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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:37:04,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:37:04,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:37:04,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:37:04,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:37:04,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:37:04,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:37:04,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:37:04,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:37:04,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:37:04,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:37:04,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:37:04,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:37:04,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:37:04,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:37:04,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:37:04,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:37:04,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:37:04,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:37:04,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:37:04,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:37:04,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:37:04,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:37:04,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:37:04,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:37:04,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:37:04,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:37:04,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:37:04,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:37:04,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:37:04,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:37:04,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:37:04,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:37:04,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:37:04,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:37:04,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:37:04,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:37:04,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:37:04,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:37:04,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:37:04,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:37:04,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:37:04,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:37:04,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:37:04,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:37:04,926 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:37:04,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:37:04,927 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:37:04,928 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:37:04,928 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:37:04,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:37:04,929 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:37:04,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:37:04,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:37:04,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:37:04,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:37:04,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:37:04,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:37:04,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:37:04,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:37:04,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:37:04,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:37:04,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:37:04,933 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:37:04,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:37:04,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:37:04,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:37:04,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:37:04,934 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:37:04,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:37:04,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:37:04,935 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:37:04,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:37:04,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:37:04,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:37:04,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:37:04,995 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:37:04,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-02 23:37:05,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3f36dfb/4304eadbd32d4a4ab478c9343f66dfd1/FLAG17fc00ef1 [2019-10-02 23:37:06,179 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:37:06,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-02 23:37:06,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3f36dfb/4304eadbd32d4a4ab478c9343f66dfd1/FLAG17fc00ef1 [2019-10-02 23:37:06,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3f36dfb/4304eadbd32d4a4ab478c9343f66dfd1 [2019-10-02 23:37:06,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:37:06,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:37:06,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:37:06,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:37:06,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:37:06,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f324344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:06, skipping insertion in model container [2019-10-02 23:37:06,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:37:06" (1/1) ... [2019-10-02 23:37:06,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:37:06,699 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:37:08,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:37:08,941 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:37:09,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:37:10,250 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:37:10,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10 WrapperNode [2019-10-02 23:37:10,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:37:10,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:37:10,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:37:10,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:37:10,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... [2019-10-02 23:37:10,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:37:10,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:37:10,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:37:10,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:37:10,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:37:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:37:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:37:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:37:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 23:37:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 23:37:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 23:37:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 23:37:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 23:37:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-02 23:37:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-02 23:37:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-02 23:37:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 23:37:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 23:37:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-02 23:37:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-02 23:37:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 23:37:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 23:37:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-02 23:37:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-02 23:37:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 23:37:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 23:37:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 23:37:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 23:37:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-02 23:37:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-02 23:37:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-10-02 23:37:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-10-02 23:37:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-10-02 23:37:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-02 23:37:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-02 23:37:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 23:37:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:37:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 23:37:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-02 23:37:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-02 23:37:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 23:37:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 23:37:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 23:37:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 23:37:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-02 23:37:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-02 23:37:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-02 23:37:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 23:37:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:37:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:37:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 23:37:10,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 23:37:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:37:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 23:37:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:37:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 23:37:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-02 23:37:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-02 23:37:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-02 23:37:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 23:37:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 23:37:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-02 23:37:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 23:37:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-02 23:37:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 23:37:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-10-02 23:37:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-10-02 23:37:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-10-02 23:37:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-10-02 23:37:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-02 23:37:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:37:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 23:37:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 23:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 23:37:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 23:37:12,243 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 23:37:12,383 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-10-02 23:37:12,383 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-10-02 23:37:13,283 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-02 23:37:14,249 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 23:37:14,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-02 23:37:14,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-02 23:37:15,354 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-02 23:37:15,861 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-10-02 23:37:15,861 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-10-02 23:37:16,126 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:37:16,127 INFO L283 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-02 23:37:16,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:37:16 BoogieIcfgContainer [2019-10-02 23:37:16,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:37:16,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:37:16,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:37:16,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:37:16,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:37:06" (1/3) ... [2019-10-02 23:37:16,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512e246d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:37:16, skipping insertion in model container [2019-10-02 23:37:16,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:37:10" (2/3) ... [2019-10-02 23:37:16,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512e246d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:37:16, skipping insertion in model container [2019-10-02 23:37:16,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:37:16" (3/3) ... [2019-10-02 23:37:16,147 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-10-02 23:37:16,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:37:16,181 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:37:16,209 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:37:16,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:37:16,251 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:37:16,251 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:37:16,251 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:37:16,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:37:16,251 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:37:16,251 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:37:16,252 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:37:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states. [2019-10-02 23:37:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-02 23:37:16,315 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:16,316 INFO L411 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] [2019-10-02 23:37:16,320 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1738340035, now seen corresponding path program 1 times [2019-10-02 23:37:16,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:16,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:16,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:16,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:16,435 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:17,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:17,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 23:37:17,073 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:17,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 23:37:17,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 23:37:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 23:37:17,108 INFO L87 Difference]: Start difference. First operand 881 states. Second operand 6 states. [2019-10-02 23:37:17,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:17,377 INFO L93 Difference]: Finished difference Result 679 states and 845 transitions. [2019-10-02 23:37:17,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 23:37:17,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-10-02 23:37:17,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:17,412 INFO L225 Difference]: With dead ends: 679 [2019-10-02 23:37:17,413 INFO L226 Difference]: Without dead ends: 667 [2019-10-02 23:37:17,415 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:37:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-10-02 23:37:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 666. [2019-10-02 23:37:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-02 23:37:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 830 transitions. [2019-10-02 23:37:17,562 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 830 transitions. Word has length 31 [2019-10-02 23:37:17,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:17,563 INFO L475 AbstractCegarLoop]: Abstraction has 666 states and 830 transitions. [2019-10-02 23:37:17,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 23:37:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 830 transitions. [2019-10-02 23:37:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-02 23:37:17,565 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:17,565 INFO L411 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] [2019-10-02 23:37:17,565 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:17,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:17,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1345313025, now seen corresponding path program 1 times [2019-10-02 23:37:17,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:17,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:17,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:17,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:17,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:17,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:17,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:37:17,839 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:17,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:37:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:37:17,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:17,842 INFO L87 Difference]: Start difference. First operand 666 states and 830 transitions. Second operand 3 states. [2019-10-02 23:37:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:17,934 INFO L93 Difference]: Finished difference Result 1296 states and 1625 transitions. [2019-10-02 23:37:17,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:37:17,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-02 23:37:17,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:17,950 INFO L225 Difference]: With dead ends: 1296 [2019-10-02 23:37:17,951 INFO L226 Difference]: Without dead ends: 1296 [2019-10-02 23:37:17,952 INFO L640 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 [2019-10-02 23:37:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-10-02 23:37:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1293. [2019-10-02 23:37:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1293 states. [2019-10-02 23:37:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1623 transitions. [2019-10-02 23:37:18,106 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1623 transitions. Word has length 31 [2019-10-02 23:37:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:18,106 INFO L475 AbstractCegarLoop]: Abstraction has 1293 states and 1623 transitions. [2019-10-02 23:37:18,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:37:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1623 transitions. [2019-10-02 23:37:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-02 23:37:18,108 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:18,108 INFO L411 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] [2019-10-02 23:37:18,108 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:18,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1245408959, now seen corresponding path program 1 times [2019-10-02 23:37:18,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:18,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:18,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,133 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:18,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:18,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:37:18,311 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:18,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:37:18,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:37:18,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:18,313 INFO L87 Difference]: Start difference. First operand 1293 states and 1623 transitions. Second operand 3 states. [2019-10-02 23:37:18,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:18,340 INFO L93 Difference]: Finished difference Result 1292 states and 1621 transitions. [2019-10-02 23:37:18,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:37:18,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-02 23:37:18,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:18,350 INFO L225 Difference]: With dead ends: 1292 [2019-10-02 23:37:18,351 INFO L226 Difference]: Without dead ends: 1282 [2019-10-02 23:37:18,352 INFO L640 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 [2019-10-02 23:37:18,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-10-02 23:37:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1277. [2019-10-02 23:37:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2019-10-02 23:37:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1601 transitions. [2019-10-02 23:37:18,415 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1601 transitions. Word has length 32 [2019-10-02 23:37:18,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:18,415 INFO L475 AbstractCegarLoop]: Abstraction has 1277 states and 1601 transitions. [2019-10-02 23:37:18,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:37:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1601 transitions. [2019-10-02 23:37:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-02 23:37:18,422 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:18,423 INFO L411 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] [2019-10-02 23:37:18,423 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:18,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:18,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1600299470, now seen corresponding path program 1 times [2019-10-02 23:37:18,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:18,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:18,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:37:18,608 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:18,608 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:37:18,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:37:18,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:37:18,609 INFO L87 Difference]: Start difference. First operand 1277 states and 1601 transitions. Second operand 3 states. [2019-10-02 23:37:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:18,672 INFO L93 Difference]: Finished difference Result 1351 states and 1725 transitions. [2019-10-02 23:37:18,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:37:18,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-10-02 23:37:18,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:18,683 INFO L225 Difference]: With dead ends: 1351 [2019-10-02 23:37:18,684 INFO L226 Difference]: Without dead ends: 1350 [2019-10-02 23:37:18,684 INFO L640 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 [2019-10-02 23:37:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2019-10-02 23:37:18,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2019-10-02 23:37:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2019-10-02 23:37:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1721 transitions. [2019-10-02 23:37:18,819 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1721 transitions. Word has length 81 [2019-10-02 23:37:18,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:18,821 INFO L475 AbstractCegarLoop]: Abstraction has 1348 states and 1721 transitions. [2019-10-02 23:37:18,821 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:37:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1721 transitions. [2019-10-02 23:37:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-02 23:37:18,834 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:18,834 INFO L411 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:37:18,835 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:18,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:18,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1037335878, now seen corresponding path program 1 times [2019-10-02 23:37:18,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:18,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:18,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:18,848 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:37:19,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:19,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:37:19,122 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:19,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:37:19,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:37:19,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:37:19,126 INFO L87 Difference]: Start difference. First operand 1348 states and 1721 transitions. Second operand 5 states. [2019-10-02 23:37:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:19,405 INFO L93 Difference]: Finished difference Result 1376 states and 1748 transitions. [2019-10-02 23:37:19,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:37:19,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2019-10-02 23:37:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:19,417 INFO L225 Difference]: With dead ends: 1376 [2019-10-02 23:37:19,417 INFO L226 Difference]: Without dead ends: 1362 [2019-10-02 23:37:19,418 INFO L640 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 [2019-10-02 23:37:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2019-10-02 23:37:19,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1350. [2019-10-02 23:37:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-10-02 23:37:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1718 transitions. [2019-10-02 23:37:19,477 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1718 transitions. Word has length 115 [2019-10-02 23:37:19,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:19,478 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1718 transitions. [2019-10-02 23:37:19,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:37:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1718 transitions. [2019-10-02 23:37:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-02 23:37:19,482 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:19,482 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:37:19,483 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:19,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:19,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1040217340, now seen corresponding path program 1 times [2019-10-02 23:37:19,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:19,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:19,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:19,495 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-02 23:37:19,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:37:19,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:37:19,810 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:19,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:37:19,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:37:19,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:37:19,811 INFO L87 Difference]: Start difference. First operand 1350 states and 1718 transitions. Second operand 7 states. [2019-10-02 23:37:22,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:22,071 INFO L93 Difference]: Finished difference Result 1362 states and 1739 transitions. [2019-10-02 23:37:22,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 23:37:22,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2019-10-02 23:37:22,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:22,085 INFO L225 Difference]: With dead ends: 1362 [2019-10-02 23:37:22,085 INFO L226 Difference]: Without dead ends: 1352 [2019-10-02 23:37:22,086 INFO L640 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 [2019-10-02 23:37:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2019-10-02 23:37:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1350. [2019-10-02 23:37:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-10-02 23:37:22,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1716 transitions. [2019-10-02 23:37:22,150 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1716 transitions. Word has length 171 [2019-10-02 23:37:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:22,151 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1716 transitions. [2019-10-02 23:37:22,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:37:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1716 transitions. [2019-10-02 23:37:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-02 23:37:22,155 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:37:22,155 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:37:22,156 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:37:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:22,156 INFO L82 PathProgramCache]: Analyzing trace with hash -94446840, now seen corresponding path program 1 times [2019-10-02 23:37:22,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:37:22,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:22,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:37:22,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:37:22,168 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:37:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:37:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-10-02 23:37:22,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:37:22,556 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:37:22,558 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2019-10-02 23:37:22,561 INFO L207 CegarAbsIntRunner]: [6], [7], [84], [87], [88], [92], [93], [640], [641], [646], [647], [677], [680], [685], [694], [696], [699], [713], [718], [723], [728], [733], [738], [743], [748], [751], [810], [1082], [1083], [1088], [1097], [1104], [1108], [1113], [1140], [1142], [1143], [1150], [1152], [1155], [1159], [1160], [1294], [1322], [1323], [1359], [1361], [1363], [1367], [1369], [1373], [1375], [1384], [1387], [1396], [1412], [1415], [1424], [1440], [1446], [1448], [1450], [1452], [1454], [1459], [1462], [1474], [1911], [1912], [1913], [1915], [1916], [1926], [1927], [1942], [1943], [1944], [1953], [1956], [1959], [1964], [2105], [2106], [2107], [2108], [2127], [2193], [2197], [2198], [2203], [2204], [2261], [2262], [2263], [2264], [2265], [2266], [2267], [2268], [2269], [2270], [2271], [2272], [2273], [2274], [2275], [2276], [2277], [2278], [2279], [2280], [2281], [2282], [2283], [2284], [2285], [2286], [2287], [2397], [2398], [2401], [2402], [2407], [2408], [2415], [2416], [2417] [2019-10-02 23:37:22,642 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 23:37:22,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 23:37:22,781 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 23:37:22,783 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 82 root evaluator evaluations with a maximum evaluation depth of 0. Performed 82 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 186 variables. [2019-10-02 23:37:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:37:22,790 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 23:37:22,963 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-02 23:37:22,963 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 23:37:22,972 INFO L420 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-10-02 23:37:22,972 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 23:37:22,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 23:37:22,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-02 23:37:22,974 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:37:22,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 23:37:22,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 23:37:22,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:37:22,976 INFO L87 Difference]: Start difference. First operand 1350 states and 1716 transitions. Second operand 2 states. [2019-10-02 23:37:22,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:37:22,977 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-02 23:37:22,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 23:37:22,978 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-02 23:37:22,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:37:22,979 INFO L225 Difference]: With dead ends: 2 [2019-10-02 23:37:22,979 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:37:22,979 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:37:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:37:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:37:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:37:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:37:22,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-02 23:37:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:37:22,981 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:37:22,981 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 23:37:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:37:22,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:37:22,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:37:22 BoogieIcfgContainer [2019-10-02 23:37:22,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:37:22,994 INFO L168 Benchmark]: Toolchain (without parser) took 16482.76 ms. Allocated memory was 138.4 MB in the beginning and 454.6 MB in the end (delta: 316.1 MB). Free memory was 75.8 MB in the beginning and 376.8 MB in the end (delta: -301.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:22,995 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 23:37:22,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3740.97 ms. Allocated memory was 138.4 MB in the beginning and 277.9 MB in the end (delta: 139.5 MB). Free memory was 75.6 MB in the beginning and 234.2 MB in the end (delta: -158.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:23,001 INFO L168 Benchmark]: Boogie Preprocessor took 335.31 ms. Allocated memory is still 277.9 MB. Free memory was 234.2 MB in the beginning and 216.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:23,003 INFO L168 Benchmark]: RCFGBuilder took 5541.89 ms. Allocated memory was 277.9 MB in the beginning and 376.4 MB in the end (delta: 98.6 MB). Free memory was 216.6 MB in the beginning and 278.3 MB in the end (delta: -61.7 MB). Peak memory consumption was 262.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:37:23,005 INFO L168 Benchmark]: TraceAbstraction took 6858.09 ms. Allocated memory was 376.4 MB in the beginning and 454.6 MB in the end (delta: 78.1 MB). Free memory was 278.3 MB in the beginning and 376.8 MB in the end (delta: -98.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-02 23:37:23,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3740.97 ms. Allocated memory was 138.4 MB in the beginning and 277.9 MB in the end (delta: 139.5 MB). Free memory was 75.6 MB in the beginning and 234.2 MB in the end (delta: -158.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 335.31 ms. Allocated memory is still 277.9 MB. Free memory was 234.2 MB in the beginning and 216.6 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5541.89 ms. Allocated memory was 277.9 MB in the beginning and 376.4 MB in the end (delta: 98.6 MB). Free memory was 216.6 MB in the beginning and 278.3 MB in the end (delta: -61.7 MB). Peak memory consumption was 262.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6858.09 ms. Allocated memory was 376.4 MB in the beginning and 454.6 MB in the end (delta: 78.1 MB). Free memory was 278.3 MB in the beginning and 376.8 MB in the end (delta: -98.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 108 procedures, 933 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5288 SDtfs, 1723 SDslu, 11212 SDs, 0 SdLazy, 279 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1350occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.198830409356725 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 633 NumberOfCodeBlocks, 633 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 120192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 210/216 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...