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-f4eb214f-m [2019-10-13 22:07:55,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:07:55,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:07:55,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:07:55,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:07:55,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:07:55,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:07:55,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:07:55,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:07:55,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:07:55,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:07:55,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:07:55,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:07:55,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:07:55,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:07:55,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:07:55,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:07:55,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:07:55,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:07:55,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:07:55,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:07:55,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:07:55,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:07:55,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:07:55,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:07:55,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:07:55,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:07:55,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:07:55,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:07:55,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:07:55,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:07:55,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:07:55,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:07:55,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:07:55,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:07:55,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:07:55,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:07:55,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:07:55,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:07:55,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:07:55,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:07:55,702 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 [2019-10-13 22:07:55,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:07:55,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:07:55,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:07:55,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:07:55,733 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:07:55,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:07:55,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:07:55,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:07:55,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:07:55,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:07:55,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:07:55,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:07:55,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:07:55,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:07:55,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:07:55,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:07:55,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:07:55,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:07:55,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:07:55,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:07:55,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:07:55,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:07:55,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:07:55,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:07:55,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:07:55,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:07:55,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:07:55,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:07:55,744 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 [2019-10-13 22:07:56,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:07:56,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:07:56,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:07:56,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:07:56,034 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:07:56,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 22:07:56,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5825b3fad/9faa6814687a4c0790e9bbb34cbe645a/FLAG30bed65c2 [2019-10-13 22:07:57,003 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:07:57,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 22:07:57,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5825b3fad/9faa6814687a4c0790e9bbb34cbe645a/FLAG30bed65c2 [2019-10-13 22:07:57,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5825b3fad/9faa6814687a4c0790e9bbb34cbe645a [2019-10-13 22:07:57,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:07:57,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:07:57,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:07:57,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:07:57,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:07:57,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:57" (1/1) ... [2019-10-13 22:07:57,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7139cfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:57, skipping insertion in model container [2019-10-13 22:07:57,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:57" (1/1) ... [2019-10-13 22:07:57,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:07:57,638 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:07:59,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:07:59,502 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:07:59,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:00,369 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:00,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00 WrapperNode [2019-10-13 22:08:00,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:00,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:00,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:00,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:00,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (1/1) ... [2019-10-13 22:08:00,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:00,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:00,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:00,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:00,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (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 [2019-10-13 22:08:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:08:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:08:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:08:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 22:08:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 22:08:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:08:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-13 22:08:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 22:08:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-13 22:08:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 22:08:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 22:08:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 22:08:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-13 22:08:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:08:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:08:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-13 22:08:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-13 22:08:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:08:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:08:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:08:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:08:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 22:08:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 22:08:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-10-13 22:08:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-10-13 22:08:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-10-13 22:08:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-10-13 22:08:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-10-13 22:08:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-10-13 22:08:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-13 22:08:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:08:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 22:08:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 22:08:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 22:08:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:08:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:08:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:08:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 22:08:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 22:08:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 22:08:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 22:08:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 22:08:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:08:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:08:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-13 22:08:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 22:08:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 22:08:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 22:08:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:08:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:08:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:08:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:08:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 22:08:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 22:08:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:08:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-13 22:08:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 22:08:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-13 22:08:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:08:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:08:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:08:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-13 22:08:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 22:08:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 22:08:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 22:08:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-13 22:08:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:08:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:08:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:08:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:08:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:08:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 22:08:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 22:08:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 22:08:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-13 22:08:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-13 22:08:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:08:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:08:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 22:08:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 22:08:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-13 22:08:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-13 22:08:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-13 22:08:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:08:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:08:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:08:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:08:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 22:08:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:08:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-10-13 22:08:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-10-13 22:08:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-10-13 22:08:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-10-13 22:08:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-10-13 22:08:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-10-13 22:08:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:08:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:02,161 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:08:02,257 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-13 22:08:02,257 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-13 22:08:02,743 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-13 22:08:03,460 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:08:03,546 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-13 22:08:03,547 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-13 22:08:04,083 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:08:04,344 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-10-13 22:08:04,345 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-10-13 22:08:07,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:08:07,252 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-13 22:08:07,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:07 BoogieIcfgContainer [2019-10-13 22:08:07,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:08:07,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:08:07,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:08:07,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:08:07,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:07:57" (1/3) ... [2019-10-13 22:08:07,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37decd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:07, skipping insertion in model container [2019-10-13 22:08:07,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:00" (2/3) ... [2019-10-13 22:08:07,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37decd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:07, skipping insertion in model container [2019-10-13 22:08:07,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:07" (3/3) ... [2019-10-13 22:08:07,262 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 22:08:07,273 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:08:07,290 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:08:07,299 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:08:07,333 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:08:07,333 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:08:07,333 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:08:07,333 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:08:07,333 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:08:07,334 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:08:07,334 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:08:07,334 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:08:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2019-10-13 22:08:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 22:08:07,374 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:07,375 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] [2019-10-13 22:08:07,377 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:07,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:07,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1901896339, now seen corresponding path program 1 times [2019-10-13 22:08:07,392 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:07,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096783925] [2019-10-13 22:08:07,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:07,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:07,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:07,955 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096783925] [2019-10-13 22:08:07,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:07,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:07,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295018368] [2019-10-13 22:08:07,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:07,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:07,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:07,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:07,980 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 3 states. [2019-10-13 22:08:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:08,176 INFO L93 Difference]: Finished difference Result 1505 states and 2006 transitions. [2019-10-13 22:08:08,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:08,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-13 22:08:08,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:08,205 INFO L225 Difference]: With dead ends: 1505 [2019-10-13 22:08:08,206 INFO L226 Difference]: Without dead ends: 951 [2019-10-13 22:08:08,217 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 [2019-10-13 22:08:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2019-10-13 22:08:08,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 947. [2019-10-13 22:08:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-10-13 22:08:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1190 transitions. [2019-10-13 22:08:08,359 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1190 transitions. Word has length 25 [2019-10-13 22:08:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:08,360 INFO L462 AbstractCegarLoop]: Abstraction has 947 states and 1190 transitions. [2019-10-13 22:08:08,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1190 transitions. [2019-10-13 22:08:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-13 22:08:08,361 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:08,361 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] [2019-10-13 22:08:08,362 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:08,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:08,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1170315861, now seen corresponding path program 1 times [2019-10-13 22:08:08,362 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:08,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619964250] [2019-10-13 22:08:08,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:08,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:08,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:08,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619964250] [2019-10-13 22:08:08,578 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:08,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:08,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548984746] [2019-10-13 22:08:08,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:08,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:08,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:08,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:08,583 INFO L87 Difference]: Start difference. First operand 947 states and 1190 transitions. Second operand 3 states. [2019-10-13 22:08:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:08,640 INFO L93 Difference]: Finished difference Result 949 states and 1191 transitions. [2019-10-13 22:08:08,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:08,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-13 22:08:08,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:08,653 INFO L225 Difference]: With dead ends: 949 [2019-10-13 22:08:08,653 INFO L226 Difference]: Without dead ends: 937 [2019-10-13 22:08:08,655 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 [2019-10-13 22:08:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2019-10-13 22:08:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2019-10-13 22:08:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-10-13 22:08:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1174 transitions. [2019-10-13 22:08:08,734 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1174 transitions. Word has length 26 [2019-10-13 22:08:08,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:08,734 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1174 transitions. [2019-10-13 22:08:08,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1174 transitions. [2019-10-13 22:08:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 22:08:08,740 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:08,740 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] [2019-10-13 22:08:08,740 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:08,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:08,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1070183691, now seen corresponding path program 1 times [2019-10-13 22:08:08,741 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:08,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371480918] [2019-10-13 22:08:08,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:08,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:08,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:08,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371480918] [2019-10-13 22:08:08,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:08,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:08,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733774443] [2019-10-13 22:08:08,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:08,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:08,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:08,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:08,906 INFO L87 Difference]: Start difference. First operand 937 states and 1174 transitions. Second operand 3 states. [2019-10-13 22:08:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:08,991 INFO L93 Difference]: Finished difference Result 1925 states and 2455 transitions. [2019-10-13 22:08:08,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:08,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-13 22:08:08,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:08,998 INFO L225 Difference]: With dead ends: 1925 [2019-10-13 22:08:08,999 INFO L226 Difference]: Without dead ends: 1008 [2019-10-13 22:08:09,002 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 [2019-10-13 22:08:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-10-13 22:08:09,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-10-13 22:08:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-10-13 22:08:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1292 transitions. [2019-10-13 22:08:09,051 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1292 transitions. Word has length 68 [2019-10-13 22:08:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:09,051 INFO L462 AbstractCegarLoop]: Abstraction has 1006 states and 1292 transitions. [2019-10-13 22:08:09,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:09,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1292 transitions. [2019-10-13 22:08:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 22:08:09,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:09,058 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] [2019-10-13 22:08:09,058 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:09,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:09,059 INFO L82 PathProgramCache]: Analyzing trace with hash -406345789, now seen corresponding path program 1 times [2019-10-13 22:08:09,059 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:09,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473375962] [2019-10-13 22:08:09,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:09,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:09,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:09,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473375962] [2019-10-13 22:08:09,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:09,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:08:09,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407228927] [2019-10-13 22:08:09,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:08:09,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:09,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:08:09,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:08:09,367 INFO L87 Difference]: Start difference. First operand 1006 states and 1292 transitions. Second operand 5 states. [2019-10-13 22:08:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:09,526 INFO L93 Difference]: Finished difference Result 1930 states and 2470 transitions. [2019-10-13 22:08:09,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:08:09,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-10-13 22:08:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:09,532 INFO L225 Difference]: With dead ends: 1930 [2019-10-13 22:08:09,532 INFO L226 Difference]: Without dead ends: 938 [2019-10-13 22:08:09,538 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 [2019-10-13 22:08:09,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-13 22:08:09,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 927. [2019-10-13 22:08:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-13 22:08:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1179 transitions. [2019-10-13 22:08:09,582 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1179 transitions. Word has length 98 [2019-10-13 22:08:09,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:09,584 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1179 transitions. [2019-10-13 22:08:09,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:08:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1179 transitions. [2019-10-13 22:08:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 22:08:09,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:09,589 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] [2019-10-13 22:08:09,589 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:09,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:09,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1364534761, now seen corresponding path program 1 times [2019-10-13 22:08:09,590 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:09,590 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797141649] [2019-10-13 22:08:09,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:09,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:09,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-10-13 22:08:09,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797141649] [2019-10-13 22:08:09,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:09,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 22:08:09,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016886902] [2019-10-13 22:08:09,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:08:09,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:09,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:08:09,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:08:09,906 INFO L87 Difference]: Start difference. First operand 927 states and 1179 transitions. Second operand 7 states. [2019-10-13 22:08:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:11,935 INFO L93 Difference]: Finished difference Result 972 states and 1240 transitions. [2019-10-13 22:08:11,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 22:08:11,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-10-13 22:08:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:11,943 INFO L225 Difference]: With dead ends: 972 [2019-10-13 22:08:11,943 INFO L226 Difference]: Without dead ends: 929 [2019-10-13 22:08:11,944 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 [2019-10-13 22:08:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-10-13 22:08:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2019-10-13 22:08:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-13 22:08:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1178 transitions. [2019-10-13 22:08:11,987 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1178 transitions. Word has length 142 [2019-10-13 22:08:11,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:11,988 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1178 transitions. [2019-10-13 22:08:11,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:08:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1178 transitions. [2019-10-13 22:08:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-13 22:08:11,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:11,991 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] [2019-10-13 22:08:11,991 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1369458619, now seen corresponding path program 1 times [2019-10-13 22:08:11,991 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:11,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695757163] [2019-10-13 22:08:11,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:11,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:11,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-13 22:08:12,863 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695757163] [2019-10-13 22:08:12,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545834011] [2019-10-13 22:08:12,864 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 [2019-10-13 22:08:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:13,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 49 conjunts are in the unsatisfiable core [2019-10-13 22:08:13,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:08:13,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:13,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,653 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 [2019-10-13 22:08:13,654 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,661 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 [2019-10-13 22:08:13,661 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:13,694 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 [2019-10-13 22:08:13,695 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,701 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 [2019-10-13 22:08:13,702 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,722 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:13,724 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-13 22:08:13,724 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:61, output treesize:26 [2019-10-13 22:08:13,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:13,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:13,880 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 [2019-10-13 22:08:13,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,899 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 [2019-10-13 22:08:13,899 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,940 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:13,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:13,970 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 [2019-10-13 22:08:13,971 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:13,980 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 [2019-10-13 22:08:13,981 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,010 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-13 22:08:14,010 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-13 22:08:14,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,095 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 [2019-10-13 22:08:14,096 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:14,110 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 [2019-10-13 22:08:14,111 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,151 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 [2019-10-13 22:08:14,152 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:14,163 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 [2019-10-13 22:08:14,164 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,194 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,195 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-13 22:08:14,195 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-13 22:08:14,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,288 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 [2019-10-13 22:08:14,288 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:14,303 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 [2019-10-13 22:08:14,305 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,346 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 [2019-10-13 22:08:14,346 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 22:08:14,359 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 [2019-10-13 22:08:14,360 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,399 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-13 22:08:14,399 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-13 22:08:14,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,427 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 [2019-10-13 22:08:14,428 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,433 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 [2019-10-13 22:08:14,434 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,461 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 [2019-10-13 22:08:14,462 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,466 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 [2019-10-13 22:08:14,467 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 22:08:14,478 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 22:08:14,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-13 22:08:14,479 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:14 [2019-10-13 22:08:14,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 22:08:14,686 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:08:15,041 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-10-13 22:08:15,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:15,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:15,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,223 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 26 [2019-10-13 22:08:19,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,500 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-13 22:08:19,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:19,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,628 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:19,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:19,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,238 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-10-13 22:08:20,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:20,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 22:08:20,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:08:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 22:08:20,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [238796096] [2019-10-13 22:08:20,594 INFO L162 IcfgInterpreter]: Started Sifa with 105 locations of interest [2019-10-13 22:08:20,595 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:08:20,601 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:08:20,610 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:08:20,610 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs