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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:03:01,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:03:01,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:03:01,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:03:01,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:03:01,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:03:01,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:03:01,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:03:01,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:03:01,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:03:01,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:03:01,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:03:01,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:03:01,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:03:01,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:03:01,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:03:01,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:03:01,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:03:01,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:03:01,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:03:01,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:03:01,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:03:01,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:03:01,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:03:01,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:03:01,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:03:01,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:03:01,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:03:01,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:03:01,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:03:01,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:03:01,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:03:01,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:03:01,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:03:01,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:03:01,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:03:01,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:03:01,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:03:01,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:03:01,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:03:01,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:03:01,920 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 [2019-09-10 11:03:01,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:03:01,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:03:01,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:03:01,936 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:03:01,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:03:01,937 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:03:01,937 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:03:01,938 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:03:01,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:03:01,938 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:03:01,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:03:01,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:03:01,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:03:01,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:03:01,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:03:01,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:03:01,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:03:01,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:03:01,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:03:01,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:03:01,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:03:01,941 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:03:01,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:03:01,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:03:01,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:03:01,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:03:01,942 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:03:01,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:03:01,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:03:01,943 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:03:01,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:03:01,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:03:01,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:03:01,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:03:01,990 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:03:01,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2019-09-10 11:03:02,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2580b31db/26cb27035539440784750287c1ef2797/FLAG0832e3e0a [2019-09-10 11:03:02,917 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:03:02,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2019-09-10 11:03:02,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2580b31db/26cb27035539440784750287c1ef2797/FLAG0832e3e0a [2019-09-10 11:03:03,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2580b31db/26cb27035539440784750287c1ef2797 [2019-09-10 11:03:03,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:03:03,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:03:03,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:03:03,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:03:03,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:03:03,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:03:03" (1/1) ... [2019-09-10 11:03:03,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf5c5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:03, skipping insertion in model container [2019-09-10 11:03:03,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:03:03" (1/1) ... [2019-09-10 11:03:03,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:03:03,637 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:03:05,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:03:05,528 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:03:06,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:03:06,174 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:03:06,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06 WrapperNode [2019-09-10 11:03:06,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:03:06,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:03:06,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:03:06,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:03:06,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (1/1) ... [2019-09-10 11:03:06,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:03:06,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:03:06,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:03:06,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:03:06,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (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 [2019-09-10 11:03:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:03:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:03:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-10 11:03:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-10 11:03:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-10 11:03:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 11:03:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 11:03:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 11:03:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 11:03:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:03:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:03:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:03:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 11:03:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 11:03:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-09-10 11:03:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2019-09-10 11:03:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-10 11:03:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-10 11:03:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-10 11:03:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-09-10 11:03:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 11:03:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-09-10 11:03:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:03:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:03:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:03:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:03:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 11:03:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-09-10 11:03:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure q922_to_dlci [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dlci_to_q922 [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure find_pvc [2019-09-10 11:03:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pvc [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_is_used [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_carrier [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_unused_pvcs [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_p [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_hard_header [2019-09-10 11:03:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_open [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_close [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_ioctl [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_xmit [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_log_dlci_active [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_nextseq [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_send [2019-09-10 11:03:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_set_link_state [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_timer [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_recv [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_rx [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_start [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_stop [2019-09-10 11:03:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_close [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_setup [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_add_pvc [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_del_pvc [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_destroy [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_ioctl [2019-09-10 11:03:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2019-09-10 11:03:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2019-09-10 11:03:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-09-10 11:03:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_2 [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:03:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 11:03:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 11:03:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 11:03:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 11:03:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 11:03:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2019-09-10 11:03:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-09-10 11:03:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_14 [2019-09-10 11:03:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:03:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:03:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:03:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 11:03:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:03:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:03:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-10 11:03:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2019-09-10 11:03:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-10 11:03:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-10 11:03:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-09-10 11:03:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2019-09-10 11:03:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-10 11:03:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 11:03:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-10 11:03:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2019-09-10 11:03:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2019-09-10 11:03:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-09-10 11:03:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-09-10 11:03:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_2 [2019-09-10 11:03:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2019-09-10 11:03:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2019-09-10 11:03:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 11:03:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 11:03:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-10 11:03:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 11:03:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-10 11:03:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-10 11:03:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 11:03:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2019-09-10 11:03:06,626 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2019-09-10 11:03:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-09-10 11:03:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:03:06,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:03:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:03:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:03:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:03:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:03:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:03:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-10 11:03:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 11:03:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 11:03:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:03:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 11:03:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-10 11:03:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_14 [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:03:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-10 11:03:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2019-09-10 11:03:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 11:03:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-09-10 11:03:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:03:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:03:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-10 11:03:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_2 [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-09-10 11:03:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-10 11:03:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 11:03:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2019-09-10 11:03:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure fr_ioctl [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure q922_to_dlci [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure dlci_to_q922 [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure state [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure find_pvc [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure add_pvc [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_is_used [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_carrier [2019-09-10 11:03:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure delete_unused_pvcs [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_p [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure fr_hard_header [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_open [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_close [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_ioctl [2019-09-10 11:03:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:03:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:03:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_xmit [2019-09-10 11:03:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:03:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure fr_log_dlci_active [2019-09-10 11:03:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_nextseq [2019-09-10 11:03:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_send [2019-09-10 11:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure fr_set_link_state [2019-09-10 11:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure fr_timer [2019-09-10 11:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_recv [2019-09-10 11:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure fr_rx [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure fr_start [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure fr_stop [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure fr_close [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_setup [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure fr_add_pvc [2019-09-10 11:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure fr_del_pvc [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure fr_destroy [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_2 [2019-09-10 11:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 11:03:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:03:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 11:03:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:03:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:03:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:03:07,962 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:04:54,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:04:54,296 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 11:04:54,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:04:54 BoogieIcfgContainer [2019-09-10 11:04:54,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:04:54,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:04:54,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:04:54,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:04:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:03:03" (1/3) ... [2019-09-10 11:04:54,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdead44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:04:54, skipping insertion in model container [2019-09-10 11:04:54,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:03:06" (2/3) ... [2019-09-10 11:04:54,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdead44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:04:54, skipping insertion in model container [2019-09-10 11:04:54,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:04:54" (3/3) ... [2019-09-10 11:04:54,306 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2019-09-10 11:04:54,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:04:54,326 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:04:54,342 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:04:54,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:04:54,370 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:04:54,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:04:54,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:04:54,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:04:54,370 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:04:54,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:04:54,371 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:04:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states. [2019-09-10 11:04:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 11:04:54,431 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:54,433 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:54,435 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:54,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1595314052, now seen corresponding path program 1 times [2019-09-10 11:04:54,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:54,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:54,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:54,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:54,525 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 11:04:55,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:55,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:55,004 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:55,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:55,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:55,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:55,027 INFO L87 Difference]: Start difference. First operand 1447 states. Second operand 3 states. [2019-09-10 11:04:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:55,428 INFO L93 Difference]: Finished difference Result 2785 states and 3816 transitions. [2019-09-10 11:04:55,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:04:55,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-10 11:04:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:55,484 INFO L225 Difference]: With dead ends: 2785 [2019-09-10 11:04:55,484 INFO L226 Difference]: Without dead ends: 2768 [2019-09-10 11:04:55,486 INFO L628 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 [2019-09-10 11:04:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2019-09-10 11:04:55,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2019-09-10 11:04:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2768 states. [2019-09-10 11:04:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 3791 transitions. [2019-09-10 11:04:55,791 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 3791 transitions. Word has length 62 [2019-09-10 11:04:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:55,792 INFO L475 AbstractCegarLoop]: Abstraction has 2768 states and 3791 transitions. [2019-09-10 11:04:55,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:04:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3791 transitions. [2019-09-10 11:04:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-10 11:04:55,804 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:55,804 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:04:55,804 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:55,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:55,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1198505293, now seen corresponding path program 1 times [2019-09-10 11:04:55,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:55,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:55,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:55,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:55,813 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 11:04:56,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:56,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:04:56,026 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:56,028 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:04:56,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:04:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:04:56,030 INFO L87 Difference]: Start difference. First operand 2768 states and 3791 transitions. Second operand 5 states. [2019-09-10 11:04:56,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:56,191 INFO L93 Difference]: Finished difference Result 2767 states and 3787 transitions. [2019-09-10 11:04:56,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:04:56,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-09-10 11:04:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:56,223 INFO L225 Difference]: With dead ends: 2767 [2019-09-10 11:04:56,223 INFO L226 Difference]: Without dead ends: 2767 [2019-09-10 11:04:56,225 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:04:56,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2019-09-10 11:04:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2767. [2019-09-10 11:04:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2767 states. [2019-09-10 11:04:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3787 transitions. [2019-09-10 11:04:56,359 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3787 transitions. Word has length 66 [2019-09-10 11:04:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:56,360 INFO L475 AbstractCegarLoop]: Abstraction has 2767 states and 3787 transitions. [2019-09-10 11:04:56,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:04:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3787 transitions. [2019-09-10 11:04:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-10 11:04:56,369 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:56,369 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2019-09-10 11:04:56,369 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:56,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1015190446, now seen corresponding path program 1 times [2019-09-10 11:04:56,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:56,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:56,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:56,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:56,377 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-09-10 11:04:56,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:56,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:04:56,647 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:56,648 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:04:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:04:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:04:56,648 INFO L87 Difference]: Start difference. First operand 2767 states and 3787 transitions. Second operand 6 states. [2019-09-10 11:04:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:04:59,211 INFO L93 Difference]: Finished difference Result 5517 states and 7609 transitions. [2019-09-10 11:04:59,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 11:04:59,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2019-09-10 11:04:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:04:59,259 INFO L225 Difference]: With dead ends: 5517 [2019-09-10 11:04:59,259 INFO L226 Difference]: Without dead ends: 5501 [2019-09-10 11:04:59,260 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:04:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5501 states. [2019-09-10 11:04:59,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 5501. [2019-09-10 11:04:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5501 states. [2019-09-10 11:04:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 5501 states and 7593 transitions. [2019-09-10 11:04:59,606 INFO L78 Accepts]: Start accepts. Automaton has 5501 states and 7593 transitions. Word has length 101 [2019-09-10 11:04:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:04:59,607 INFO L475 AbstractCegarLoop]: Abstraction has 5501 states and 7593 transitions. [2019-09-10 11:04:59,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:04:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 7593 transitions. [2019-09-10 11:04:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-10 11:04:59,627 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:04:59,627 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2019-09-10 11:04:59,628 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:04:59,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:04:59,628 INFO L82 PathProgramCache]: Analyzing trace with hash -397320874, now seen corresponding path program 1 times [2019-09-10 11:04:59,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:04:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:59,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:04:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:04:59,632 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:04:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:04:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-10 11:04:59,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:04:59,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:04:59,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:04:59,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:04:59,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:04:59,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:04:59,799 INFO L87 Difference]: Start difference. First operand 5501 states and 7593 transitions. Second operand 3 states. [2019-09-10 11:05:00,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:00,117 INFO L93 Difference]: Finished difference Result 10534 states and 14520 transitions. [2019-09-10 11:05:00,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:05:00,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-09-10 11:05:00,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:00,195 INFO L225 Difference]: With dead ends: 10534 [2019-09-10 11:05:00,196 INFO L226 Difference]: Without dead ends: 10534 [2019-09-10 11:05:00,196 INFO L628 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 [2019-09-10 11:05:00,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10534 states. [2019-09-10 11:05:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10534 to 10513. [2019-09-10 11:05:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10513 states. [2019-09-10 11:05:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10513 states to 10513 states and 14500 transitions. [2019-09-10 11:05:00,632 INFO L78 Accepts]: Start accepts. Automaton has 10513 states and 14500 transitions. Word has length 134 [2019-09-10 11:05:00,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:00,634 INFO L475 AbstractCegarLoop]: Abstraction has 10513 states and 14500 transitions. [2019-09-10 11:05:00,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:05:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 10513 states and 14500 transitions. [2019-09-10 11:05:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-10 11:05:00,667 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:05:00,667 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2019-09-10 11:05:00,667 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:05:00,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:00,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2025785442, now seen corresponding path program 2 times [2019-09-10 11:05:00,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:05:00,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:00,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:05:00,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:00,675 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:05:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:05:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-09-10 11:05:00,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:05:00,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:05:00,826 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:05:00,826 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:05:00,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:05:00,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:05:00,827 INFO L87 Difference]: Start difference. First operand 10513 states and 14500 transitions. Second operand 3 states. [2019-09-10 11:05:01,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:01,001 INFO L93 Difference]: Finished difference Result 10210 states and 14051 transitions. [2019-09-10 11:05:01,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:05:01,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-09-10 11:05:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:01,066 INFO L225 Difference]: With dead ends: 10210 [2019-09-10 11:05:01,066 INFO L226 Difference]: Without dead ends: 10210 [2019-09-10 11:05:01,067 INFO L628 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 [2019-09-10 11:05:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10210 states. [2019-09-10 11:05:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10210 to 10189. [2019-09-10 11:05:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10189 states. [2019-09-10 11:05:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10189 states to 10189 states and 14031 transitions. [2019-09-10 11:05:01,520 INFO L78 Accepts]: Start accepts. Automaton has 10189 states and 14031 transitions. Word has length 134 [2019-09-10 11:05:01,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:01,521 INFO L475 AbstractCegarLoop]: Abstraction has 10189 states and 14031 transitions. [2019-09-10 11:05:01,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:05:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10189 states and 14031 transitions. [2019-09-10 11:05:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-10 11:05:01,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:05:01,542 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:05:01,542 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:05:01,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:01,542 INFO L82 PathProgramCache]: Analyzing trace with hash 148948690, now seen corresponding path program 1 times [2019-09-10 11:05:01,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:05:01,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:01,545 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-10 11:05:01,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:01,546 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:05:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:05:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 11:05:01,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:05:01,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:05:01,678 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:05:01,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:05:01,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:05:01,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:05:01,679 INFO L87 Difference]: Start difference. First operand 10189 states and 14031 transitions. Second operand 3 states. [2019-09-10 11:05:02,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:02,026 INFO L93 Difference]: Finished difference Result 12738 states and 17528 transitions. [2019-09-10 11:05:02,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:05:02,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-10 11:05:02,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:02,112 INFO L225 Difference]: With dead ends: 12738 [2019-09-10 11:05:02,112 INFO L226 Difference]: Without dead ends: 12738 [2019-09-10 11:05:02,113 INFO L628 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 [2019-09-10 11:05:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12738 states. [2019-09-10 11:05:02,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12738 to 12717. [2019-09-10 11:05:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12717 states. [2019-09-10 11:05:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12717 states to 12717 states and 17508 transitions. [2019-09-10 11:05:02,615 INFO L78 Accepts]: Start accepts. Automaton has 12717 states and 17508 transitions. Word has length 152 [2019-09-10 11:05:02,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:02,616 INFO L475 AbstractCegarLoop]: Abstraction has 12717 states and 17508 transitions. [2019-09-10 11:05:02,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:05:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12717 states and 17508 transitions. [2019-09-10 11:05:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-09-10 11:05:02,649 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:05:02,649 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:05:02,650 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:05:02,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:02,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1271644741, now seen corresponding path program 1 times [2019-09-10 11:05:02,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:05:02,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:02,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:05:02,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:02,654 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:05:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:05:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-09-10 11:05:02,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:05:02,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:05:02,823 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:05:02,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:05:02,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:05:02,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:05:02,824 INFO L87 Difference]: Start difference. First operand 12717 states and 17508 transitions. Second operand 3 states. [2019-09-10 11:05:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:02,933 INFO L93 Difference]: Finished difference Result 12737 states and 17533 transitions. [2019-09-10 11:05:02,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:05:02,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-09-10 11:05:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:03,004 INFO L225 Difference]: With dead ends: 12737 [2019-09-10 11:05:03,005 INFO L226 Difference]: Without dead ends: 12737 [2019-09-10 11:05:03,005 INFO L628 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 [2019-09-10 11:05:03,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12737 states. [2019-09-10 11:05:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12737 to 12727. [2019-09-10 11:05:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12727 states. [2019-09-10 11:05:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12727 states to 12727 states and 17518 transitions. [2019-09-10 11:05:03,451 INFO L78 Accepts]: Start accepts. Automaton has 12727 states and 17518 transitions. Word has length 169 [2019-09-10 11:05:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:03,452 INFO L475 AbstractCegarLoop]: Abstraction has 12727 states and 17518 transitions. [2019-09-10 11:05:03,452 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:05:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 12727 states and 17518 transitions. [2019-09-10 11:05:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 11:05:03,477 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:05:03,478 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:05:03,478 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:05:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:03,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1599752412, now seen corresponding path program 1 times [2019-09-10 11:05:03,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:05:03,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:03,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:05:03,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:03,482 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:05:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:05:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-09-10 11:05:03,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:05:03,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:05:03,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:05:03,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:05:03,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:05:03,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:05:03,803 INFO L87 Difference]: Start difference. First operand 12727 states and 17518 transitions. Second operand 5 states. [2019-09-10 11:05:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:04,156 INFO L93 Difference]: Finished difference Result 17904 states and 24620 transitions. [2019-09-10 11:05:04,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 11:05:04,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2019-09-10 11:05:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:04,254 INFO L225 Difference]: With dead ends: 17904 [2019-09-10 11:05:04,254 INFO L226 Difference]: Without dead ends: 17904 [2019-09-10 11:05:04,256 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:05:04,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17904 states. [2019-09-10 11:05:04,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17904 to 12735. [2019-09-10 11:05:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12735 states. [2019-09-10 11:05:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12735 states to 12735 states and 17526 transitions. [2019-09-10 11:05:04,880 INFO L78 Accepts]: Start accepts. Automaton has 12735 states and 17526 transitions. Word has length 171 [2019-09-10 11:05:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:04,881 INFO L475 AbstractCegarLoop]: Abstraction has 12735 states and 17526 transitions. [2019-09-10 11:05:04,881 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:05:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12735 states and 17526 transitions. [2019-09-10 11:05:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-10 11:05:04,909 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:05:04,910 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:05:04,910 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:05:04,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:04,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1898167641, now seen corresponding path program 1 times [2019-09-10 11:05:04,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:05:04,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:04,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:05:04,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:05:04,916 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:05:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:05:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-09-10 11:05:05,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:05:05,207 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:05:05,208 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2019-09-10 11:05:05,211 INFO L207 CegarAbsIntRunner]: [330], [331], [361], [370], [372], [373], [528], [530], [533], [537], [559], [561], [562], [1013], [1306], [1307], [1318], [1319], [1430], [1432], [1434], [1436], [1438], [1440], [1442], [1454], [1457], [1460], [1463], [1466], [1468], [1472], [1475], [1478], [1480], [1483], [1485], [1494], [1513], [1516], [1519], [1532], [1561], [1582], [1585], [1588], [1590], [1593], [1601], [1604], [1607], [1609], [1614], [1617], [1620], [1622], [1625], [1997], [1998], [2001], [2010], [2013], [2017], [2020], [2028], [2037], [2042], [2048], [2052], [2301], [2302], [2395], [2450], [2452], [2454], [2455], [2504], [2505], [2638], [2640], [2641], [2648], [2649], [2698], [2700], [2705], [2711], [2714], [2718], [2726], [2916], [2917], [2918], [2919], [2964], [2965], [3146], [3147], [3148], [3149], [3150], [3151], [3152], [3153], [3154], [3155], [3158], [3159], [3160], [3161], [3162], [3163], [3164], [3165], [3180], [3181], [3182], [3183], [3184], [3185], [3232], [3368], [3369], [3458], [3459], [3460], [3461], [3476], [3477], [3478], [3484], [3485], [3486], [3487], [3488] [2019-09-10 11:05:05,294 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:05:05,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:05:05,428 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:05:05,430 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 110 root evaluator evaluations with a maximum evaluation depth of 0. Performed 110 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 236 variables. [2019-09-10 11:05:05,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:05:05,437 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:05:05,546 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:05:05,546 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:05:05,555 INFO L420 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2019-09-10 11:05:05,555 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:05:05,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:05:05,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 11:05:05,557 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:05:05,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:05:05,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:05:05,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:05:05,558 INFO L87 Difference]: Start difference. First operand 12735 states and 17526 transitions. Second operand 2 states. [2019-09-10 11:05:05,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:05:05,559 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:05:05,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:05:05,559 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 173 [2019-09-10 11:05:05,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:05:05,559 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:05:05,559 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:05:05,560 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:05:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:05:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:05:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:05:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:05:05,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2019-09-10 11:05:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:05:05,561 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:05:05,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:05:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:05:05,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:05:05,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:05:05 BoogieIcfgContainer [2019-09-10 11:05:05,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:05:05,571 INFO L168 Benchmark]: Toolchain (without parser) took 122116.19 ms. Allocated memory was 135.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 81.1 MB in the beginning and 1.1 GB in the end (delta: -973.2 MB). Peak memory consumption was 521.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:05:05,573 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:05:05,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2720.77 ms. Allocated memory was 135.8 MB in the beginning and 264.2 MB in the end (delta: 128.5 MB). Free memory was 81.1 MB in the beginning and 141.6 MB in the end (delta: -60.5 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:05:05,577 INFO L168 Benchmark]: Boogie Preprocessor took 326.79 ms. Allocated memory is still 264.2 MB. Free memory was 141.6 MB in the beginning and 109.9 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:05:05,578 INFO L168 Benchmark]: RCFGBuilder took 107796.01 ms. Allocated memory was 264.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 109.9 MB in the beginning and 319.8 MB in the end (delta: -209.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-10 11:05:05,583 INFO L168 Benchmark]: TraceAbstraction took 11268.17 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 194.0 MB). Free memory was 319.8 MB in the beginning and 1.1 GB in the end (delta: -734.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:05:05,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2720.77 ms. Allocated memory was 135.8 MB in the beginning and 264.2 MB in the end (delta: 128.5 MB). Free memory was 81.1 MB in the beginning and 141.6 MB in the end (delta: -60.5 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 326.79 ms. Allocated memory is still 264.2 MB. Free memory was 141.6 MB in the beginning and 109.9 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 107796.01 ms. Allocated memory was 264.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 109.9 MB in the beginning and 319.8 MB in the end (delta: -209.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 11268.17 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 194.0 MB). Free memory was 319.8 MB in the beginning and 1.1 GB in the end (delta: -734.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5386]: 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 146 procedures, 1512 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21597 SDtfs, 12731 SDslu, 30965 SDs, 0 SdLazy, 884 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12735occurred in iteration=8, 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, 2.116279069767442 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 5242 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1162 NumberOfCodeBlocks, 1162 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1153 ConstructedInterpolants, 0 QuantifiedInterpolants, 205915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 642/675 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...