/usr/bin/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-fb55353 [2019-11-07 02:29:05,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:29:05,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:29:05,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:29:05,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:29:05,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:29:05,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:29:05,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:29:05,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:29:05,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:29:05,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:29:05,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:29:05,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:29:05,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:29:05,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:29:05,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:29:05,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:29:05,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:29:05,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:29:05,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:29:05,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:29:05,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:29:05,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:29:05,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:29:05,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:29:05,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:29:05,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:29:05,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:29:05,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:29:05,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:29:05,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:29:05,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:29:05,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:29:05,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:29:05,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:29:05,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:29:05,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:29:05,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:29:05,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:29:05,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:29:05,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:29:05,696 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 [2019-11-07 02:29:05,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:29:05,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:29:05,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:29:05,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:29:05,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:29:05,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:29:05,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:29:05,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:29:05,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:29:05,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:29:05,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:29:05,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:29:05,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:29:05,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:29:05,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:29:05,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:29:05,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:29:05,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:29:05,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:29:05,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:29:05,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:29:05,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:29:05,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:29:05,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:29:05,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:29:05,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:29:05,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:29:05,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:29:05,724 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 [2019-11-07 02:29:06,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:29:06,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:29:06,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:29:06,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:29:06,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:29:06,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-11-07 02:29:06,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b02f7818/82059550941d4b618e0b25aa60f8aaa5/FLAGdf0408559 [2019-11-07 02:29:06,866 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:29:06,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-11-07 02:29:06,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b02f7818/82059550941d4b618e0b25aa60f8aaa5/FLAGdf0408559 [2019-11-07 02:29:07,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b02f7818/82059550941d4b618e0b25aa60f8aaa5 [2019-11-07 02:29:07,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:29:07,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:29:07,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:29:07,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:29:07,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:29:07,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:29:07" (1/1) ... [2019-11-07 02:29:07,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7d17a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:07, skipping insertion in model container [2019-11-07 02:29:07,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:29:07" (1/1) ... [2019-11-07 02:29:07,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:29:07,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:29:09,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:29:09,329 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:29:09,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:29:10,298 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:29:10,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10 WrapperNode [2019-11-07 02:29:10,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:29:10,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:29:10,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:29:10,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:29:10,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (1/1) ... [2019-11-07 02:29:10,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:29:10,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:29:10,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:29:10,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:29:10,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (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 [2019-11-07 02:29:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:29:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:29:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 02:29:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 02:29:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 02:29:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-07 02:29:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-07 02:29:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-07 02:29:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-11-07 02:29:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-11-07 02:29:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-11-07 02:29:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-07 02:29:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-07 02:29:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-07 02:29:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-11-07 02:29:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 02:29:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 02:29:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-11-07 02:29:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-11-07 02:29:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-11-07 02:29:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-07 02:29:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-11-07 02:29:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-11-07 02:29:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-11-07 02:29:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-11-07 02:29:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 02:29:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-11-07 02:29:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-11-07 02:29:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-11-07 02:29:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-11-07 02:29:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-11-07 02:29:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-11-07 02:29:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-11-07 02:29:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-11-07 02:29:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-11-07 02:29:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-11-07 02:29:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-07 02:29:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 02:29:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 02:29:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 02:29:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-11-07 02:29:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-07 02:29:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-11-07 02:29:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-07 02:29:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-11-07 02:29:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 02:29:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 02:29:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-07 02:29:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-07 02:29:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-07 02:29:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-11-07 02:29:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-07 02:29:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:29:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:29:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 02:29:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 02:29:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:29:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 02:29:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 02:29:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-07 02:29:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-07 02:29:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-07 02:29:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-11-07 02:29:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:29:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-11-07 02:29:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-11-07 02:29:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 02:29:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-07 02:29:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 02:29:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 02:29:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-07 02:29:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 02:29:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 02:29:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 02:29:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 02:29:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 02:29:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 02:29:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-07 02:29:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-07 02:29:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-07 02:29:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-11-07 02:29:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-11-07 02:29:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 02:29:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 02:29:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-07 02:29:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-07 02:29:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-07 02:29:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-11-07 02:29:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-11-07 02:29:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 02:29:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:29:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-11-07 02:29:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-11-07 02:29:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-11-07 02:29:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-07 02:29:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-11-07 02:29:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-11-07 02:29:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 02:29:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-11-07 02:29:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:29:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-11-07 02:29:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-11-07 02:29:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-07 02:29:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-07 02:29:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-11-07 02:29:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-11-07 02:29:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-11-07 02:29:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-07 02:29:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:29:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:29:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 02:29:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 02:29:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 02:29:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 02:29:11,958 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 02:29:12,049 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-11-07 02:29:12,049 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-11-07 02:29:12,528 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-11-07 02:29:13,078 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 02:29:13,167 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-11-07 02:29:13,168 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-11-07 02:29:13,768 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 02:29:14,111 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-11-07 02:29:14,111 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-11-07 02:29:17,214 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:29:17,214 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-11-07 02:29:17,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:29:17 BoogieIcfgContainer [2019-11-07 02:29:17,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:29:17,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:29:17,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:29:17,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:29:17,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:29:07" (1/3) ... [2019-11-07 02:29:17,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b58761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:29:17, skipping insertion in model container [2019-11-07 02:29:17,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:29:10" (2/3) ... [2019-11-07 02:29:17,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b58761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:29:17, skipping insertion in model container [2019-11-07 02:29:17,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:29:17" (3/3) ... [2019-11-07 02:29:17,226 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-11-07 02:29:17,236 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:29:17,245 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:29:17,256 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:29:17,286 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:29:17,287 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:29:17,287 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:29:17,287 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:29:17,287 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:29:17,287 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:29:17,287 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:29:17,287 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:29:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2019-11-07 02:29:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 02:29:17,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:17,327 INFO L410 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] [2019-11-07 02:29:17,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:17,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1901896339, now seen corresponding path program 1 times [2019-11-07 02:29:17,344 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:17,345 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707483345] [2019-11-07 02:29:17,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:29:17,925 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707483345] [2019-11-07 02:29:17,927 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:29:17,927 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:29:17,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238540838] [2019-11-07 02:29:17,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:29:17,934 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:29:17,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:29:17,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:29:17,951 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 3 states. [2019-11-07 02:29:18,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:29:18,213 INFO L93 Difference]: Finished difference Result 1505 states and 2006 transitions. [2019-11-07 02:29:18,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:29:18,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-07 02:29:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:29:18,250 INFO L225 Difference]: With dead ends: 1505 [2019-11-07 02:29:18,250 INFO L226 Difference]: Without dead ends: 951 [2019-11-07 02:29:18,259 INFO L630 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 [2019-11-07 02:29:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2019-11-07 02:29:18,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 947. [2019-11-07 02:29:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-11-07 02:29:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1190 transitions. [2019-11-07 02:29:18,413 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1190 transitions. Word has length 25 [2019-11-07 02:29:18,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:29:18,414 INFO L462 AbstractCegarLoop]: Abstraction has 947 states and 1190 transitions. [2019-11-07 02:29:18,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:29:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1190 transitions. [2019-11-07 02:29:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-07 02:29:18,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:18,415 INFO L410 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] [2019-11-07 02:29:18,415 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:18,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:18,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1170315861, now seen corresponding path program 1 times [2019-11-07 02:29:18,416 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:18,416 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577734270] [2019-11-07 02:29:18,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:29:18,632 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577734270] [2019-11-07 02:29:18,632 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:29:18,632 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:29:18,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161583624] [2019-11-07 02:29:18,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:29:18,635 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:29:18,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:29:18,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:29:18,637 INFO L87 Difference]: Start difference. First operand 947 states and 1190 transitions. Second operand 3 states. [2019-11-07 02:29:18,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:29:18,698 INFO L93 Difference]: Finished difference Result 949 states and 1191 transitions. [2019-11-07 02:29:18,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:29:18,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-07 02:29:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:29:18,709 INFO L225 Difference]: With dead ends: 949 [2019-11-07 02:29:18,709 INFO L226 Difference]: Without dead ends: 937 [2019-11-07 02:29:18,711 INFO L630 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 [2019-11-07 02:29:18,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2019-11-07 02:29:18,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2019-11-07 02:29:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-11-07 02:29:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1174 transitions. [2019-11-07 02:29:18,819 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1174 transitions. Word has length 26 [2019-11-07 02:29:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:29:18,820 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1174 transitions. [2019-11-07 02:29:18,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:29:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1174 transitions. [2019-11-07 02:29:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-07 02:29:18,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:18,843 INFO L410 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] [2019-11-07 02:29:18,843 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:18,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:18,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1070183691, now seen corresponding path program 1 times [2019-11-07 02:29:18,847 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:18,847 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838530293] [2019-11-07 02:29:18,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:29:19,051 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838530293] [2019-11-07 02:29:19,051 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:29:19,051 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:29:19,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920097748] [2019-11-07 02:29:19,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:29:19,054 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:29:19,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:29:19,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:29:19,055 INFO L87 Difference]: Start difference. First operand 937 states and 1174 transitions. Second operand 3 states. [2019-11-07 02:29:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:29:19,161 INFO L93 Difference]: Finished difference Result 1925 states and 2455 transitions. [2019-11-07 02:29:19,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:29:19,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-11-07 02:29:19,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:29:19,172 INFO L225 Difference]: With dead ends: 1925 [2019-11-07 02:29:19,172 INFO L226 Difference]: Without dead ends: 1008 [2019-11-07 02:29:19,176 INFO L630 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 [2019-11-07 02:29:19,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-11-07 02:29:19,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-11-07 02:29:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-11-07 02:29:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1292 transitions. [2019-11-07 02:29:19,242 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1292 transitions. Word has length 68 [2019-11-07 02:29:19,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:29:19,243 INFO L462 AbstractCegarLoop]: Abstraction has 1006 states and 1292 transitions. [2019-11-07 02:29:19,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:29:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1292 transitions. [2019-11-07 02:29:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 02:29:19,252 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:19,254 INFO L410 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] [2019-11-07 02:29:19,255 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:19,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:19,255 INFO L82 PathProgramCache]: Analyzing trace with hash -406345789, now seen corresponding path program 1 times [2019-11-07 02:29:19,255 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:19,256 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134979229] [2019-11-07 02:29:19,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:29:19,469 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134979229] [2019-11-07 02:29:19,469 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:29:19,469 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 02:29:19,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711719256] [2019-11-07 02:29:19,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 02:29:19,470 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:29:19,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 02:29:19,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:29:19,471 INFO L87 Difference]: Start difference. First operand 1006 states and 1292 transitions. Second operand 5 states. [2019-11-07 02:29:19,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:29:19,686 INFO L93 Difference]: Finished difference Result 1930 states and 2470 transitions. [2019-11-07 02:29:19,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 02:29:19,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-11-07 02:29:19,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:29:19,694 INFO L225 Difference]: With dead ends: 1930 [2019-11-07 02:29:19,694 INFO L226 Difference]: Without dead ends: 938 [2019-11-07 02:29:19,699 INFO L630 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 [2019-11-07 02:29:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-11-07 02:29:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 927. [2019-11-07 02:29:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-11-07 02:29:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1179 transitions. [2019-11-07 02:29:19,749 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1179 transitions. Word has length 98 [2019-11-07 02:29:19,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:29:19,750 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1179 transitions. [2019-11-07 02:29:19,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 02:29:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1179 transitions. [2019-11-07 02:29:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-07 02:29:19,753 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:19,753 INFO L410 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] [2019-11-07 02:29:19,753 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:19,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1364534761, now seen corresponding path program 1 times [2019-11-07 02:29:19,754 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:19,754 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764645105] [2019-11-07 02:29:19,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-07 02:29:20,046 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764645105] [2019-11-07 02:29:20,047 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:29:20,047 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 02:29:20,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256884358] [2019-11-07 02:29:20,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 02:29:20,048 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:29:20,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 02:29:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 02:29:20,049 INFO L87 Difference]: Start difference. First operand 927 states and 1179 transitions. Second operand 7 states. [2019-11-07 02:29:22,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:29:22,492 INFO L93 Difference]: Finished difference Result 972 states and 1240 transitions. [2019-11-07 02:29:22,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:29:22,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-11-07 02:29:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:29:22,499 INFO L225 Difference]: With dead ends: 972 [2019-11-07 02:29:22,499 INFO L226 Difference]: Without dead ends: 929 [2019-11-07 02:29:22,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-07 02:29:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-11-07 02:29:22,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2019-11-07 02:29:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-11-07 02:29:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1178 transitions. [2019-11-07 02:29:22,545 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1178 transitions. Word has length 142 [2019-11-07 02:29:22,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:29:22,545 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1178 transitions. [2019-11-07 02:29:22,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 02:29:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1178 transitions. [2019-11-07 02:29:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 02:29:22,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:29:22,549 INFO L410 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] [2019-11-07 02:29:22,549 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:29:22,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:29:22,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1369458619, now seen corresponding path program 1 times [2019-11-07 02:29:22,549 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:29:22,550 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374861895] [2019-11-07 02:29:22,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:29:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-07 02:29:23,424 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374861895] [2019-11-07 02:29:23,424 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015281648] [2019-11-07 02:29:23,424 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 [2019-11-07 02:29:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:29:24,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 49 conjunts are in the unsatisfiable core [2019-11-07 02:29:24,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:29:24,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,337 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 17 [2019-11-07 02:29:24,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:24,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,462 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 [2019-11-07 02:29:24,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,471 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 [2019-11-07 02:29:24,472 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,517 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 [2019-11-07 02:29:24,518 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,529 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 [2019-11-07 02:29:24,529 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-07 02:29:24,552 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:61, output treesize:26 [2019-11-07 02:29:24,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:24,692 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 [2019-11-07 02:29:24,693 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,702 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 [2019-11-07 02:29:24,703 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,734 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:24,757 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 [2019-11-07 02:29:24,758 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,767 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 [2019-11-07 02:29:24,767 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,795 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-07 02:29:24,795 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-11-07 02:29:24,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:24,880 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 [2019-11-07 02:29:24,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:24,893 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 [2019-11-07 02:29:24,894 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,926 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,934 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 [2019-11-07 02:29:24,935 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:24,946 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 [2019-11-07 02:29:24,947 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:24,976 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:24,977 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-07 02:29:24,977 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-11-07 02:29:24,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,064 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 [2019-11-07 02:29:25,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:25,077 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 [2019-11-07 02:29:25,078 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:25,123 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 [2019-11-07 02:29:25,123 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:29:25,134 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 [2019-11-07 02:29:25,135 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,166 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:25,167 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-07 02:29:25,167 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-11-07 02:29:25,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,183 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 [2019-11-07 02:29:25,184 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,189 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 [2019-11-07 02:29:25,190 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:25,219 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 [2019-11-07 02:29:25,219 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,223 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 [2019-11-07 02:29:25,224 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:29:25,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:29:25,237 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-07 02:29:25,238 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:14 [2019-11-07 02:29:25,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 02:29:25,374 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:29:25,777 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-11-07 02:29:25,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:25,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:25,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,028 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 26 [2019-11-07 02:29:30,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,362 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-11-07 02:29:30,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:30,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,795 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-11-07 02:29:30,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:30,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:30,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,223 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-11-07 02:29:31,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:31,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-07 02:29:31,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:29:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-07 02:29:31,589 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [402804218] [2019-11-07 02:29:31,622 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2019-11-07 02:29:31,623 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 02:29:31,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 02:29:31,637 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 02:29:31,638 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs