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-efa34d5 [2019-09-16 17:10:43,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:10:43,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:10:43,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:10:43,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:10:43,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:10:43,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:10:43,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:10:43,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:10:43,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:10:43,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:10:43,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:10:43,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:10:43,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:10:43,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:10:43,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:10:43,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:10:43,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:10:43,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:10:43,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:10:43,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:10:43,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:10:43,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:10:43,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:10:43,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:10:43,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:10:43,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:10:43,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:10:43,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:10:43,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:10:43,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:10:43,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:10:43,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:10:43,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:10:43,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:10:43,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:10:43,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:10:43,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:10:43,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:10:43,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:10:43,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:10:43,981 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 [2019-09-16 17:10:43,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:10:43,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:10:43,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:10:43,997 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:10:43,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:10:43,998 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:10:43,998 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:10:43,998 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:10:43,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:10:43,999 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:10:44,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:10:44,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:10:44,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:10:44,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:10:44,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:10:44,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:10:44,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:10:44,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:10:44,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:10:44,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:10:44,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:10:44,002 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:10:44,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:10:44,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:10:44,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:10:44,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:10:44,003 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:10:44,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:10:44,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:10:44,003 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:10:44,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:10:44,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:10:44,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:10:44,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:10:44,062 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:10:44,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-16 17:10:44,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b723e9bf/b5e7099ad7874c94aab840d7ea1a9877/FLAGdd8d2c1bd [2019-09-16 17:10:45,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:10:45,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-16 17:10:45,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b723e9bf/b5e7099ad7874c94aab840d7ea1a9877/FLAGdd8d2c1bd [2019-09-16 17:10:45,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b723e9bf/b5e7099ad7874c94aab840d7ea1a9877 [2019-09-16 17:10:45,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:10:45,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:10:45,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:10:45,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:10:45,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:10:45,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:10:45" (1/1) ... [2019-09-16 17:10:45,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d85dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:45, skipping insertion in model container [2019-09-16 17:10:45,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:10:45" (1/1) ... [2019-09-16 17:10:45,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:10:45,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:10:47,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:10:47,368 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:10:47,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:10:48,192 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:10:48,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48 WrapperNode [2019-09-16 17:10:48,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:10:48,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:10:48,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:10:48,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:10:48,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (1/1) ... [2019-09-16 17:10:48,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:10:48,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:10:48,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:10:48,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:10:48,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (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 [2019-09-16 17:10:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:10:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:10:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-16 17:10:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-16 17:10:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-16 17:10:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-16 17:10:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-16 17:10:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-16 17:10:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-16 17:10:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-16 17:10:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-16 17:10:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-16 17:10:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-16 17:10:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-16 17:10:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-16 17:10:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:10:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:10:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-16 17:10:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-16 17:10:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-16 17:10:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-16 17:10:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-16 17:10:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-16 17:10:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-16 17:10:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-16 17:10:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-16 17:10:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-16 17:10:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-16 17:10:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-16 17:10:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-16 17:10:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-16 17:10:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-16 17:10:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-16 17:10:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-16 17:10:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-16 17:10:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_rx_done [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_irq_done [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_done [2019-09-16 17:10:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_start_xmit [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_timeout [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_done [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_done [2019-09-16 17:10:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stats_timer [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_set_multicast_list [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_settings [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_open [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_stop [2019-09-16 17:10:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_probe [2019-09-16 17:10:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_disconnect [2019-09-16 17:10:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2019-09-16 17:10:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2019-09-16 17:10:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-16 17:10:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-16 17:10:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:10:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-16 17:10:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-16 17:10:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-16 17:10:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:10:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-16 17:10:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:10:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-16 17:10:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-16 17:10:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-16 17:10:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-16 17:10:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-16 17:10:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-16 17:10:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:10:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-16 17:10:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-16 17:10:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-16 17:10:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-16 17:10:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-16 17:10:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:10:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:10:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:10:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-16 17:10:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:10:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-16 17:10:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-16 17:10:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-16 17:10:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-16 17:10:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-16 17:10:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-16 17:10:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:10:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-16 17:10:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-16 17:10:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:10:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-16 17:10:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-16 17:10:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:10:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-16 17:10:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-16 17:10:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-16 17:10:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:10:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-16 17:10:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-16 17:10:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:10:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-16 17:10:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-16 17:10:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-16 17:10:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-16 17:10:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-16 17:10:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 17:10:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-16 17:10:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-16 17:10:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-16 17:10:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-16 17:10:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-16 17:10:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-16 17:10:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-16 17:10:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-16 17:10:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-16 17:10:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-16 17:10:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:10:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-16 17:10:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-16 17:10:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-16 17:10:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-16 17:10:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_rx_done [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_irq_done [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_done [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_start_xmit [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_timeout [2019-09-16 17:10:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_done [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_done [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stats_timer [2019-09-16 17:10:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_set_multicast_list [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_settings [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_open [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_stop [2019-09-16 17:10:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure catc_probe [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure catc_disconnect [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:10:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:10:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:10:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-16 17:10:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-16 17:10:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-16 17:10:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-16 17:10:49,977 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:10:50,081 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-09-16 17:10:50,081 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-09-16 17:10:50,783 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-16 17:10:51,445 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:10:51,524 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-09-16 17:10:51,524 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-09-16 17:10:52,101 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-16 17:10:52,558 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2019-09-16 17:10:52,559 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2019-09-16 17:10:52,745 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:10:52,745 INFO L283 CfgBuilder]: Removed 46 assume(true) statements. [2019-09-16 17:10:52,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:10:52 BoogieIcfgContainer [2019-09-16 17:10:52,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:10:52,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:10:52,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:10:52,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:10:52,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:10:45" (1/3) ... [2019-09-16 17:10:52,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5818e738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:10:52, skipping insertion in model container [2019-09-16 17:10:52,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:10:48" (2/3) ... [2019-09-16 17:10:52,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5818e738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:10:52, skipping insertion in model container [2019-09-16 17:10:52,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:10:52" (3/3) ... [2019-09-16 17:10:52,759 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2019-09-16 17:10:52,772 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:10:52,786 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:10:52,799 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:10:52,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:10:52,824 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:10:52,824 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:10:52,824 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:10:52,824 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:10:52,824 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:10:52,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:10:52,824 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:10:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states. [2019-09-16 17:10:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-16 17:10:52,868 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:52,869 INFO L407 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] [2019-09-16 17:10:52,871 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:52,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:52,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1738340035, now seen corresponding path program 1 times [2019-09-16 17:10:52,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:52,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:52,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:52,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:52,967 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:10:53,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:53,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:10:53,530 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:53,535 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:10:53,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:10:53,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:10:53,554 INFO L87 Difference]: Start difference. First operand 881 states. Second operand 6 states. [2019-09-16 17:10:53,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:53,730 INFO L93 Difference]: Finished difference Result 679 states and 845 transitions. [2019-09-16 17:10:53,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:10:53,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-09-16 17:10:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:53,786 INFO L225 Difference]: With dead ends: 679 [2019-09-16 17:10:53,786 INFO L226 Difference]: Without dead ends: 667 [2019-09-16 17:10:53,788 INFO L636 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 [2019-09-16 17:10:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-09-16 17:10:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 666. [2019-09-16 17:10:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-09-16 17:10:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 830 transitions. [2019-09-16 17:10:53,941 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 830 transitions. Word has length 31 [2019-09-16 17:10:53,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:53,941 INFO L475 AbstractCegarLoop]: Abstraction has 666 states and 830 transitions. [2019-09-16 17:10:53,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:10:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 830 transitions. [2019-09-16 17:10:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-09-16 17:10:53,942 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:53,943 INFO L407 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] [2019-09-16 17:10:53,943 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:53,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:53,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1345313025, now seen corresponding path program 1 times [2019-09-16 17:10:53,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:53,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:53,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:53,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:53,968 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:10:54,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:54,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:10:54,156 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:54,158 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:10:54,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:10:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:10:54,159 INFO L87 Difference]: Start difference. First operand 666 states and 830 transitions. Second operand 3 states. [2019-09-16 17:10:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:54,279 INFO L93 Difference]: Finished difference Result 1296 states and 1625 transitions. [2019-09-16 17:10:54,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:10:54,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-09-16 17:10:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:54,293 INFO L225 Difference]: With dead ends: 1296 [2019-09-16 17:10:54,294 INFO L226 Difference]: Without dead ends: 1296 [2019-09-16 17:10:54,294 INFO L636 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 [2019-09-16 17:10:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-09-16 17:10:54,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1293. [2019-09-16 17:10:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1293 states. [2019-09-16 17:10:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1623 transitions. [2019-09-16 17:10:54,380 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1623 transitions. Word has length 31 [2019-09-16 17:10:54,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:54,381 INFO L475 AbstractCegarLoop]: Abstraction has 1293 states and 1623 transitions. [2019-09-16 17:10:54,381 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:10:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1623 transitions. [2019-09-16 17:10:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-16 17:10:54,382 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:54,382 INFO L407 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] [2019-09-16 17:10:54,383 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:54,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:54,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1245408959, now seen corresponding path program 1 times [2019-09-16 17:10:54,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:54,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:54,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,395 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:10:54,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:54,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:10:54,559 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:54,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:10:54,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:10:54,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:10:54,561 INFO L87 Difference]: Start difference. First operand 1293 states and 1623 transitions. Second operand 3 states. [2019-09-16 17:10:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:54,584 INFO L93 Difference]: Finished difference Result 1292 states and 1621 transitions. [2019-09-16 17:10:54,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:10:54,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-16 17:10:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:54,593 INFO L225 Difference]: With dead ends: 1292 [2019-09-16 17:10:54,594 INFO L226 Difference]: Without dead ends: 1282 [2019-09-16 17:10:54,594 INFO L636 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 [2019-09-16 17:10:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-09-16 17:10:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1277. [2019-09-16 17:10:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2019-09-16 17:10:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1601 transitions. [2019-09-16 17:10:54,640 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1601 transitions. Word has length 32 [2019-09-16 17:10:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:54,641 INFO L475 AbstractCegarLoop]: Abstraction has 1277 states and 1601 transitions. [2019-09-16 17:10:54,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:10:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1601 transitions. [2019-09-16 17:10:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-16 17:10:54,647 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:54,647 INFO L407 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] [2019-09-16 17:10:54,648 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:54,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1600299470, now seen corresponding path program 1 times [2019-09-16 17:10:54,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:54,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:54,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:10:54,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:54,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:10:54,796 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:54,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:10:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:10:54,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:10:54,797 INFO L87 Difference]: Start difference. First operand 1277 states and 1601 transitions. Second operand 3 states. [2019-09-16 17:10:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:54,842 INFO L93 Difference]: Finished difference Result 1351 states and 1725 transitions. [2019-09-16 17:10:54,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:10:54,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-16 17:10:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:54,852 INFO L225 Difference]: With dead ends: 1351 [2019-09-16 17:10:54,852 INFO L226 Difference]: Without dead ends: 1350 [2019-09-16 17:10:54,853 INFO L636 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 [2019-09-16 17:10:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2019-09-16 17:10:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2019-09-16 17:10:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2019-09-16 17:10:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1721 transitions. [2019-09-16 17:10:54,960 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1721 transitions. Word has length 81 [2019-09-16 17:10:54,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:54,962 INFO L475 AbstractCegarLoop]: Abstraction has 1348 states and 1721 transitions. [2019-09-16 17:10:54,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:10:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1721 transitions. [2019-09-16 17:10:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-09-16 17:10:54,970 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:54,970 INFO L407 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] [2019-09-16 17:10:54,971 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:54,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1037335878, now seen corresponding path program 1 times [2019-09-16 17:10:54,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:54,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:10:55,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:55,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:10:55,266 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:55,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:10:55,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:10:55,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:10:55,267 INFO L87 Difference]: Start difference. First operand 1348 states and 1721 transitions. Second operand 5 states. [2019-09-16 17:10:55,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:55,506 INFO L93 Difference]: Finished difference Result 1376 states and 1748 transitions. [2019-09-16 17:10:55,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:10:55,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2019-09-16 17:10:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:55,516 INFO L225 Difference]: With dead ends: 1376 [2019-09-16 17:10:55,517 INFO L226 Difference]: Without dead ends: 1362 [2019-09-16 17:10:55,517 INFO L636 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 [2019-09-16 17:10:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2019-09-16 17:10:55,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1350. [2019-09-16 17:10:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-09-16 17:10:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1718 transitions. [2019-09-16 17:10:55,571 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1718 transitions. Word has length 115 [2019-09-16 17:10:55,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:55,572 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1718 transitions. [2019-09-16 17:10:55,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:10:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1718 transitions. [2019-09-16 17:10:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-16 17:10:55,576 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:55,576 INFO L407 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] [2019-09-16 17:10:55,577 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:55,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1040217340, now seen corresponding path program 1 times [2019-09-16 17:10:55,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:55,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:55,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:55,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:55,588 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-09-16 17:10:55,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:10:55,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:10:55,885 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:55,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:10:55,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:10:55,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:10:55,886 INFO L87 Difference]: Start difference. First operand 1350 states and 1718 transitions. Second operand 7 states. [2019-09-16 17:10:57,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:57,560 INFO L93 Difference]: Finished difference Result 1362 states and 1739 transitions. [2019-09-16 17:10:57,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:10:57,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2019-09-16 17:10:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:57,573 INFO L225 Difference]: With dead ends: 1362 [2019-09-16 17:10:57,574 INFO L226 Difference]: Without dead ends: 1352 [2019-09-16 17:10:57,575 INFO L636 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 [2019-09-16 17:10:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2019-09-16 17:10:57,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1350. [2019-09-16 17:10:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2019-09-16 17:10:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1716 transitions. [2019-09-16 17:10:57,638 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1716 transitions. Word has length 171 [2019-09-16 17:10:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:57,638 INFO L475 AbstractCegarLoop]: Abstraction has 1350 states and 1716 transitions. [2019-09-16 17:10:57,639 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:10:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1716 transitions. [2019-09-16 17:10:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-16 17:10:57,644 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:10:57,645 INFO L407 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] [2019-09-16 17:10:57,645 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:10:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:57,645 INFO L82 PathProgramCache]: Analyzing trace with hash -94446840, now seen corresponding path program 1 times [2019-09-16 17:10:57,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:10:57,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:57,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:10:57,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:10:57,654 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:10:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:10:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-09-16 17:10:57,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:10:57,963 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:10:57,964 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2019-09-16 17:10:57,967 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] [2019-09-16 17:10:58,031 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:10:58,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:10:58,115 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:10:58,117 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. [2019-09-16 17:10:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:10:58,122 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:10:58,190 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:10:58,191 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:10:58,199 INFO L420 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-09-16 17:10:58,199 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:10:58,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:10:58,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-16 17:10:58,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:10:58,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:10:58,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:10:58,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:10:58,202 INFO L87 Difference]: Start difference. First operand 1350 states and 1716 transitions. Second operand 2 states. [2019-09-16 17:10:58,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:10:58,202 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:10:58,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:10:58,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-09-16 17:10:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:10:58,203 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:10:58,203 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:10:58,204 INFO L636 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 [2019-09-16 17:10:58,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:10:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:10:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:10:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:10:58,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-09-16 17:10:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:10:58,205 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:10:58,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:10:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:10:58,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:10:58,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:10:58 BoogieIcfgContainer [2019-09-16 17:10:58,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:10:58,214 INFO L168 Benchmark]: Toolchain (without parser) took 12672.78 ms. Allocated memory was 138.9 MB in the beginning and 456.7 MB in the end (delta: 317.7 MB). Free memory was 75.6 MB in the beginning and 55.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 338.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,215 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 103.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2652.11 ms. Allocated memory was 138.9 MB in the beginning and 275.3 MB in the end (delta: 136.3 MB). Free memory was 75.4 MB in the beginning and 229.7 MB in the end (delta: -154.3 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,217 INFO L168 Benchmark]: Boogie Preprocessor took 321.68 ms. Allocated memory is still 275.3 MB. Free memory was 229.7 MB in the beginning and 213.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,218 INFO L168 Benchmark]: RCFGBuilder took 4230.92 ms. Allocated memory was 275.3 MB in the beginning and 378.0 MB in the end (delta: 102.8 MB). Free memory was 213.5 MB in the beginning and 280.2 MB in the end (delta: -66.6 MB). Peak memory consumption was 261.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,219 INFO L168 Benchmark]: TraceAbstraction took 5462.59 ms. Allocated memory was 378.0 MB in the beginning and 456.7 MB in the end (delta: 78.6 MB). Free memory was 280.2 MB in the beginning and 55.0 MB in the end (delta: 225.1 MB). Peak memory consumption was 303.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:10:58,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 103.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2652.11 ms. Allocated memory was 138.9 MB in the beginning and 275.3 MB in the end (delta: 136.3 MB). Free memory was 75.4 MB in the beginning and 229.7 MB in the end (delta: -154.3 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 321.68 ms. Allocated memory is still 275.3 MB. Free memory was 229.7 MB in the beginning and 213.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4230.92 ms. Allocated memory was 275.3 MB in the beginning and 378.0 MB in the end (delta: 102.8 MB). Free memory was 213.5 MB in the beginning and 280.2 MB in the end (delta: -66.6 MB). Peak memory consumption was 261.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5462.59 ms. Allocated memory was 378.0 MB in the beginning and 456.7 MB in the end (delta: 78.6 MB). Free memory was 280.2 MB in the beginning and 55.0 MB in the end (delta: 225.1 MB). Peak memory consumption was 303.8 MB. 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, 5.3s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5288 SDtfs, 1723 SDslu, 11212 SDs, 0 SdLazy, 279 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s 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, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.198830409356725 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s 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...