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 0.1.24-36ac518-m [2019-10-07 06:19:58,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:19:58,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:19:58,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:19:58,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:19:58,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:19:58,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:19:58,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:19:58,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:19:58,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:19:58,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:19:58,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:19:58,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:19:58,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:19:58,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:19:58,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:19:58,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:19:58,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:19:58,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:19:58,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:19:58,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:19:58,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:19:58,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:19:58,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:19:58,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:19:58,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:19:58,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:19:58,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:19:58,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:19:58,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:19:58,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:19:58,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:19:58,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:19:58,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:19:58,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:19:58,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:19:58,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:19:58,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:19:58,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:19:58,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:19:58,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:19:58,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 06:19:58,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:19:58,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:19:58,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:19:58,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:19:58,561 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:19:58,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:19:58,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:19:58,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:19:58,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:19:58,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:19:58,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:19:58,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:19:58,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:19:58,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:19:58,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:19:58,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:19:58,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:19:58,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:19:58,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:19:58,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:19:58,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:19:58,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:19:58,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:19:58,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:19:58,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:19:58,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:19:58,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:19:58,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:19:58,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 06:19:58,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:19:58,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:19:58,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:19:58,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:19:58,953 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:19:58,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-07 06:19:59,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f22682fd/d47e80aaaabb4c01bc5e4879c9e865fd/FLAG6459d4954 [2019-10-07 06:19:59,802 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:19:59,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-07 06:19:59,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f22682fd/d47e80aaaabb4c01bc5e4879c9e865fd/FLAG6459d4954 [2019-10-07 06:20:00,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f22682fd/d47e80aaaabb4c01bc5e4879c9e865fd [2019-10-07 06:20:00,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:20:00,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:20:00,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:20:00,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:20:00,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:20:00,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:20:00" (1/1) ... [2019-10-07 06:20:00,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e394a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:00, skipping insertion in model container [2019-10-07 06:20:00,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:20:00" (1/1) ... [2019-10-07 06:20:00,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:20:00,479 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:20:02,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:20:02,609 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:20:02,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:20:03,678 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:20:03,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03 WrapperNode [2019-10-07 06:20:03,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:20:03,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:20:03,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:20:03,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:20:03,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:03,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... [2019-10-07 06:20:04,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:20:04,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:20:04,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:20:04,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:20:04,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:20:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:20:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:20:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:20:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 06:20:04,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 06:20:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 06:20:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 06:20:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 06:20:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-07 06:20:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-07 06:20:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-07 06:20:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 06:20:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 06:20:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 06:20:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 06:20:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:20:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 06:20:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-07 06:20:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-07 06:20:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-07 06:20:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 06:20:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 06:20:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 06:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 06:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 06:20:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 06:20:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-10-07 06:20:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-10-07 06:20:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-10-07 06:20:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-10-07 06:20:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-10-07 06:20:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-07 06:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-07 06:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-07 06:20:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:20:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 06:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 06:20:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:20:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 06:20:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 06:20:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 06:20:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 06:20:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-07 06:20:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:20:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:20:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 06:20:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 06:20:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 06:20:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 06:20:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 06:20:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:20:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-07 06:20:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 06:20:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 06:20:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 06:20:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-07 06:20:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-07 06:20:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 06:20:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:20:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:20:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 06:20:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 06:20:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 06:20:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-07 06:20:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:20:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-07 06:20:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-07 06:20:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:20:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 06:20:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 06:20:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 06:20:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-07 06:20:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:20:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 06:20:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:20:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:20:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 06:20:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 06:20:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 06:20:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 06:20:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 06:20:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-07 06:20:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-07 06:20:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:20:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:20:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 06:20:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 06:20:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-07 06:20:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 06:20:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 06:20:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 06:20:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-07 06:20:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-07 06:20:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 06:20:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-10-07 06:20:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-10-07 06:20:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-10-07 06:20:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-07 06:20:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:20:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 06:20:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 06:20:05,485 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:05,639 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-07 06:20:05,639 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-07 06:20:06,259 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-07 06:20:06,912 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:07,008 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-07 06:20:07,008 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-07 06:20:07,740 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:07,976 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-10-07 06:20:07,977 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-10-07 06:20:10,236 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:20:10,236 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-07 06:20:10,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:20:10 BoogieIcfgContainer [2019-10-07 06:20:10,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:20:10,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:20:10,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:20:10,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:20:10,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:20:00" (1/3) ... [2019-10-07 06:20:10,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b67280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:20:10, skipping insertion in model container [2019-10-07 06:20:10,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:03" (2/3) ... [2019-10-07 06:20:10,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b67280e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:20:10, skipping insertion in model container [2019-10-07 06:20:10,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:20:10" (3/3) ... [2019-10-07 06:20:10,247 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-07 06:20:10,257 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:20:10,267 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:20:10,277 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:20:10,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:20:10,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:20:10,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:20:10,312 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:20:10,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:20:10,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:20:10,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:20:10,313 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:20:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2019-10-07 06:20:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 06:20:10,356 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:10,357 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:20:10,359 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:10,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1901896339, now seen corresponding path program 1 times [2019-10-07 06:20:10,375 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:10,375 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:10,375 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:10,375 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:10,982 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:10,983 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:10,983 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:10,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:11,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:11,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:11,016 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 3 states. [2019-10-07 06:20:11,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:11,375 INFO L93 Difference]: Finished difference Result 1505 states and 2006 transitions. [2019-10-07 06:20:11,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:11,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-07 06:20:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:11,417 INFO L225 Difference]: With dead ends: 1505 [2019-10-07 06:20:11,417 INFO L226 Difference]: Without dead ends: 951 [2019-10-07 06:20:11,429 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2019-10-07 06:20:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 947. [2019-10-07 06:20:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-10-07 06:20:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1190 transitions. [2019-10-07 06:20:11,603 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1190 transitions. Word has length 25 [2019-10-07 06:20:11,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:11,604 INFO L462 AbstractCegarLoop]: Abstraction has 947 states and 1190 transitions. [2019-10-07 06:20:11,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1190 transitions. [2019-10-07 06:20:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-07 06:20:11,606 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:11,606 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:20:11,606 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:11,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:11,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1170315861, now seen corresponding path program 1 times [2019-10-07 06:20:11,607 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:11,607 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:11,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:11,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:11,837 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:11,838 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:11,838 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:11,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:11,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:11,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:11,840 INFO L87 Difference]: Start difference. First operand 947 states and 1190 transitions. Second operand 3 states. [2019-10-07 06:20:11,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:11,892 INFO L93 Difference]: Finished difference Result 949 states and 1191 transitions. [2019-10-07 06:20:11,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:11,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-07 06:20:11,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:11,903 INFO L225 Difference]: With dead ends: 949 [2019-10-07 06:20:11,903 INFO L226 Difference]: Without dead ends: 937 [2019-10-07 06:20:11,905 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:11,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2019-10-07 06:20:11,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2019-10-07 06:20:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-10-07 06:20:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1174 transitions. [2019-10-07 06:20:12,000 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1174 transitions. Word has length 26 [2019-10-07 06:20:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:12,001 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1174 transitions. [2019-10-07 06:20:12,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1174 transitions. [2019-10-07 06:20:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-07 06:20:12,006 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:12,007 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:20:12,007 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:12,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1070183691, now seen corresponding path program 1 times [2019-10-07 06:20:12,008 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:12,008 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:12,008 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,008 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:12,188 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:12,189 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:12,189 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:12,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:12,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:12,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:12,190 INFO L87 Difference]: Start difference. First operand 937 states and 1174 transitions. Second operand 3 states. [2019-10-07 06:20:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:12,278 INFO L93 Difference]: Finished difference Result 1925 states and 2455 transitions. [2019-10-07 06:20:12,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:12,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-07 06:20:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:12,288 INFO L225 Difference]: With dead ends: 1925 [2019-10-07 06:20:12,288 INFO L226 Difference]: Without dead ends: 1008 [2019-10-07 06:20:12,292 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-10-07 06:20:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-10-07 06:20:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-10-07 06:20:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1292 transitions. [2019-10-07 06:20:12,355 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1292 transitions. Word has length 68 [2019-10-07 06:20:12,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:12,356 INFO L462 AbstractCegarLoop]: Abstraction has 1006 states and 1292 transitions. [2019-10-07 06:20:12,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1292 transitions. [2019-10-07 06:20:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-07 06:20:12,370 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:12,371 INFO L385 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] [2019-10-07 06:20:12,371 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:12,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:12,372 INFO L82 PathProgramCache]: Analyzing trace with hash -406345789, now seen corresponding path program 1 times [2019-10-07 06:20:12,372 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:12,372 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:12,372 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,372 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:12,607 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:12,608 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:12,608 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:20:12,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:20:12,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:20:12,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:20:12,609 INFO L87 Difference]: Start difference. First operand 1006 states and 1292 transitions. Second operand 5 states. [2019-10-07 06:20:12,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:12,819 INFO L93 Difference]: Finished difference Result 1930 states and 2470 transitions. [2019-10-07 06:20:12,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:20:12,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-10-07 06:20:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:12,826 INFO L225 Difference]: With dead ends: 1930 [2019-10-07 06:20:12,826 INFO L226 Difference]: Without dead ends: 938 [2019-10-07 06:20:12,831 INFO L606 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 [2019-10-07 06:20:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-07 06:20:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 927. [2019-10-07 06:20:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-07 06:20:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1179 transitions. [2019-10-07 06:20:12,886 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1179 transitions. Word has length 98 [2019-10-07 06:20:12,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:12,888 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1179 transitions. [2019-10-07 06:20:12,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:20:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1179 transitions. [2019-10-07 06:20:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 06:20:12,893 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:12,893 INFO L385 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] [2019-10-07 06:20:12,894 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1364534761, now seen corresponding path program 1 times [2019-10-07 06:20:12,894 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:12,895 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:12,895 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,895 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-10-07 06:20:13,227 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:13,228 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:13,228 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 06:20:13,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 06:20:13,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 06:20:13,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 06:20:13,229 INFO L87 Difference]: Start difference. First operand 927 states and 1179 transitions. Second operand 7 states. [2019-10-07 06:20:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:15,386 INFO L93 Difference]: Finished difference Result 972 states and 1240 transitions. [2019-10-07 06:20:15,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 06:20:15,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-10-07 06:20:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:15,394 INFO L225 Difference]: With dead ends: 972 [2019-10-07 06:20:15,395 INFO L226 Difference]: Without dead ends: 929 [2019-10-07 06:20:15,396 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 06:20:15,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-10-07 06:20:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 927. [2019-10-07 06:20:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-10-07 06:20:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1178 transitions. [2019-10-07 06:20:15,439 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1178 transitions. Word has length 142 [2019-10-07 06:20:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:15,441 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1178 transitions. [2019-10-07 06:20:15,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 06:20:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1178 transitions. [2019-10-07 06:20:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-07 06:20:15,444 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:15,445 INFO L385 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] [2019-10-07 06:20:15,445 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:15,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:15,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1369458619, now seen corresponding path program 1 times [2019-10-07 06:20:15,446 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:15,446 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:15,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:15,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:15,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-07 06:20:16,245 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:16,245 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:20:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:20:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:16,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 49 conjunts are in the unsatisfiable core [2019-10-07 06:20:16,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:20:16,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:17,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,121 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 [2019-10-07 06:20:17,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,129 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 [2019-10-07 06:20:17,130 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,161 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 [2019-10-07 06:20:17,162 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,170 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 [2019-10-07 06:20:17,171 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,190 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 06:20:17,190 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:61, output treesize:26 [2019-10-07 06:20:17,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,335 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 [2019-10-07 06:20:17,336 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,344 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 [2019-10-07 06:20:17,345 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,406 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 [2019-10-07 06:20:17,406 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,416 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 [2019-10-07 06:20:17,416 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,444 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 06:20:17,445 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-07 06:20:17,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,525 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 [2019-10-07 06:20:17,526 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,539 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 [2019-10-07 06:20:17,539 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,573 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,581 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 [2019-10-07 06:20:17,581 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,592 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 [2019-10-07 06:20:17,593 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 06:20:17,622 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-07 06:20:17,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,704 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 [2019-10-07 06:20:17,704 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,717 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 [2019-10-07 06:20:17,718 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,748 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,756 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 [2019-10-07 06:20:17,756 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 06:20:17,767 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 [2019-10-07 06:20:17,767 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,800 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,801 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 06:20:17,801 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:26 [2019-10-07 06:20:17,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,820 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 [2019-10-07 06:20:17,821 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,827 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 [2019-10-07 06:20:17,828 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,850 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,859 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 [2019-10-07 06:20:17,860 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,864 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 [2019-10-07 06:20:17,865 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 06:20:17,875 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 06:20:17,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-10-07 06:20:17,876 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:14 [2019-10-07 06:20:17,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:17,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 06:20:18,018 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:20:18,410 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-10-07 06:20:18,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:18,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:18,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,602 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 26 [2019-10-07 06:20:22,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,897 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-07 06:20:22,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:22,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:22,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,285 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-07 06:20:23,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:23,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,770 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-10-07 06:20:23,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:23,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 06:20:23,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:23,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:20:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 06:20:24,159 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:20:24,198 INFO L162 IcfgInterpreter]: Started Sifa with 105 locations of interest [2019-10-07 06:20:24,198 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:20:24,206 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:20:24,217 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:20:24,218 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 06:21:04,238 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1521 [2019-10-07 06:21:05,634 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1559 [2019-10-07 06:21:06,685 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1610 [2019-10-07 06:21:07,363 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1620 [2019-10-07 06:21:11,065 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-10-07 06:21:11,716 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1607 [2019-10-07 06:21:12,258 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 1607 [2019-10-07 06:21:12,890 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1607 [2019-10-07 06:21:13,625 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:14,337 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:15,058 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:15,783 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:17,164 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1685 DAG size of output: 1683 [2019-10-07 06:21:17,869 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:18,558 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:19,221 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:19,926 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:20,600 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1683 [2019-10-07 06:21:20,625 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 220 for LOIs [2019-10-07 06:21:21,256 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1493 [2019-10-07 06:21:21,592 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 1493 [2019-10-07 06:21:22,028 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 1569 [2019-10-07 06:21:22,030 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1697 for LOIs [2019-10-07 06:21:22,687 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:23,393 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:24,121 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:24,826 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:25,489 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:26,216 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:26,938 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:27,606 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:28,323 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:29,633 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1715 DAG size of output: 1697 [2019-10-07 06:21:30,316 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:31,024 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:31,706 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:32,385 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:33,093 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:33,779 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:34,440 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:35,147 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:35,804 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:36,465 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:37,161 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:37,849 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:38,508 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:39,223 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:39,877 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:40,538 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:41,246 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:41,913 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:42,585 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:43,291 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:43,953 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:44,610 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:45,316 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:45,974 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:46,631 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:47,334 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:48,004 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:48,662 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:49,369 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:50,029 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:50,688 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:51,393 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:52,052 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:52,723 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:53,427 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:54,090 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:54,751 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:55,459 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:56,118 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:56,777 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:57,489 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:21:58,160 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:58,821 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:21:59,519 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:22:00,176 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:00,836 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:01,544 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:22:02,211 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:02,880 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:03,586 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:22:04,245 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:04,914 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1697 [2019-10-07 06:22:05,612 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2019-10-07 06:22:05,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:22:05,911 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 06:22:05,918 INFO L168 Benchmark]: Toolchain (without parser) took 125590.64 ms. Allocated memory was 143.7 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 92.5 MB in the beginning and 897.6 MB in the end (delta: -805.1 MB). Peak memory consumption was 260.2 MB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,919 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3351.63 ms. Allocated memory was 143.7 MB in the beginning and 272.1 MB in the end (delta: 128.5 MB). Free memory was 92.3 MB in the beginning and 222.2 MB in the end (delta: -129.9 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,920 INFO L168 Benchmark]: Boogie Preprocessor took 327.24 ms. Allocated memory is still 272.1 MB. Free memory was 222.2 MB in the beginning and 205.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,920 INFO L168 Benchmark]: RCFGBuilder took 6229.90 ms. Allocated memory was 272.1 MB in the beginning and 368.1 MB in the end (delta: 95.9 MB). Free memory was 205.5 MB in the beginning and 109.6 MB in the end (delta: 96.0 MB). Peak memory consumption was 246.4 MB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,921 INFO L168 Benchmark]: TraceAbstraction took 115676.73 ms. Allocated memory was 368.1 MB in the beginning and 1.2 GB in the end (delta: 841.0 MB). Free memory was 109.6 MB in the beginning and 897.6 MB in the end (delta: -788.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-10-07 06:22:05,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3351.63 ms. Allocated memory was 143.7 MB in the beginning and 272.1 MB in the end (delta: 128.5 MB). Free memory was 92.3 MB in the beginning and 222.2 MB in the end (delta: -129.9 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 327.24 ms. Allocated memory is still 272.1 MB. Free memory was 222.2 MB in the beginning and 205.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6229.90 ms. Allocated memory was 272.1 MB in the beginning and 368.1 MB in the end (delta: 95.9 MB). Free memory was 205.5 MB in the beginning and 109.6 MB in the end (delta: 96.0 MB). Peak memory consumption was 246.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115676.73 ms. Allocated memory was 368.1 MB in the beginning and 1.2 GB in the end (delta: 841.0 MB). Free memory was 109.6 MB in the beginning and 897.6 MB in the end (delta: -788.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...