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 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:20:20,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:20:20,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:20:20,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:20:20,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:20:20,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:20:20,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:20:20,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:20:20,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:20:20,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:20:20,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:20:20,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:20:20,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:20:20,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:20:20,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:20:20,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:20:20,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:20:20,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:20:20,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:20:20,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:20:20,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:20:20,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:20:20,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:20:20,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:20:20,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:20:20,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:20:20,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:20:20,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:20:20,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:20:20,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:20:20,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:20:20,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:20:20,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:20:20,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:20:20,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:20:20,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:20:20,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:20:20,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:20:20,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:20:20,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:20:20,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:20:20,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:20:20,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:20:20,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:20:20,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:20:20,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:20:20,660 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:20:20,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:20:20,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:20:20,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:20:20,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:20:20,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:20:20,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:20:20,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:20:20,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:20:20,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:20:20,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:20:20,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:20:20,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:20:20,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:20:20,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:20:20,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:20:20,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:20:20,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:20:20,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:20:20,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:20:20,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:20:20,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:20:20,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:20:20,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:20:20,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:20:21,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:20:21,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:20:21,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:20:21,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:20:21,044 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:20:21,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 18:20:21,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b/FLAG3f2e8773b [2019-10-13 18:20:21,824 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:20:21,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 18:20:21,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b/FLAG3f2e8773b [2019-10-13 18:20:21,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc1aab6c/8fb1b4c0d37a4aa7801bf7f3b339625b [2019-10-13 18:20:21,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:20:21,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:20:21,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:20:21,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:20:21,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:20:21,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:21" (1/1) ... [2019-10-13 18:20:21,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e8954d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:21, skipping insertion in model container [2019-10-13 18:20:21,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:20:21" (1/1) ... [2019-10-13 18:20:21,934 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:20:22,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:20:23,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:20:23,668 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:20:23,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:20:24,728 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:20:24,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24 WrapperNode [2019-10-13 18:20:24,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:20:24,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:20:24,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:20:24,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:20:24,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:24,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... [2019-10-13 18:20:25,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:20:25,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:20:25,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:20:25,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:20:25,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:20:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:20:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:20:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:20:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 18:20:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 18:20:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 18:20:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 18:20:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 18:20:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-13 18:20:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 18:20:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-13 18:20:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 18:20:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 18:20:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 18:20:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-13 18:20:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:20:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 18:20:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-13 18:20:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-13 18:20:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-13 18:20:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 18:20:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 18:20:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 18:20:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 18:20:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 18:20:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-10-13 18:20:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-10-13 18:20:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-13 18:20:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 18:20:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 18:20:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 18:20:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 18:20:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 18:20:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 18:20:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:20:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:20:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 18:20:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 18:20:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 18:20:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 18:20:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 18:20:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 18:20:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:20:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-13 18:20:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:20:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 18:20:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 18:20:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:20:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 18:20:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-10-13 18:20:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:20:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:20:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-10-13 18:20:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 18:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 18:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 18:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 18:20:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 18:20:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 18:20:26,245 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:26,328 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-13 18:20:26,329 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-13 18:20:26,753 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-13 18:20:27,504 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:27,592 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-13 18:20:27,593 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-13 18:20:28,107 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:20:28,341 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-10-13 18:20:28,342 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-10-13 18:20:28,505 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:20:28,505 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-13 18:20:28,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:28 BoogieIcfgContainer [2019-10-13 18:20:28,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:20:28,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:20:28,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:20:28,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:20:28,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:20:21" (1/3) ... [2019-10-13 18:20:28,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:28, skipping insertion in model container [2019-10-13 18:20:28,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:20:24" (2/3) ... [2019-10-13 18:20:28,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1582ee9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:20:28, skipping insertion in model container [2019-10-13 18:20:28,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:20:28" (3/3) ... [2019-10-13 18:20:28,516 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-13 18:20:28,525 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:20:28,536 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:20:28,546 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:20:28,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:20:28,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:20:28,580 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:20:28,587 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:20:28,587 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:20:28,587 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:20:28,587 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:20:28,587 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:20:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states. [2019-10-13 18:20:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 18:20:28,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:28,630 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:28,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:28,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:28,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1738340035, now seen corresponding path program 1 times [2019-10-13 18:20:28,702 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:28,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851397593] [2019-10-13 18:20:28,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:28,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:28,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,714 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 18:20:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:29,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851397593] [2019-10-13 18:20:29,907 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:29,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:20:29,907 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664896653] [2019-10-13 18:20:29,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:20:29,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:29,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:20:29,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:20:29,929 INFO L87 Difference]: Start difference. First operand 881 states. Second operand 7 states. [2019-10-13 18:20:31,258 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2019-10-13 18:20:31,650 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-10-13 18:20:39,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:39,805 INFO L93 Difference]: Finished difference Result 1340 states and 1851 transitions. [2019-10-13 18:20:39,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:20:39,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-10-13 18:20:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:39,832 INFO L225 Difference]: With dead ends: 1340 [2019-10-13 18:20:39,832 INFO L226 Difference]: Without dead ends: 682 [2019-10-13 18:20:39,842 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:20:39,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2019-10-13 18:20:39,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 666. [2019-10-13 18:20:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-13 18:20:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 830 transitions. [2019-10-13 18:20:40,009 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 830 transitions. Word has length 31 [2019-10-13 18:20:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:40,009 INFO L462 AbstractCegarLoop]: Abstraction has 666 states and 830 transitions. [2019-10-13 18:20:40,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:20:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 830 transitions. [2019-10-13 18:20:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 18:20:40,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:40,011 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:40,011 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:40,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:40,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1345313025, now seen corresponding path program 1 times [2019-10-13 18:20:40,012 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:40,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595739950] [2019-10-13 18:20:40,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:40,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:40,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,537 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 18:20:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:40,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595739950] [2019-10-13 18:20:40,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:40,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 18:20:40,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075981512] [2019-10-13 18:20:40,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 18:20:40,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:40,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 18:20:40,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 18:20:40,670 INFO L87 Difference]: Start difference. First operand 666 states and 830 transitions. Second operand 4 states. [2019-10-13 18:20:41,398 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-13 18:20:50,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:50,917 INFO L93 Difference]: Finished difference Result 1945 states and 2473 transitions. [2019-10-13 18:20:50,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 18:20:50,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-10-13 18:20:50,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:50,930 INFO L225 Difference]: With dead ends: 1945 [2019-10-13 18:20:50,931 INFO L226 Difference]: Without dead ends: 1311 [2019-10-13 18:20:50,934 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:20:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2019-10-13 18:20:51,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1295. [2019-10-13 18:20:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2019-10-13 18:20:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1628 transitions. [2019-10-13 18:20:51,146 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1628 transitions. Word has length 31 [2019-10-13 18:20:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:51,146 INFO L462 AbstractCegarLoop]: Abstraction has 1295 states and 1628 transitions. [2019-10-13 18:20:51,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 18:20:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1628 transitions. [2019-10-13 18:20:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 18:20:51,148 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:51,148 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:51,148 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:51,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1245408959, now seen corresponding path program 1 times [2019-10-13 18:20:51,149 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:51,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346337109] [2019-10-13 18:20:51,149 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:51,150 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:51,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,588 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 18:20:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:51,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346337109] [2019-10-13 18:20:51,686 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:51,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 18:20:51,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571422933] [2019-10-13 18:20:51,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 18:20:51,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:51,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 18:20:51,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 18:20:51,688 INFO L87 Difference]: Start difference. First operand 1295 states and 1628 transitions. Second operand 4 states. [2019-10-13 18:20:52,229 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-13 18:20:56,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:56,775 INFO L93 Difference]: Finished difference Result 1310 states and 1660 transitions. [2019-10-13 18:20:56,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 18:20:56,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-13 18:20:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:56,785 INFO L225 Difference]: With dead ends: 1310 [2019-10-13 18:20:56,786 INFO L226 Difference]: Without dead ends: 1297 [2019-10-13 18:20:56,787 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:20:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2019-10-13 18:20:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1279. [2019-10-13 18:20:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-10-13 18:20:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1606 transitions. [2019-10-13 18:20:56,971 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1606 transitions. Word has length 32 [2019-10-13 18:20:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:56,971 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1606 transitions. [2019-10-13 18:20:56,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 18:20:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1606 transitions. [2019-10-13 18:20:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 18:20:56,978 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:56,978 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:56,978 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:56,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:56,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1600299470, now seen corresponding path program 1 times [2019-10-13 18:20:56,979 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:56,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069594029] [2019-10-13 18:20:56,979 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:56,979 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:56,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,411 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 18:20:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:57,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069594029] [2019-10-13 18:20:57,518 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:57,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 18:20:57,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457968335] [2019-10-13 18:20:57,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 18:20:57,520 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:57,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 18:20:57,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 18:20:57,520 INFO L87 Difference]: Start difference. First operand 1279 states and 1606 transitions. Second operand 4 states.