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--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:01:42,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:01:42,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:01:42,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:01:42,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:01:42,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:01:42,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:01:42,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:01:42,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:01:42,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:01:42,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:01:42,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:01:42,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:01:42,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:01:42,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:01:42,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:01:42,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:01:42,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:01:42,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:01:42,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:01:42,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:01:42,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:01:42,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:01:42,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:01:42,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:01:42,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:01:42,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:01:42,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:01:42,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:01:42,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:01:42,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:01:42,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:01:42,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:01:42,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:01:42,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:01:42,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:01:42,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:01:42,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:01:42,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:01:42,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:01:42,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:01:42,265 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 11:01:42,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:01:42,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:01:42,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:01:42,283 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:01:42,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:01:42,286 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:01:42,287 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:01:42,287 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:01:42,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:01:42,287 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:01:42,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:01:42,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:01:42,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:01:42,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:01:42,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:01:42,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:01:42,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:01:42,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:01:42,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:01:42,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:01:42,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:01:42,292 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:01:42,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:01:42,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:01:42,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:01:42,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:01:42,293 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:01:42,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:01:42,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:01:42,293 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:01:42,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:01:42,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:01:42,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:01:42,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:01:42,357 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:01:42,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-09-10 11:01:42,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a9c828a/0c452cf5a0bf47cf88c9e5c906edfa73/FLAGf83fa8427 [2019-09-10 11:01:43,200 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:01:43,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-09-10 11:01:43,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a9c828a/0c452cf5a0bf47cf88c9e5c906edfa73/FLAGf83fa8427 [2019-09-10 11:01:43,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a9c828a/0c452cf5a0bf47cf88c9e5c906edfa73 [2019-09-10 11:01:43,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:01:43,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:01:43,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:01:43,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:01:43,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:01:43,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:01:43" (1/1) ... [2019-09-10 11:01:43,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d883ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:43, skipping insertion in model container [2019-09-10 11:01:43,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:01:43" (1/1) ... [2019-09-10 11:01:43,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:01:43,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:01:45,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:01:45,863 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:01:46,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:01:46,383 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:01:46,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46 WrapperNode [2019-09-10 11:01:46,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:01:46,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:01:46,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:01:46,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:01:46,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (1/1) ... [2019-09-10 11:01:46,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:01:46,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:01:46,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:01:46,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:01:46,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (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 11:01:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:01:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:01:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 11:01:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 11:01:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 11:01:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 11:01:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-10 11:01:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 11:01:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-09-10 11:01:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-09-10 11:01:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:01:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 11:01:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2019-09-10 11:01:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-10 11:01:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-10 11:01:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:01:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:01:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:01:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 11:01:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 11:01:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-10 11:01:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2019-09-10 11:01:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-10 11:01:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-10 11:01:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-09-10 11:01:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-09-10 11:01:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:01:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:01:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:01:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:01:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2019-09-10 11:01:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2019-09-10 11:01:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2019-09-10 11:01:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2019-09-10 11:01:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2019-09-10 11:01:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2019-09-10 11:01:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2019-09-10 11:01:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2019-09-10 11:01:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2019-09-10 11:01:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2019-09-10 11:01:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2019-09-10 11:01:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2019-09-10 11:01:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2019-09-10 11:01:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2019-09-10 11:01:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2019-09-10 11:01:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2019-09-10 11:01:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2019-09-10 11:01:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2019-09-10 11:01:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2019-09-10 11:01:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2019-09-10 11:01:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2019-09-10 11:01:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2019-09-10 11:01:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2019-09-10 11:01:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2019-09-10 11:01:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2019-09-10 11:01:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2019-09-10 11:01:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2019-09-10 11:01:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2019-09-10 11:01:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2019-09-10 11:01:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:01:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 11:01:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 11:01:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-09-10 11:01:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-10 11:01:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-09-10 11:01:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 11:01:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:01:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 11:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 11:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 11:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 11:01:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 11:01:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 11:01:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:01:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 11:01:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 11:01:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-10 11:01:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 11:01:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 11:01:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-10 11:01:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:01:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-10 11:01:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2019-09-10 11:01:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2019-09-10 11:01:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2019-09-10 11:01:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2019-09-10 11:01:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-09-10 11:01:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-10 11:01:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 11:01:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2019-09-10 11:01:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2019-09-10 11:01:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 11:01:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2019-09-10 11:01:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 11:01:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 11:01:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2019-09-10 11:01:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2019-09-10 11:01:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-09-10 11:01:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-10 11:01:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2019-09-10 11:01:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-10 11:01:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:01:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:01:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:01:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-10 11:01:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 11:01:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:01:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 11:01:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2019-09-10 11:01:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-10 11:01:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:01:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-09-10 11:01:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-10 11:01:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-09-10 11:01:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:01:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:01:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2019-09-10 11:01:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2019-09-10 11:01:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2019-09-10 11:01:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2019-09-10 11:01:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2019-09-10 11:01:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2019-09-10 11:01:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2019-09-10 11:01:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2019-09-10 11:01:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2019-09-10 11:01:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2019-09-10 11:01:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2019-09-10 11:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2019-09-10 11:01:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure match [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2019-09-10 11:01:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2019-09-10 11:01:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2019-09-10 11:01:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 11:01:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:01:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:01:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:01:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:01:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:01:47,987 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:02:05,795 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:02:05,796 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 11:02:05,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:02:05 BoogieIcfgContainer [2019-09-10 11:02:05,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:02:05,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:02:05,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:02:05,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:02:05,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:01:43" (1/3) ... [2019-09-10 11:02:05,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cd457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:02:05, skipping insertion in model container [2019-09-10 11:02:05,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:01:46" (2/3) ... [2019-09-10 11:02:05,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cd457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:02:05, skipping insertion in model container [2019-09-10 11:02:05,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:02:05" (3/3) ... [2019-09-10 11:02:05,810 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2019-09-10 11:02:05,820 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:02:05,834 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:02:05,853 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:02:05,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:02:05,886 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:02:05,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:02:05,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:02:05,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:02:05,886 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:02:05,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:02:05,887 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:02:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states. [2019-09-10 11:02:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-10 11:02:05,982 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:05,983 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 11:02:05,985 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:05,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:05,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1493319937, now seen corresponding path program 1 times [2019-09-10 11:02:05,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:06,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:06,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:06,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:06,127 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 11:02:06,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:06,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:02:06,807 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:06,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:02:06,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:02:06,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:02:06,847 INFO L87 Difference]: Start difference. First operand 1203 states. Second operand 6 states. [2019-09-10 11:02:08,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:08,838 INFO L93 Difference]: Finished difference Result 2065 states and 2668 transitions. [2019-09-10 11:02:08,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 11:02:08,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-09-10 11:02:08,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:08,877 INFO L225 Difference]: With dead ends: 2065 [2019-09-10 11:02:08,877 INFO L226 Difference]: Without dead ends: 1994 [2019-09-10 11:02:08,880 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:02:08,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2019-09-10 11:02:09,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2019-09-10 11:02:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-09-10 11:02:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2581 transitions. [2019-09-10 11:02:09,109 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2581 transitions. Word has length 55 [2019-09-10 11:02:09,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:09,110 INFO L475 AbstractCegarLoop]: Abstraction has 1994 states and 2581 transitions. [2019-09-10 11:02:09,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:02:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2581 transitions. [2019-09-10 11:02:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-10 11:02:09,124 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:09,124 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:02:09,125 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:09,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:09,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1273158294, now seen corresponding path program 1 times [2019-09-10 11:02:09,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:09,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:09,133 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 11:02:09,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:09,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:02:09,407 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:09,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:02:09,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:02:09,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:02:09,427 INFO L87 Difference]: Start difference. First operand 1994 states and 2581 transitions. Second operand 3 states. [2019-09-10 11:02:09,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:09,614 INFO L93 Difference]: Finished difference Result 2116 states and 2722 transitions. [2019-09-10 11:02:09,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:02:09,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-09-10 11:02:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:09,633 INFO L225 Difference]: With dead ends: 2116 [2019-09-10 11:02:09,633 INFO L226 Difference]: Without dead ends: 2116 [2019-09-10 11:02:09,634 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 11:02:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2019-09-10 11:02:09,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2104. [2019-09-10 11:02:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2104 states. [2019-09-10 11:02:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2711 transitions. [2019-09-10 11:02:09,777 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2711 transitions. Word has length 119 [2019-09-10 11:02:09,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:09,778 INFO L475 AbstractCegarLoop]: Abstraction has 2104 states and 2711 transitions. [2019-09-10 11:02:09,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:02:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2711 transitions. [2019-09-10 11:02:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 11:02:09,788 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:09,789 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:02:09,789 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:09,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:09,790 INFO L82 PathProgramCache]: Analyzing trace with hash 383993374, now seen corresponding path program 1 times [2019-09-10 11:02:09,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:09,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:09,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:09,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:09,795 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-10 11:02:10,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:10,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:02:10,000 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:10,002 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:02:10,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:02:10,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:02:10,003 INFO L87 Difference]: Start difference. First operand 2104 states and 2711 transitions. Second operand 3 states. [2019-09-10 11:02:10,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:10,358 INFO L93 Difference]: Finished difference Result 3560 states and 4547 transitions. [2019-09-10 11:02:10,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:02:10,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-09-10 11:02:10,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:10,385 INFO L225 Difference]: With dead ends: 3560 [2019-09-10 11:02:10,385 INFO L226 Difference]: Without dead ends: 3560 [2019-09-10 11:02:10,386 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 11:02:10,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2019-09-10 11:02:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3548. [2019-09-10 11:02:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2019-09-10 11:02:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4536 transitions. [2019-09-10 11:02:10,559 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4536 transitions. Word has length 154 [2019-09-10 11:02:10,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:10,561 INFO L475 AbstractCegarLoop]: Abstraction has 3548 states and 4536 transitions. [2019-09-10 11:02:10,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:02:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4536 transitions. [2019-09-10 11:02:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 11:02:10,579 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:10,579 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:02:10,580 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:10,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:10,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1214910702, now seen corresponding path program 1 times [2019-09-10 11:02:10,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:10,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:10,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:10,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:10,588 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 11:02:10,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:10,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:02:10,864 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:10,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:02:10,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:02:10,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:02:10,866 INFO L87 Difference]: Start difference. First operand 3548 states and 4536 transitions. Second operand 3 states. [2019-09-10 11:02:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:10,922 INFO L93 Difference]: Finished difference Result 3556 states and 4544 transitions. [2019-09-10 11:02:10,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:02:10,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-09-10 11:02:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:10,951 INFO L225 Difference]: With dead ends: 3556 [2019-09-10 11:02:10,951 INFO L226 Difference]: Without dead ends: 3556 [2019-09-10 11:02:10,951 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 11:02:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2019-09-10 11:02:11,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3552. [2019-09-10 11:02:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2019-09-10 11:02:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4540 transitions. [2019-09-10 11:02:11,079 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4540 transitions. Word has length 154 [2019-09-10 11:02:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:11,079 INFO L475 AbstractCegarLoop]: Abstraction has 3552 states and 4540 transitions. [2019-09-10 11:02:11,079 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:02:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4540 transitions. [2019-09-10 11:02:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-09-10 11:02:11,090 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:11,090 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:02:11,091 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1683906963, now seen corresponding path program 1 times [2019-09-10 11:02:11,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:11,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:11,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:11,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:11,096 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 11:02:11,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:11,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:02:11,262 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:11,262 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:02:11,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:02:11,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:02:11,263 INFO L87 Difference]: Start difference. First operand 3552 states and 4540 transitions. Second operand 3 states. [2019-09-10 11:02:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:11,453 INFO L93 Difference]: Finished difference Result 3498 states and 4470 transitions. [2019-09-10 11:02:11,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:02:11,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-09-10 11:02:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:11,477 INFO L225 Difference]: With dead ends: 3498 [2019-09-10 11:02:11,478 INFO L226 Difference]: Without dead ends: 3485 [2019-09-10 11:02:11,478 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 11:02:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2019-09-10 11:02:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2019-09-10 11:02:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3485 states. [2019-09-10 11:02:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4452 transitions. [2019-09-10 11:02:11,598 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4452 transitions. Word has length 156 [2019-09-10 11:02:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:11,599 INFO L475 AbstractCegarLoop]: Abstraction has 3485 states and 4452 transitions. [2019-09-10 11:02:11,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:02:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4452 transitions. [2019-09-10 11:02:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 11:02:11,613 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:11,613 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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 11:02:11,613 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:11,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:11,614 INFO L82 PathProgramCache]: Analyzing trace with hash -816200385, now seen corresponding path program 1 times [2019-09-10 11:02:11,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:11,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:11,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:11,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:11,619 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 11:02:11,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:11,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:02:11,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:11,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:02:11,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:02:11,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:02:11,817 INFO L87 Difference]: Start difference. First operand 3485 states and 4452 transitions. Second operand 5 states. [2019-09-10 11:02:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:11,877 INFO L93 Difference]: Finished difference Result 3521 states and 4496 transitions. [2019-09-10 11:02:11,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:02:11,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2019-09-10 11:02:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:11,898 INFO L225 Difference]: With dead ends: 3521 [2019-09-10 11:02:11,898 INFO L226 Difference]: Without dead ends: 3521 [2019-09-10 11:02:11,899 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:02:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2019-09-10 11:02:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3511. [2019-09-10 11:02:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2019-09-10 11:02:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4482 transitions. [2019-09-10 11:02:12,012 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4482 transitions. Word has length 165 [2019-09-10 11:02:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:12,012 INFO L475 AbstractCegarLoop]: Abstraction has 3511 states and 4482 transitions. [2019-09-10 11:02:12,013 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:02:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4482 transitions. [2019-09-10 11:02:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 11:02:12,025 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:12,025 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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 11:02:12,026 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:12,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:12,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1177891294, now seen corresponding path program 1 times [2019-09-10 11:02:12,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:12,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:12,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:12,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:12,032 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 11:02:12,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:12,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 11:02:12,414 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:12,414 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 11:02:12,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 11:02:12,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:02:12,417 INFO L87 Difference]: Start difference. First operand 3511 states and 4482 transitions. Second operand 9 states. [2019-09-10 11:02:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:37,637 INFO L93 Difference]: Finished difference Result 4216 states and 5401 transitions. [2019-09-10 11:02:37,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 11:02:37,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2019-09-10 11:02:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:37,665 INFO L225 Difference]: With dead ends: 4216 [2019-09-10 11:02:37,666 INFO L226 Difference]: Without dead ends: 4216 [2019-09-10 11:02:37,666 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-09-10 11:02:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2019-09-10 11:02:37,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4132. [2019-09-10 11:02:37,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4132 states. [2019-09-10 11:02:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 5280 transitions. [2019-09-10 11:02:37,795 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 5280 transitions. Word has length 166 [2019-09-10 11:02:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:37,795 INFO L475 AbstractCegarLoop]: Abstraction has 4132 states and 5280 transitions. [2019-09-10 11:02:37,796 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 11:02:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 5280 transitions. [2019-09-10 11:02:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-10 11:02:37,809 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:37,809 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:37,809 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:37,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:37,810 INFO L82 PathProgramCache]: Analyzing trace with hash -476509041, now seen corresponding path program 1 times [2019-09-10 11:02:37,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:37,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:37,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:37,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:37,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 11:02:38,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:02:38,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:02:38,140 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:38,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:02:38,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:02:38,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:02:38,144 INFO L87 Difference]: Start difference. First operand 4132 states and 5280 transitions. Second operand 5 states. [2019-09-10 11:02:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:38,209 INFO L93 Difference]: Finished difference Result 4170 states and 5327 transitions. [2019-09-10 11:02:38,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:02:38,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2019-09-10 11:02:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:38,248 INFO L225 Difference]: With dead ends: 4170 [2019-09-10 11:02:38,249 INFO L226 Difference]: Without dead ends: 4170 [2019-09-10 11:02:38,249 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:02:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2019-09-10 11:02:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 4160. [2019-09-10 11:02:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4160 states. [2019-09-10 11:02:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 5312 transitions. [2019-09-10 11:02:38,387 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 5312 transitions. Word has length 204 [2019-09-10 11:02:38,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:38,388 INFO L475 AbstractCegarLoop]: Abstraction has 4160 states and 5312 transitions. [2019-09-10 11:02:38,388 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:02:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 5312 transitions. [2019-09-10 11:02:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-09-10 11:02:38,402 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:02:38,403 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:38,403 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:02:38,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:38,403 INFO L82 PathProgramCache]: Analyzing trace with hash -914858331, now seen corresponding path program 1 times [2019-09-10 11:02:38,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:02:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:38,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:02:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:02:38,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:02:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:02:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-10 11:02:38,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:02:38,856 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:02:38,857 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2019-09-10 11:02:38,860 INFO L207 CegarAbsIntRunner]: [59], [60], [109], [110], [116], [117], [124], [126], [129], [132], [135], [156], [157], [158], [160], [169], [188], [190], [191], [310], [312], [316], [318], [319], [354], [355], [390], [393], [397], [399], [402], [405], [410], [415], [417], [418], [464], [465], [538], [539], [706], [708], [710], [712], [714], [717], [720], [741], [760], [781], [802], [823], [844], [847], [850], [852], [862], [947], [950], [953], [956], [959], [961], [965], [968], [971], [973], [976], [985], [1102], [1104], [1107], [1109], [1112], [1116], [1126], [1129], [1130], [1131], [1140], [1145], [1157], [1161], [1164], [1165], [1168], [1169], [1172], [1181], [1186], [1221], [1223], [1583], [1585], [1691], [1692], [1693], [1695], [1697], [1698], [1770], [1771], [1998], [2000], [2005], [2009], [2012], [2013], [2015], [2016], [2022], [2024], [2026], [2033], [2036], [2038], [2049], [2053], [2055], [2057], [2062], [2064], [2065], [2090], [2092], [2118], [2120], [2170], [2171], [2174], [2175], [2190], [2191], [2194], [2195], [2196], [2197], [2200], [2201], [2252], [2253], [2254], [2255], [2282], [2283], [2284], [2285], [2286], [2287], [2292], [2293], [2420], [2421], [2422], [2423], [2424], [2425], [2448], [2449], [2466], [2467], [2468], [2469], [2470], [2471], [2476], [2490], [2491], [2492], [2493], [2576], [2577], [2624], [2625], [2626], [2627], [2718], [2719], [2720], [2722], [2723], [2724], [2725], [2726], [2728], [2729], [2732], [2733], [2738], [2739], [2748], [2749], [2764], [2765] [2019-09-10 11:02:38,929 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:02:38,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:02:39,045 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:02:39,046 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 103 root evaluator evaluations with a maximum evaluation depth of 0. Performed 103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 222 variables. [2019-09-10 11:02:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:02:39,052 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:02:39,187 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:02:39,187 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:02:39,196 INFO L420 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2019-09-10 11:02:39,196 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:02:39,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:02:39,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-09-10 11:02:39,198 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:02:39,198 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:02:39,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:02:39,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:02:39,199 INFO L87 Difference]: Start difference. First operand 4160 states and 5312 transitions. Second operand 2 states. [2019-09-10 11:02:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:02:39,200 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:02:39,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:02:39,200 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 210 [2019-09-10 11:02:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:02:39,201 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:02:39,201 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:02:39,201 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 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 11:02:39,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:02:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:02:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:02:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:02:39,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2019-09-10 11:02:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:02:39,202 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:02:39,202 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:02:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:02:39,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:02:39,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:02:39 BoogieIcfgContainer [2019-09-10 11:02:39,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:02:39,213 INFO L168 Benchmark]: Toolchain (without parser) took 55762.25 ms. Allocated memory was 142.1 MB in the beginning and 1.0 GB in the end (delta: 902.8 MB). Free memory was 79.4 MB in the beginning and 737.4 MB in the end (delta: -658.0 MB). Peak memory consumption was 244.8 MB. Max. memory is 7.1 GB. [2019-09-10 11:02:39,215 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-10 11:02:39,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2934.24 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 79.2 MB in the beginning and 186.0 MB in the end (delta: -106.9 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:02:39,218 INFO L168 Benchmark]: Boogie Preprocessor took 347.83 ms. Allocated memory is still 259.5 MB. Free memory was 186.0 MB in the beginning and 163.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:02:39,220 INFO L168 Benchmark]: RCFGBuilder took 19065.52 ms. Allocated memory was 259.5 MB in the beginning and 1.0 GB in the end (delta: 742.4 MB). Free memory was 163.8 MB in the beginning and 376.6 MB in the end (delta: -212.8 MB). Peak memory consumption was 842.8 MB. Max. memory is 7.1 GB. [2019-09-10 11:02:39,226 INFO L168 Benchmark]: TraceAbstraction took 33409.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Free memory was 376.6 MB in the beginning and 737.4 MB in the end (delta: -360.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:02:39,236 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 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2934.24 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 79.2 MB in the beginning and 186.0 MB in the end (delta: -106.9 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 347.83 ms. Allocated memory is still 259.5 MB. Free memory was 186.0 MB in the beginning and 163.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19065.52 ms. Allocated memory was 259.5 MB in the beginning and 1.0 GB in the end (delta: 742.4 MB). Free memory was 163.8 MB in the beginning and 376.6 MB in the end (delta: -212.8 MB). Peak memory consumption was 842.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33409.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Free memory was 376.6 MB in the beginning and 737.4 MB in the end (delta: -360.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5639]: 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 159 procedures, 1307 locations, 1 error locations. SAFE Result, 33.3s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 28.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11301 SDtfs, 6363 SDslu, 18625 SDs, 0 SdLazy, 7120 SolverSat, 1376 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4160occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1339712918660285 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 132 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 355702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 316/317 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...