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:10:23,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:10:23,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:10:23,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:10:23,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:10:23,953 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 [2019-10-15 02:10:24,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:10:24,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:10:24,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:10:24,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:10:24,319 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:10:24,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-15 02:10:24,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dbca640/0a62ff48bdd2427bb7d900abf31d6791/FLAGa222397ec [2019-10-15 02:10:25,281 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:10:25,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-15 02:10:25,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dbca640/0a62ff48bdd2427bb7d900abf31d6791/FLAGa222397ec [2019-10-15 02:10:25,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dbca640/0a62ff48bdd2427bb7d900abf31d6791 [2019-10-15 02:10:25,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:10:25,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:10:25,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:25,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:10:25,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:10:25,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:25" (1/1) ... [2019-10-15 02:10:25,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663b110d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:25, skipping insertion in model container [2019-10-15 02:10:25,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:25" (1/1) ... [2019-10-15 02:10:25,793 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:10:25,926 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:10:27,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:27,713 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:10:28,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:28,684 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:10:28,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28 WrapperNode [2019-10-15 02:10:28,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:28,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:10:28,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:10:28,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:10:28,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (1/1) ... [2019-10-15 02:10:28,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:10:28,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:10:28,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:10:28,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:10:28,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (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 [2019-10-15 02:10:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:10:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:10:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:10:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:10:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:10:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 02:10:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 02:10:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 02:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-15 02:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-15 02:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-15 02:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 02:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-15 02:10:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 02:10:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-15 02:10:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:10:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:10:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-15 02:10:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-15 02:10:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-15 02:10:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 02:10:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-15 02:10:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-10-15 02:10:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-10-15 02:10:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-10-15 02:10:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-10-15 02:10:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-10-15 02:10:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-10-15 02:10:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-15 02:10:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-15 02:10:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:10:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 02:10:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 02:10:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:10:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:10:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-15 02:10:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 02:10:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:10:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:10:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:10:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:10:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:10:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:10:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:10:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 02:10:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:10:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-15 02:10:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:10:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:10:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 02:10:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-15 02:10:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:10:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 02:10:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 02:10:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-15 02:10:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-15 02:10:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 02:10:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-10-15 02:10:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-10-15 02:10:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-10-15 02:10:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-10-15 02:10:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-15 02:10:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:10:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:10:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:10:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:10:30,421 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:30,524 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-15 02:10:30,524 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-15 02:10:31,007 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-15 02:10:31,727 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:31,822 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-15 02:10:31,823 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-15 02:10:32,430 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:32,675 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-10-15 02:10:32,675 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-10-15 02:10:35,916 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:10:35,917 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-15 02:10:35,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:35 BoogieIcfgContainer [2019-10-15 02:10:35,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:10:35,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:10:35,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:10:35,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:10:35,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:10:25" (1/3) ... [2019-10-15 02:10:35,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dd54ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:35, skipping insertion in model container [2019-10-15 02:10:35,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:28" (2/3) ... [2019-10-15 02:10:35,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dd54ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:35, skipping insertion in model container [2019-10-15 02:10:35,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:35" (3/3) ... [2019-10-15 02:10:35,929 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-15 02:10:35,939 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:10:35,950 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:10:35,962 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:10:36,002 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:10:36,002 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:10:36,002 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:10:36,011 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:10:36,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:10:36,011 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:10:36,012 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:10:36,012 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:10:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2019-10-15 02:10:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 02:10:36,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:36,061 INFO L380 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] [2019-10-15 02:10:36,063 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:36,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1901896339, now seen corresponding path program 1 times [2019-10-15 02:10:36,078 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:36,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047324720] [2019-10-15 02:10:36,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:36,079 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:36,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:36,620 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047324720] [2019-10-15 02:10:36,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:36,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:36,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540196173] [2019-10-15 02:10:36,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:36,626 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:36,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:36,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:36,644 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 3 states. [2019-10-15 02:10:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:36,846 INFO L93 Difference]: Finished difference Result 1505 states and 2006 transitions. [2019-10-15 02:10:36,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:36,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-15 02:10:36,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:36,908 INFO L225 Difference]: With dead ends: 1505 [2019-10-15 02:10:36,908 INFO L226 Difference]: Without dead ends: 951 [2019-10-15 02:10:36,921 INFO L600 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 [2019-10-15 02:10:36,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2019-10-15 02:10:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 947. [2019-10-15 02:10:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-10-15 02:10:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1190 transitions. [2019-10-15 02:10:37,155 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1190 transitions. Word has length 25 [2019-10-15 02:10:37,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:37,156 INFO L462 AbstractCegarLoop]: Abstraction has 947 states and 1190 transitions. [2019-10-15 02:10:37,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1190 transitions. [2019-10-15 02:10:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-15 02:10:37,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:37,158 INFO L380 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] [2019-10-15 02:10:37,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:37,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:37,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1170315861, now seen corresponding path program 1 times [2019-10-15 02:10:37,159 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:37,159 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919761889] [2019-10-15 02:10:37,159 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,159 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:37,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919761889] [2019-10-15 02:10:37,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:37,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:37,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296695758] [2019-10-15 02:10:37,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:37,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:37,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:37,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:37,394 INFO L87 Difference]: Start difference. First operand 947 states and 1190 transitions. Second operand 3 states. [2019-10-15 02:10:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:37,458 INFO L93 Difference]: Finished difference Result 949 states and 1191 transitions. [2019-10-15 02:10:37,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:37,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-15 02:10:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:37,465 INFO L225 Difference]: With dead ends: 949 [2019-10-15 02:10:37,465 INFO L226 Difference]: Without dead ends: 937 [2019-10-15 02:10:37,467 INFO L600 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 [2019-10-15 02:10:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2019-10-15 02:10:37,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2019-10-15 02:10:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-10-15 02:10:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1174 transitions. [2019-10-15 02:10:37,521 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1174 transitions. Word has length 26 [2019-10-15 02:10:37,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:37,522 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1174 transitions. [2019-10-15 02:10:37,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1174 transitions. [2019-10-15 02:10:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 02:10:37,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:37,528 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:10:37,528 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:37,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1070183691, now seen corresponding path program 1 times [2019-10-15 02:10:37,529 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:37,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943319682] [2019-10-15 02:10:37,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:37,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943319682] [2019-10-15 02:10:37,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:37,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:37,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176327214] [2019-10-15 02:10:37,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:37,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:37,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:37,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:37,666 INFO L87 Difference]: Start difference. First operand 937 states and 1174 transitions. Second operand 3 states. [2019-10-15 02:10:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:37,752 INFO L93 Difference]: Finished difference Result 1925 states and 2455 transitions. [2019-10-15 02:10:37,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:37,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-15 02:10:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:37,759 INFO L225 Difference]: With dead ends: 1925 [2019-10-15 02:10:37,760 INFO L226 Difference]: Without dead ends: 1008 [2019-10-15 02:10:37,763 INFO L600 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 [2019-10-15 02:10:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-10-15 02:10:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-10-15 02:10:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-10-15 02:10:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1292 transitions. [2019-10-15 02:10:37,829 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1292 transitions. Word has length 68 [2019-10-15 02:10:37,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:37,830 INFO L462 AbstractCegarLoop]: Abstraction has 1006 states and 1292 transitions. [2019-10-15 02:10:37,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1292 transitions. [2019-10-15 02:10:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 02:10:37,837 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:37,837 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 02:10:37,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:37,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:37,838 INFO L82 PathProgramCache]: Analyzing trace with hash -406345789, now seen corresponding path program 1 times [2019-10-15 02:10:37,838 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:37,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947814730] [2019-10-15 02:10:37,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:37,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:38,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:38,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947814730] [2019-10-15 02:10:38,120 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:38,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:10:38,121 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82053912] [2019-10-15 02:10:38,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:10:38,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:38,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:10:38,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:10:38,122 INFO L87 Difference]: Start difference. First operand 1006 states and 1292 transitions. Second operand 5 states. [2019-10-15 02:10:38,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:38,428 INFO L93 Difference]: Finished difference Result 1930 states and 2470 transitions. [2019-10-15 02:10:38,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:10:38,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-10-15 02:10:38,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:38,437 INFO L225 Difference]: With dead ends: 1930 [2019-10-15 02:10:38,437 INFO L226 Difference]: Without dead ends: 938 [2019-10-15 02:10:38,442 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:10:38,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-15 02:10:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 927. [2019-10-15 02:10:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-15 02:10:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1179 transitions. [2019-10-15 02:10:38,492 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1179 transitions. Word has length 98 [2019-10-15 02:10:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:38,492 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1179 transitions. [2019-10-15 02:10:38,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:10:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1179 transitions. [2019-10-15 02:10:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-15 02:10:38,496 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:38,496 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-10-15 02:10:38,496 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:38,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1364534761, now seen corresponding path program 1 times [2019-10-15 02:10:38,497 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:38,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021095834] [2019-10-15 02:10:38,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:38,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:38,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-10-15 02:10:38,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021095834] [2019-10-15 02:10:38,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:38,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:10:38,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317399458] [2019-10-15 02:10:38,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:10:38,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:10:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:10:38,742 INFO L87 Difference]: Start difference. First operand 927 states and 1179 transitions. Second operand 7 states. [2019-10-15 02:10:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:41,061 INFO L93 Difference]: Finished difference Result 972 states and 1240 transitions. [2019-10-15 02:10:41,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 02:10:41,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-10-15 02:10:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:41,071 INFO L225 Difference]: With dead ends: 972 [2019-10-15 02:10:41,071 INFO L226 Difference]: Without dead ends: 929 [2019-10-15 02:10:41,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-15 02:10:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-10-15 02:10:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2019-10-15 02:10:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-15 02:10:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1178 transitions. [2019-10-15 02:10:41,132 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1178 transitions. Word has length 142 [2019-10-15 02:10:41,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:41,135 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1178 transitions. [2019-10-15 02:10:41,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:10:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1178 transitions. [2019-10-15 02:10:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-15 02:10:41,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:41,147 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-10-15 02:10:41,147 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:41,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:41,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1369458619, now seen corresponding path program 1 times [2019-10-15 02:10:41,148 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:41,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080622806] [2019-10-15 02:10:41,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:41,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:41,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-15 02:10:42,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080622806] [2019-10-15 02:10:42,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928431521] [2019-10-15 02:10:42,085 INFO L94 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 [2019-10-15 02:10:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:42,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 49 conjunts are in the unsatisfiable core [2019-10-15 02:10:42,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:10:42,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:42,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:42,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:42,999 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 02:10:42,999 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 02:10:43,009 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,047 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 02:10:43,048 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,056 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 02:10:43,056 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 02:10:43,075 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:61, output treesize:26 [2019-10-15 02:10:43,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,198 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2019-10-15 02:10:43,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 02:10:43,211 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,245 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,264 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2019-10-15 02:10:43,265 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,273 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 02:10:43,273 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,299 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,300 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 02:10:43,300 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-15 02:10:43,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,380 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 02:10:43,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,393 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2019-10-15 02:10:43,394 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 02:10:43,431 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,444 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2019-10-15 02:10:43,445 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,469 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 02:10:43,470 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-15 02:10:43,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,548 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2019-10-15 02:10:43,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,560 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2019-10-15 02:10:43,561 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-10-15 02:10:43,602 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 02:10:43,614 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2019-10-15 02:10:43,615 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,645 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 02:10:43,645 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-15 02:10:43,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,658 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2019-10-15 02:10:43,659 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,664 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2019-10-15 02:10:43,664 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,694 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-10-15 02:10:43,695 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,699 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2019-10-15 02:10:43,700 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 02:10:43,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 02:10:43,713 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-15 02:10:43,714 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:14 [2019-10-15 02:10:43,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 02:10:43,864 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:10:44,289 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-10-15 02:10:44,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:44,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:44,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,477 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 26 [2019-10-15 02:10:48,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,789 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-15 02:10:48,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:48,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:48,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,189 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-15 02:10:49,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:49,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,565 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-10-15 02:10:49,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:49,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 02:10:49,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:10:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-15 02:10:49,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1317774381] [2019-10-15 02:10:50,036 INFO L162 IcfgInterpreter]: Started Sifa with 105 locations of interest [2019-10-15 02:10:50,037 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 02:10:50,047 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 02:10:50,060 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 02:10:50,061 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs