java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 04:25:25,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 04:25:25,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 04:25:25,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 04:25:25,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 04:25:25,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 04:25:25,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 04:25:25,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 04:25:25,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 04:25:25,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 04:25:25,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 04:25:25,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 04:25:25,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 04:25:25,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 04:25:25,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 04:25:25,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 04:25:25,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 04:25:25,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 04:25:25,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 04:25:25,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 04:25:25,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 04:25:25,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 04:25:25,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 04:25:25,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 04:25:25,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 04:25:25,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 04:25:25,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 04:25:25,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 04:25:25,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 04:25:25,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 04:25:25,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 04:25:25,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 04:25:25,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 04:25:25,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 04:25:25,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 04:25:25,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 04:25:25,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 04:25:25,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 04:25:25,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 04:25:25,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 04:25:25,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 04:25:25,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 04:25:25,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 04:25:25,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 04:25:25,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 04:25:25,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 04:25:25,239 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 04:25:25,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 04:25:25,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 04:25:25,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 04:25:25,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 04:25:25,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 04:25:25,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 04:25:25,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 04:25:25,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 04:25:25,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 04:25:25,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 04:25:25,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 04:25:25,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 04:25:25,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 04:25:25,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 04:25:25,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 04:25:25,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 04:25:25,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 04:25:25,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 04:25:25,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 04:25:25,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 04:25:25,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 04:25:25,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 04:25:25,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 04:25:25,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 04:25:25,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 04:25:25,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 04:25:25,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 04:25:25,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 04:25:25,298 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 04:25:25,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-02 04:25:25,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c700a82/e28d4b8573a947d4a8a22356b298cf53/FLAG34e33bd8a [2019-10-02 04:25:26,278 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 04:25:26,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-02 04:25:26,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c700a82/e28d4b8573a947d4a8a22356b298cf53/FLAG34e33bd8a [2019-10-02 04:25:26,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c700a82/e28d4b8573a947d4a8a22356b298cf53 [2019-10-02 04:25:26,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 04:25:26,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 04:25:26,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 04:25:26,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 04:25:26,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 04:25:26,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:25:26" (1/1) ... [2019-10-02 04:25:26,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e48f3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:26, skipping insertion in model container [2019-10-02 04:25:26,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 04:25:26" (1/1) ... [2019-10-02 04:25:26,809 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 04:25:26,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 04:25:29,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 04:25:29,672 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 04:25:30,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 04:25:30,420 INFO L192 MainTranslator]: Completed translation [2019-10-02 04:25:30,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30 WrapperNode [2019-10-02 04:25:30,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 04:25:30,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 04:25:30,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 04:25:30,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 04:25:30,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... [2019-10-02 04:25:30,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 04:25:30,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 04:25:30,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 04:25:30,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 04:25:30,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 04:25:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 04:25:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 04:25:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 04:25:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2019-10-02 04:25:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 04:25:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 04:25:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 04:25:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 04:25:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 04:25:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 04:25:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 04:25:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 04:25:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 04:25:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 04:25:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 04:25:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 04:25:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_st5481 [2019-10-02 04:25:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_st5481 [2019-10-02 04:25:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_init [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_exit [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_2 [2019-10-02 04:25:30,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_le16p [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 04:25:30,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-02 04:25:30,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_init [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_add [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_remove [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet [2019-10-02 04:25:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ST5481_CMD_string [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_next_ctrl_msg [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_msg [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_device_ctrl_msg [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_pipe_reset [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_ph_command [2019-10-02 04:25:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_complete [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_complete [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_usb [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_usb [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_start [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_stop [2019-10-02 04:25:30,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_isocpipes [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_isocpipes [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_in_complete [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_in [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_in [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_isoc_flatten [2019-10-02 04:25:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_start_rcv [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_in_mode [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_12 [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-10-02 04:25:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_14 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_16 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_17 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_18 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_19 [2019-10-02 04:25:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_20 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_21 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_22 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2019-10-02 04:25:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_nr [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet___0 [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet___0 [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure D_L1L2 [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f3 [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f6 [2019-10-02 04:25:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f7 [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f8 [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer3 [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_ignore [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_activate [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure l1m_debug [2019-10-02 04:25:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_debug [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_stop_event [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_reseted [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out_complete [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_start_xmit [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_short_fifo [2019-10-02 04:25:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_end_short_frame [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_enable_fifo [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_den [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_reset [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_stop [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_underrun [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_check_busy [2019-10-02 04:25:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_reseted [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_complete [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_ignore [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_l2l1 [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_connect [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_disconnect [2019-10-02 04:25:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_d_out [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d_out [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_d [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_init [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_exit [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2019-10-02 04:25:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev8 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet___1 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet___1 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure B_L1L2 [2019-10-02 04:25:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_start_xfer [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure led_blink [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out_complete [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_mode [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_b_out [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b_out [2019-10-02 04:25:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_b [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_b_l2l1 [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-02 04:25:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-02 04:25:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-02 04:25:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmChangeState [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmDelTimer [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmEvent [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmFree [2019-10-02 04:25:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmInitTimer [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmNew [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmRestartTimer [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 04:25:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_register [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_unregister [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_decode [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_encode [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_out_init [2019-10-02 04:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_rcv_init [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-10-02 04:25:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_current_frame_number [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_configuration [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2019-10-02 04:25:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-02 04:25:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-02 04:25:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 04:25:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 04:25:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 04:25:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 04:25:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 04:25:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_2 [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-10-02 04:25:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 04:25:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 04:25:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 04:25:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_register [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_unregister [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_b [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_l2l1 [2019-10-02 04:25:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_d [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_b_l2l1 [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_init [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_exit [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_usb [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_usb [2019-10-02 04:25:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_start [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_stop [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure probe_st5481 [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 04:25:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_st5481 [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_init [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_exit [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_le16p [2019-10-02 04:25:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 04:25:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_14 [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_12 [2019-10-02 04:25:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_20 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_16 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_17 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_18 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_21 [2019-10-02 04:25:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_22 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_19 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2019-10-02 04:25:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_configuration [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-02 04:25:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_rcv_init [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_decode [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure FsmEvent [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-02 04:25:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_init [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_add [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_remove [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_in [2019-10-02 04:25:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_in [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_in_mode [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_ph_command [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_isocpipes [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_isocpipes [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_pipe_reset [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_device_ctrl_msg [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2019-10-02 04:25:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ST5481_CMD_string [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_isoc_flatten [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_next_ctrl_msg [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_msg [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_complete [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 04:25:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_complete [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_in_complete [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_start_rcv [2019-10-02 04:25:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_current_frame_number [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-02 04:25:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_out_init [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_encode [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure FsmNew [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure FsmFree [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure FsmChangeState [2019-10-02 04:25:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure FsmInitTimer [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure FsmRestartTimer [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure FsmDelTimer [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_nr [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet___0 [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet___0 [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ph_connect [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ph_disconnect [2019-10-02 04:25:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure D_L1L2 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f3 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f6 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f7 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f8 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer3 [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_ignore [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1_activate [2019-10-02 04:25:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure l1m_debug [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure dout_debug [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure dout_stop_event [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_reseted [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out_complete [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure dout_start_xmit [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure dout_short_fifo [2019-10-02 04:25:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure dout_end_short_frame [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_enable_fifo [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_den [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_reset [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_stop [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_underrun [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_check_busy [2019-10-02 04:25:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure dout_reseted [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure dout_complete [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure dout_ignore [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_d_out [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d_out [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev8 [2019-10-02 04:25:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet___1 [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet___1 [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure B_L1L2 [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_start_xfer [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure led_blink [2019-10-02 04:25:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out_complete [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_mode [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_b_out [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b_out [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-02 04:25:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 04:25:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 04:25:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 04:25:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 04:25:32,405 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 04:25:43,562 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-02 04:25:48,621 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 04:25:48,622 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 04:25:48,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:25:48 BoogieIcfgContainer [2019-10-02 04:25:48,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 04:25:48,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 04:25:48,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 04:25:48,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 04:25:48,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 04:25:26" (1/3) ... [2019-10-02 04:25:48,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d33f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:25:48, skipping insertion in model container [2019-10-02 04:25:48,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 04:25:30" (2/3) ... [2019-10-02 04:25:48,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d33f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 04:25:48, skipping insertion in model container [2019-10-02 04:25:48,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 04:25:48" (3/3) ... [2019-10-02 04:25:48,631 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2019-10-02 04:25:48,638 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 04:25:48,648 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 04:25:48,665 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 04:25:48,703 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 04:25:48,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 04:25:48,704 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 04:25:48,704 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 04:25:48,705 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 04:25:48,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 04:25:48,705 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 04:25:48,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 04:25:48,705 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 04:25:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states. [2019-10-02 04:25:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-02 04:25:48,762 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:25:48,764 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 04:25:48,766 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:25:48,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:25:48,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2131827545, now seen corresponding path program 1 times [2019-10-02 04:25:48,774 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:25:48,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:25:48,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:48,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:25:48,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:25:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 04:25:49,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:25:49,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:25:49,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:25:49,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:25:49,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:49,887 INFO L87 Difference]: Start difference. First operand 1556 states. Second operand 3 states. [2019-10-02 04:25:53,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:25:53,758 INFO L93 Difference]: Finished difference Result 4476 states and 6155 transitions. [2019-10-02 04:25:53,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:25:53,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-02 04:25:53,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:25:53,822 INFO L225 Difference]: With dead ends: 4476 [2019-10-02 04:25:53,823 INFO L226 Difference]: Without dead ends: 2934 [2019-10-02 04:25:53,844 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2019-10-02 04:25:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2934. [2019-10-02 04:25:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2934 states. [2019-10-02 04:25:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3873 transitions. [2019-10-02 04:25:54,168 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 3873 transitions. Word has length 50 [2019-10-02 04:25:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:25:54,168 INFO L475 AbstractCegarLoop]: Abstraction has 2934 states and 3873 transitions. [2019-10-02 04:25:54,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:25:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3873 transitions. [2019-10-02 04:25:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-02 04:25:54,172 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:25:54,173 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:25:54,173 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:25:54,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:25:54,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1643470365, now seen corresponding path program 1 times [2019-10-02 04:25:54,173 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:25:54,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:25:54,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:54,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:25:54,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:25:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:25:54,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:25:54,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:25:54,644 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:25:54,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:25:54,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:54,645 INFO L87 Difference]: Start difference. First operand 2934 states and 3873 transitions. Second operand 3 states. [2019-10-02 04:25:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:25:56,533 INFO L93 Difference]: Finished difference Result 2960 states and 3905 transitions. [2019-10-02 04:25:56,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:25:56,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-02 04:25:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:25:56,569 INFO L225 Difference]: With dead ends: 2960 [2019-10-02 04:25:56,570 INFO L226 Difference]: Without dead ends: 2947 [2019-10-02 04:25:56,576 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:56,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2019-10-02 04:25:56,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2934. [2019-10-02 04:25:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2934 states. [2019-10-02 04:25:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3872 transitions. [2019-10-02 04:25:56,791 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 3872 transitions. Word has length 48 [2019-10-02 04:25:56,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:25:56,792 INFO L475 AbstractCegarLoop]: Abstraction has 2934 states and 3872 transitions. [2019-10-02 04:25:56,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:25:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3872 transitions. [2019-10-02 04:25:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-02 04:25:56,805 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:25:56,805 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:25:56,806 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:25:56,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:25:56,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1700728667, now seen corresponding path program 1 times [2019-10-02 04:25:56,807 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:25:56,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:25:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:56,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:25:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:25:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:25:57,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:25:57,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:25:57,485 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:25:57,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:25:57,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:57,489 INFO L87 Difference]: Start difference. First operand 2934 states and 3872 transitions. Second operand 3 states. [2019-10-02 04:25:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:25:57,823 INFO L93 Difference]: Finished difference Result 8759 states and 12489 transitions. [2019-10-02 04:25:57,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:25:57,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-02 04:25:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:25:57,866 INFO L225 Difference]: With dead ends: 8759 [2019-10-02 04:25:57,867 INFO L226 Difference]: Without dead ends: 5846 [2019-10-02 04:25:57,887 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5846 states. [2019-10-02 04:25:59,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5846 to 5836. [2019-10-02 04:25:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5836 states. [2019-10-02 04:25:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5836 states to 5836 states and 8044 transitions. [2019-10-02 04:25:59,088 INFO L78 Accepts]: Start accepts. Automaton has 5836 states and 8044 transitions. Word has length 48 [2019-10-02 04:25:59,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:25:59,090 INFO L475 AbstractCegarLoop]: Abstraction has 5836 states and 8044 transitions. [2019-10-02 04:25:59,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:25:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 5836 states and 8044 transitions. [2019-10-02 04:25:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-02 04:25:59,093 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:25:59,093 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:25:59,094 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:25:59,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:25:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1182229619, now seen corresponding path program 1 times [2019-10-02 04:25:59,094 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:25:59,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:25:59,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:59,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:25:59,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:25:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:25:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:25:59,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:25:59,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:25:59,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:25:59,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:25:59,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:59,618 INFO L87 Difference]: Start difference. First operand 5836 states and 8044 transitions. Second operand 3 states. [2019-10-02 04:25:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:25:59,794 INFO L93 Difference]: Finished difference Result 5838 states and 8045 transitions. [2019-10-02 04:25:59,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:25:59,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-02 04:25:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:25:59,839 INFO L225 Difference]: With dead ends: 5838 [2019-10-02 04:25:59,839 INFO L226 Difference]: Without dead ends: 5835 [2019-10-02 04:25:59,845 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:25:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2019-10-02 04:26:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5835. [2019-10-02 04:26:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5835 states. [2019-10-02 04:26:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5835 states to 5835 states and 8042 transitions. [2019-10-02 04:26:00,156 INFO L78 Accepts]: Start accepts. Automaton has 5835 states and 8042 transitions. Word has length 49 [2019-10-02 04:26:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:00,157 INFO L475 AbstractCegarLoop]: Abstraction has 5835 states and 8042 transitions. [2019-10-02 04:26:00,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 8042 transitions. [2019-10-02 04:26:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-02 04:26:00,158 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:00,158 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:00,158 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:00,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:00,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2006334114, now seen corresponding path program 1 times [2019-10-02 04:26:00,159 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:00,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:00,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:00,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:00,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:00,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:00,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:00,610 INFO L87 Difference]: Start difference. First operand 5835 states and 8042 transitions. Second operand 3 states. [2019-10-02 04:26:00,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:00,799 INFO L93 Difference]: Finished difference Result 5837 states and 8043 transitions. [2019-10-02 04:26:00,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:00,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-02 04:26:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:00,839 INFO L225 Difference]: With dead ends: 5837 [2019-10-02 04:26:00,840 INFO L226 Difference]: Without dead ends: 5834 [2019-10-02 04:26:00,845 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:00,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5834 states. [2019-10-02 04:26:01,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5834 to 5834. [2019-10-02 04:26:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5834 states. [2019-10-02 04:26:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 8040 transitions. [2019-10-02 04:26:01,170 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 8040 transitions. Word has length 50 [2019-10-02 04:26:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:01,172 INFO L475 AbstractCegarLoop]: Abstraction has 5834 states and 8040 transitions. [2019-10-02 04:26:01,172 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 8040 transitions. [2019-10-02 04:26:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-02 04:26:01,176 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:01,176 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:01,176 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:01,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:01,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2067557162, now seen corresponding path program 1 times [2019-10-02 04:26:01,177 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:01,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:01,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:01,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:01,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:01,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:01,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:01,574 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:01,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:01,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:01,575 INFO L87 Difference]: Start difference. First operand 5834 states and 8040 transitions. Second operand 3 states. [2019-10-02 04:26:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:01,941 INFO L93 Difference]: Finished difference Result 5836 states and 8041 transitions. [2019-10-02 04:26:01,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:01,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-02 04:26:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:01,979 INFO L225 Difference]: With dead ends: 5836 [2019-10-02 04:26:01,980 INFO L226 Difference]: Without dead ends: 5833 [2019-10-02 04:26:01,985 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:01,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5833 states. [2019-10-02 04:26:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5833 to 5833. [2019-10-02 04:26:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5833 states. [2019-10-02 04:26:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8038 transitions. [2019-10-02 04:26:02,299 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8038 transitions. Word has length 51 [2019-10-02 04:26:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:02,300 INFO L475 AbstractCegarLoop]: Abstraction has 5833 states and 8038 transitions. [2019-10-02 04:26:02,300 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8038 transitions. [2019-10-02 04:26:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 04:26:02,301 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:02,303 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:02,303 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:02,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:02,304 INFO L82 PathProgramCache]: Analyzing trace with hash 329500513, now seen corresponding path program 1 times [2019-10-02 04:26:02,304 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:02,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:02,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:02,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:02,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 04:26:02,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:02,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:02,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:02,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:02,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:02,679 INFO L87 Difference]: Start difference. First operand 5833 states and 8038 transitions. Second operand 3 states. [2019-10-02 04:26:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:02,867 INFO L93 Difference]: Finished difference Result 5835 states and 8039 transitions. [2019-10-02 04:26:02,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:02,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-02 04:26:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:02,916 INFO L225 Difference]: With dead ends: 5835 [2019-10-02 04:26:02,916 INFO L226 Difference]: Without dead ends: 5805 [2019-10-02 04:26:02,922 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:02,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5805 states. [2019-10-02 04:26:03,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5805 to 5805. [2019-10-02 04:26:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5805 states. [2019-10-02 04:26:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5805 states to 5805 states and 8006 transitions. [2019-10-02 04:26:03,225 INFO L78 Accepts]: Start accepts. Automaton has 5805 states and 8006 transitions. Word has length 52 [2019-10-02 04:26:03,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:03,225 INFO L475 AbstractCegarLoop]: Abstraction has 5805 states and 8006 transitions. [2019-10-02 04:26:03,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5805 states and 8006 transitions. [2019-10-02 04:26:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-02 04:26:03,245 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:03,245 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:03,245 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:03,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:03,246 INFO L82 PathProgramCache]: Analyzing trace with hash -805193030, now seen corresponding path program 1 times [2019-10-02 04:26:03,246 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:03,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:03,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:03,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:03,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 04:26:03,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:03,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:03,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:03,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:03,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:03,657 INFO L87 Difference]: Start difference. First operand 5805 states and 8006 transitions. Second operand 3 states. [2019-10-02 04:26:05,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:05,951 INFO L93 Difference]: Finished difference Result 11726 states and 16168 transitions. [2019-10-02 04:26:05,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:05,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-02 04:26:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:05,992 INFO L225 Difference]: With dead ends: 11726 [2019-10-02 04:26:05,993 INFO L226 Difference]: Without dead ends: 5942 [2019-10-02 04:26:06,018 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2019-10-02 04:26:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5915. [2019-10-02 04:26:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5915 states. [2019-10-02 04:26:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 5915 states and 8150 transitions. [2019-10-02 04:26:06,331 INFO L78 Accepts]: Start accepts. Automaton has 5915 states and 8150 transitions. Word has length 160 [2019-10-02 04:26:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:06,331 INFO L475 AbstractCegarLoop]: Abstraction has 5915 states and 8150 transitions. [2019-10-02 04:26:06,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 8150 transitions. [2019-10-02 04:26:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-02 04:26:06,350 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:06,350 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:06,350 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:06,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:06,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2081650103, now seen corresponding path program 1 times [2019-10-02 04:26:06,351 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:06,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:06,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:06,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:06,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 04:26:06,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:06,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:06,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:06,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:06,799 INFO L87 Difference]: Start difference. First operand 5915 states and 8150 transitions. Second operand 3 states. [2019-10-02 04:26:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:07,144 INFO L93 Difference]: Finished difference Result 11825 states and 16310 transitions. [2019-10-02 04:26:07,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:07,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-02 04:26:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:07,184 INFO L225 Difference]: With dead ends: 11825 [2019-10-02 04:26:07,185 INFO L226 Difference]: Without dead ends: 5931 [2019-10-02 04:26:07,218 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2019-10-02 04:26:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 5923. [2019-10-02 04:26:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5923 states. [2019-10-02 04:26:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 5923 states and 8158 transitions. [2019-10-02 04:26:07,569 INFO L78 Accepts]: Start accepts. Automaton has 5923 states and 8158 transitions. Word has length 211 [2019-10-02 04:26:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:07,571 INFO L475 AbstractCegarLoop]: Abstraction has 5923 states and 8158 transitions. [2019-10-02 04:26:07,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 8158 transitions. [2019-10-02 04:26:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 04:26:07,600 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:07,601 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:07,601 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:07,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:07,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1214914309, now seen corresponding path program 1 times [2019-10-02 04:26:07,602 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:07,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:07,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:07,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:07,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 04:26:08,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:08,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 04:26:08,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:26:08,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:26:08,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:26:08,149 INFO L87 Difference]: Start difference. First operand 5923 states and 8158 transitions. Second operand 5 states. [2019-10-02 04:26:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:13,096 INFO L93 Difference]: Finished difference Result 17751 states and 24462 transitions. [2019-10-02 04:26:13,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 04:26:13,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2019-10-02 04:26:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:13,174 INFO L225 Difference]: With dead ends: 17751 [2019-10-02 04:26:13,174 INFO L226 Difference]: Without dead ends: 11849 [2019-10-02 04:26:13,210 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 04:26:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11849 states. [2019-10-02 04:26:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11849 to 5939. [2019-10-02 04:26:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5939 states. [2019-10-02 04:26:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5939 states to 5939 states and 8178 transitions. [2019-10-02 04:26:13,643 INFO L78 Accepts]: Start accepts. Automaton has 5939 states and 8178 transitions. Word has length 213 [2019-10-02 04:26:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:13,644 INFO L475 AbstractCegarLoop]: Abstraction has 5939 states and 8178 transitions. [2019-10-02 04:26:13,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:26:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5939 states and 8178 transitions. [2019-10-02 04:26:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 04:26:13,660 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:13,660 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:13,660 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:13,661 INFO L82 PathProgramCache]: Analyzing trace with hash 370908807, now seen corresponding path program 1 times [2019-10-02 04:26:13,661 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:13,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:13,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:13,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:13,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 04:26:14,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:14,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-02 04:26:14,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 04:26:14,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 04:26:14,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 04:26:14,440 INFO L87 Difference]: Start difference. First operand 5939 states and 8178 transitions. Second operand 11 states. [2019-10-02 04:26:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:14,893 INFO L93 Difference]: Finished difference Result 11917 states and 16426 transitions. [2019-10-02 04:26:14,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 04:26:14,894 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 213 [2019-10-02 04:26:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:14,926 INFO L225 Difference]: With dead ends: 11917 [2019-10-02 04:26:14,926 INFO L226 Difference]: Without dead ends: 5999 [2019-10-02 04:26:14,954 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 04:26:14,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5999 states. [2019-10-02 04:26:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5999 to 5999. [2019-10-02 04:26:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5999 states. [2019-10-02 04:26:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5999 states to 5999 states and 8250 transitions. [2019-10-02 04:26:15,460 INFO L78 Accepts]: Start accepts. Automaton has 5999 states and 8250 transitions. Word has length 213 [2019-10-02 04:26:15,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:15,461 INFO L475 AbstractCegarLoop]: Abstraction has 5999 states and 8250 transitions. [2019-10-02 04:26:15,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 04:26:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5999 states and 8250 transitions. [2019-10-02 04:26:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 04:26:15,477 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:15,477 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:15,478 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:15,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1942896410, now seen corresponding path program 1 times [2019-10-02 04:26:15,478 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:15,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:15,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:15,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:15,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 04:26:16,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:16,262 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:26:16,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:19,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 6657 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 04:26:19,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 04:26:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 04:26:20,095 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 04:26:20,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-10-02 04:26:20,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:26:20,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:26:20,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:26:20,097 INFO L87 Difference]: Start difference. First operand 5999 states and 8250 transitions. Second operand 5 states. [2019-10-02 04:26:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:20,844 INFO L93 Difference]: Finished difference Result 11993 states and 16518 transitions. [2019-10-02 04:26:20,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 04:26:20,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2019-10-02 04:26:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:20,892 INFO L225 Difference]: With dead ends: 11993 [2019-10-02 04:26:20,893 INFO L226 Difference]: Without dead ends: 6015 [2019-10-02 04:26:20,913 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:26:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6015 states. [2019-10-02 04:26:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6015 to 6015. [2019-10-02 04:26:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6015 states. [2019-10-02 04:26:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6015 states to 6015 states and 8266 transitions. [2019-10-02 04:26:21,365 INFO L78 Accepts]: Start accepts. Automaton has 6015 states and 8266 transitions. Word has length 213 [2019-10-02 04:26:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:21,367 INFO L475 AbstractCegarLoop]: Abstraction has 6015 states and 8266 transitions. [2019-10-02 04:26:21,367 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:26:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 6015 states and 8266 transitions. [2019-10-02 04:26:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-02 04:26:21,384 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:21,385 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:21,385 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:21,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:21,386 INFO L82 PathProgramCache]: Analyzing trace with hash -90309918, now seen corresponding path program 2 times [2019-10-02 04:26:21,386 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:21,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:21,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:21,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:21,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 04:26:22,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:22,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:26:22,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:26:22,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:26:22,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:22,245 INFO L87 Difference]: Start difference. First operand 6015 states and 8266 transitions. Second operand 3 states. [2019-10-02 04:26:22,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:22,622 INFO L93 Difference]: Finished difference Result 12021 states and 16550 transitions. [2019-10-02 04:26:22,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:26:22,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-10-02 04:26:22,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:22,658 INFO L225 Difference]: With dead ends: 12021 [2019-10-02 04:26:22,658 INFO L226 Difference]: Without dead ends: 6027 [2019-10-02 04:26:22,682 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:26:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6027 states. [2019-10-02 04:26:23,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6027 to 6027. [2019-10-02 04:26:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6027 states. [2019-10-02 04:26:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 8278 transitions. [2019-10-02 04:26:23,100 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 8278 transitions. Word has length 215 [2019-10-02 04:26:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:23,101 INFO L475 AbstractCegarLoop]: Abstraction has 6027 states and 8278 transitions. [2019-10-02 04:26:23,101 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:26:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 8278 transitions. [2019-10-02 04:26:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-02 04:26:23,123 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:23,124 INFO L411 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:23,124 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:23,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1123401021, now seen corresponding path program 1 times [2019-10-02 04:26:23,125 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:23,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:23,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:23,136 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:26:23,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-02 04:26:24,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:26:24,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 04:26:24,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 04:26:24,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 04:26:24,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 04:26:24,545 INFO L87 Difference]: Start difference. First operand 6027 states and 8278 transitions. Second operand 8 states. [2019-10-02 04:26:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:26:29,521 INFO L93 Difference]: Finished difference Result 12053 states and 16584 transitions. [2019-10-02 04:26:29,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:26:29,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 225 [2019-10-02 04:26:29,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:26:29,560 INFO L225 Difference]: With dead ends: 12053 [2019-10-02 04:26:29,560 INFO L226 Difference]: Without dead ends: 6047 [2019-10-02 04:26:29,581 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-02 04:26:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6047 states. [2019-10-02 04:26:29,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6047 to 6027. [2019-10-02 04:26:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6027 states. [2019-10-02 04:26:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 8276 transitions. [2019-10-02 04:26:29,952 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 8276 transitions. Word has length 225 [2019-10-02 04:26:29,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:26:29,953 INFO L475 AbstractCegarLoop]: Abstraction has 6027 states and 8276 transitions. [2019-10-02 04:26:29,953 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 04:26:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 8276 transitions. [2019-10-02 04:26:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-02 04:26:29,984 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:26:29,984 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:26:29,984 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:26:29,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:26:29,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1358301758, now seen corresponding path program 1 times [2019-10-02 04:26:29,985 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:26:29,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:26:29,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:29,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:29,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:26:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:26:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-02 04:26:31,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:26:31,201 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:26:31,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:26:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 04:26:46,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:26:46,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-10-02 04:26:46,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 04:26:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 04:26:46,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-02 04:26:46,438 INFO L87 Difference]: Start difference. First operand 6027 states and 8276 transitions. Second operand 11 states. [2019-10-02 04:27:31,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:27:31,129 INFO L93 Difference]: Finished difference Result 16203 states and 22535 transitions. [2019-10-02 04:27:31,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 04:27:31,130 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 282 [2019-10-02 04:27:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:27:31,182 INFO L225 Difference]: With dead ends: 16203 [2019-10-02 04:27:31,183 INFO L226 Difference]: Without dead ends: 10197 [2019-10-02 04:27:31,199 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2019-10-02 04:27:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10197 states. [2019-10-02 04:27:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10197 to 10009. [2019-10-02 04:27:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10009 states. [2019-10-02 04:27:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10009 states to 10009 states and 13982 transitions. [2019-10-02 04:27:31,763 INFO L78 Accepts]: Start accepts. Automaton has 10009 states and 13982 transitions. Word has length 282 [2019-10-02 04:27:31,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:27:31,763 INFO L475 AbstractCegarLoop]: Abstraction has 10009 states and 13982 transitions. [2019-10-02 04:27:31,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 04:27:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 10009 states and 13982 transitions. [2019-10-02 04:27:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-02 04:27:31,798 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:27:31,798 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:27:31,798 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:27:31,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:27:31,799 INFO L82 PathProgramCache]: Analyzing trace with hash -185003542, now seen corresponding path program 2 times [2019-10-02 04:27:31,799 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:27:31,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:27:31,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:31,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:27:31,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:27:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:27:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-02 04:27:33,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:27:33,142 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:27:33,505 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 04:27:59,721 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 04:27:59,722 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 04:28:00,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:28:00,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-10-02 04:28:00,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 04:28:00,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 04:28:00,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 04:28:00,763 INFO L87 Difference]: Start difference. First operand 10009 states and 13982 transitions. Second operand 9 states. [2019-10-02 04:28:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:29,426 INFO L93 Difference]: Finished difference Result 20313 states and 28521 transitions. [2019-10-02 04:28:29,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 04:28:29,427 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 282 [2019-10-02 04:28:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:29,483 INFO L225 Difference]: With dead ends: 20313 [2019-10-02 04:28:29,483 INFO L226 Difference]: Without dead ends: 10325 [2019-10-02 04:28:29,514 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2019-10-02 04:28:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10325 states. [2019-10-02 04:28:30,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10325 to 10019. [2019-10-02 04:28:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10019 states. [2019-10-02 04:28:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10019 states to 10019 states and 13990 transitions. [2019-10-02 04:28:30,364 INFO L78 Accepts]: Start accepts. Automaton has 10019 states and 13990 transitions. Word has length 282 [2019-10-02 04:28:30,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:30,365 INFO L475 AbstractCegarLoop]: Abstraction has 10019 states and 13990 transitions. [2019-10-02 04:28:30,365 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 04:28:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 10019 states and 13990 transitions. [2019-10-02 04:28:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-02 04:28:30,411 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:30,411 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:28:30,412 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:30,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:30,412 INFO L82 PathProgramCache]: Analyzing trace with hash 98104890, now seen corresponding path program 1 times [2019-10-02 04:28:30,412 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:30,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:30,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:30,424 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 04:28:30,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-02 04:28:30,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:28:30,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 04:28:30,812 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 04:28:30,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 04:28:30,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:28:30,813 INFO L87 Difference]: Start difference. First operand 10019 states and 13990 transitions. Second operand 3 states. [2019-10-02 04:28:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:31,404 INFO L93 Difference]: Finished difference Result 20203 states and 28564 transitions. [2019-10-02 04:28:31,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 04:28:31,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2019-10-02 04:28:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:31,460 INFO L225 Difference]: With dead ends: 20203 [2019-10-02 04:28:31,460 INFO L226 Difference]: Without dead ends: 10205 [2019-10-02 04:28:31,489 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 04:28:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10205 states. [2019-10-02 04:28:32,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10205 to 10035. [2019-10-02 04:28:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10035 states. [2019-10-02 04:28:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14006 transitions. [2019-10-02 04:28:32,093 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14006 transitions. Word has length 285 [2019-10-02 04:28:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:32,094 INFO L475 AbstractCegarLoop]: Abstraction has 10035 states and 14006 transitions. [2019-10-02 04:28:32,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 04:28:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14006 transitions. [2019-10-02 04:28:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-02 04:28:32,120 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:32,121 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:28:32,121 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:32,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:32,122 INFO L82 PathProgramCache]: Analyzing trace with hash 697260167, now seen corresponding path program 1 times [2019-10-02 04:28:32,122 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:32,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:32,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:32,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:32,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-02 04:28:33,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:28:33,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 04:28:33,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 04:28:33,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 04:28:33,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 04:28:33,178 INFO L87 Difference]: Start difference. First operand 10035 states and 14006 transitions. Second operand 8 states. [2019-10-02 04:28:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:37,872 INFO L93 Difference]: Finished difference Result 20049 states and 28030 transitions. [2019-10-02 04:28:37,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:28:37,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 283 [2019-10-02 04:28:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:37,915 INFO L225 Difference]: With dead ends: 20049 [2019-10-02 04:28:37,915 INFO L226 Difference]: Without dead ends: 10035 [2019-10-02 04:28:37,942 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2019-10-02 04:28:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2019-10-02 04:28:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10025. [2019-10-02 04:28:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10025 states. [2019-10-02 04:28:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10025 states to 10025 states and 13992 transitions. [2019-10-02 04:28:38,522 INFO L78 Accepts]: Start accepts. Automaton has 10025 states and 13992 transitions. Word has length 283 [2019-10-02 04:28:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:38,523 INFO L475 AbstractCegarLoop]: Abstraction has 10025 states and 13992 transitions. [2019-10-02 04:28:38,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 04:28:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 10025 states and 13992 transitions. [2019-10-02 04:28:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-02 04:28:38,544 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:38,545 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:28:38,545 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:38,546 INFO L82 PathProgramCache]: Analyzing trace with hash -666493587, now seen corresponding path program 1 times [2019-10-02 04:28:38,546 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:38,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:38,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:38,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:38,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-02 04:28:39,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:28:39,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 04:28:39,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:28:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:28:39,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:28:39,049 INFO L87 Difference]: Start difference. First operand 10025 states and 13992 transitions. Second operand 5 states. [2019-10-02 04:28:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:39,583 INFO L93 Difference]: Finished difference Result 19991 states and 27900 transitions. [2019-10-02 04:28:39,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 04:28:39,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 289 [2019-10-02 04:28:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:39,630 INFO L225 Difference]: With dead ends: 19991 [2019-10-02 04:28:39,630 INFO L226 Difference]: Without dead ends: 9987 [2019-10-02 04:28:39,658 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:28:39,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9987 states. [2019-10-02 04:28:40,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9987 to 9901. [2019-10-02 04:28:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9901 states. [2019-10-02 04:28:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 13736 transitions. [2019-10-02 04:28:40,179 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 13736 transitions. Word has length 289 [2019-10-02 04:28:40,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:40,179 INFO L475 AbstractCegarLoop]: Abstraction has 9901 states and 13736 transitions. [2019-10-02 04:28:40,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:28:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 13736 transitions. [2019-10-02 04:28:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-02 04:28:40,190 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:40,191 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:28:40,191 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:40,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:40,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1718031607, now seen corresponding path program 1 times [2019-10-02 04:28:40,191 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:40,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:40,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:40,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:40,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-02 04:28:40,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:28:40,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 04:28:40,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 04:28:40,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 04:28:40,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:28:40,625 INFO L87 Difference]: Start difference. First operand 9901 states and 13736 transitions. Second operand 5 states. [2019-10-02 04:28:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:28:41,374 INFO L93 Difference]: Finished difference Result 19781 states and 27456 transitions. [2019-10-02 04:28:41,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 04:28:41,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2019-10-02 04:28:41,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:28:41,415 INFO L225 Difference]: With dead ends: 19781 [2019-10-02 04:28:41,415 INFO L226 Difference]: Without dead ends: 9901 [2019-10-02 04:28:41,439 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 04:28:41,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9901 states. [2019-10-02 04:28:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9901 to 9901. [2019-10-02 04:28:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9901 states. [2019-10-02 04:28:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 13730 transitions. [2019-10-02 04:28:42,036 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 13730 transitions. Word has length 303 [2019-10-02 04:28:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:28:42,037 INFO L475 AbstractCegarLoop]: Abstraction has 9901 states and 13730 transitions. [2019-10-02 04:28:42,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 04:28:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 13730 transitions. [2019-10-02 04:28:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-02 04:28:42,043 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:28:42,043 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:28:42,044 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:28:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:28:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash -767965666, now seen corresponding path program 1 times [2019-10-02 04:28:42,044 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:28:42,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:28:42,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:42,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:42,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:28:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:28:44,946 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-10-02 04:28:45,163 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-10-02 04:28:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-02 04:28:45,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:28:45,287 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:28:45,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:28:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 04:29:00,134 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:29:00,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-10-02 04:29:00,135 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 04:29:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 04:29:00,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-10-02 04:29:00,136 INFO L87 Difference]: Start difference. First operand 9901 states and 13730 transitions. Second operand 15 states. [2019-10-02 04:29:48,981 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-10-02 04:29:49,163 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-10-02 04:31:09,193 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-10-02 04:31:09,569 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-10-02 04:31:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:31:13,732 INFO L93 Difference]: Finished difference Result 19965 states and 27751 transitions. [2019-10-02 04:31:13,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-02 04:31:13,733 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 310 [2019-10-02 04:31:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:31:13,774 INFO L225 Difference]: With dead ends: 19965 [2019-10-02 04:31:13,774 INFO L226 Difference]: Without dead ends: 10081 [2019-10-02 04:31:13,805 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-02 04:31:13,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2019-10-02 04:31:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 9893. [2019-10-02 04:31:14,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9893 states. [2019-10-02 04:31:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 13722 transitions. [2019-10-02 04:31:14,469 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 13722 transitions. Word has length 310 [2019-10-02 04:31:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:31:14,470 INFO L475 AbstractCegarLoop]: Abstraction has 9893 states and 13722 transitions. [2019-10-02 04:31:14,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 04:31:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 13722 transitions. [2019-10-02 04:31:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-10-02 04:31:14,480 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:31:14,480 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:31:14,481 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:31:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:31:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash 407514939, now seen corresponding path program 1 times [2019-10-02 04:31:14,481 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:31:14,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:31:14,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:31:14,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:31:14,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:31:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:31:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-02 04:31:20,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:31:20,086 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:31:20,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:31:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 04:31:35,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:31:35,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-10-02 04:31:35,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 04:31:35,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 04:31:35,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-10-02 04:31:35,007 INFO L87 Difference]: Start difference. First operand 9893 states and 13722 transitions. Second operand 15 states. [2019-10-02 04:31:56,589 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-10-02 04:32:03,540 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-10-02 04:33:02,541 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-10-02 04:33:05,387 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-10-02 04:33:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:33:09,719 INFO L93 Difference]: Finished difference Result 25450 states and 35732 transitions. [2019-10-02 04:33:09,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-02 04:33:09,721 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 311 [2019-10-02 04:33:09,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:33:09,770 INFO L225 Difference]: With dead ends: 25450 [2019-10-02 04:33:09,770 INFO L226 Difference]: Without dead ends: 15574 [2019-10-02 04:33:09,788 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=139, Invalid=728, Unknown=3, NotChecked=0, Total=870 [2019-10-02 04:33:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15574 states. [2019-10-02 04:33:10,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15574 to 15387. [2019-10-02 04:33:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15387 states. [2019-10-02 04:33:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15387 states to 15387 states and 21695 transitions. [2019-10-02 04:33:10,750 INFO L78 Accepts]: Start accepts. Automaton has 15387 states and 21695 transitions. Word has length 311 [2019-10-02 04:33:10,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:33:10,751 INFO L475 AbstractCegarLoop]: Abstraction has 15387 states and 21695 transitions. [2019-10-02 04:33:10,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 04:33:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15387 states and 21695 transitions. [2019-10-02 04:33:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-02 04:33:10,766 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:33:10,766 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:33:10,766 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:33:10,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:33:10,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1549129051, now seen corresponding path program 1 times [2019-10-02 04:33:10,767 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:33:10,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:33:10,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:33:10,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:33:10,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:33:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:33:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-10-02 04:33:11,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 04:33:11,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 04:33:11,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 04:33:11,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 04:33:11,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 04:33:11,443 INFO L87 Difference]: Start difference. First operand 15387 states and 21695 transitions. Second operand 9 states. [2019-10-02 04:33:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:33:12,006 INFO L93 Difference]: Finished difference Result 30841 states and 43572 transitions. [2019-10-02 04:33:12,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 04:33:12,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 376 [2019-10-02 04:33:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:33:12,077 INFO L225 Difference]: With dead ends: 30841 [2019-10-02 04:33:12,078 INFO L226 Difference]: Without dead ends: 15475 [2019-10-02 04:33:12,123 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 04:33:12,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15475 states. [2019-10-02 04:33:13,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15475 to 15435. [2019-10-02 04:33:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15435 states. [2019-10-02 04:33:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15435 states to 15435 states and 21751 transitions. [2019-10-02 04:33:13,051 INFO L78 Accepts]: Start accepts. Automaton has 15435 states and 21751 transitions. Word has length 376 [2019-10-02 04:33:13,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:33:13,052 INFO L475 AbstractCegarLoop]: Abstraction has 15435 states and 21751 transitions. [2019-10-02 04:33:13,052 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 04:33:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 15435 states and 21751 transitions. [2019-10-02 04:33:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-02 04:33:13,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:33:13,066 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:33:13,066 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:33:13,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:33:13,067 INFO L82 PathProgramCache]: Analyzing trace with hash 887539578, now seen corresponding path program 1 times [2019-10-02 04:33:13,067 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:33:13,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:33:13,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:33:13,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:33:13,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:33:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:33:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-02 04:33:20,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:33:20,715 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:33:21,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:33:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 04:33:35,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:33:35,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2019-10-02 04:33:35,788 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-10-02 04:33:35,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-10-02 04:33:35,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=915, Unknown=0, NotChecked=0, Total=992 [2019-10-02 04:33:35,789 INFO L87 Difference]: Start difference. First operand 15435 states and 21751 transitions. Second operand 32 states. [2019-10-02 04:34:51,910 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2019-10-02 04:34:56,825 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-10-02 04:35:14,530 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2019-10-02 04:35:19,706 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2019-10-02 04:35:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:35:43,571 INFO L93 Difference]: Finished difference Result 43888 states and 62826 transitions. [2019-10-02 04:35:43,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-10-02 04:35:43,571 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 376 [2019-10-02 04:35:43,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:35:43,654 INFO L225 Difference]: With dead ends: 43888 [2019-10-02 04:35:43,654 INFO L226 Difference]: Without dead ends: 28427 [2019-10-02 04:35:43,689 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1920 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=607, Invalid=7225, Unknown=0, NotChecked=0, Total=7832 [2019-10-02 04:35:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28427 states. [2019-10-02 04:35:44,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28427 to 25085. [2019-10-02 04:35:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25085 states. [2019-10-02 04:35:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25085 states to 25085 states and 34940 transitions. [2019-10-02 04:35:44,835 INFO L78 Accepts]: Start accepts. Automaton has 25085 states and 34940 transitions. Word has length 376 [2019-10-02 04:35:44,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:35:44,836 INFO L475 AbstractCegarLoop]: Abstraction has 25085 states and 34940 transitions. [2019-10-02 04:35:44,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-10-02 04:35:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25085 states and 34940 transitions. [2019-10-02 04:35:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-10-02 04:35:44,850 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:35:44,850 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:35:44,850 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:35:44,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:35:44,851 INFO L82 PathProgramCache]: Analyzing trace with hash -140249769, now seen corresponding path program 1 times [2019-10-02 04:35:44,851 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:35:44,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:35:44,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:35:44,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:35:44,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:35:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 04:35:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-02 04:35:52,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 04:35:52,950 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 04:35:53,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:36:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 04:36:07,875 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 04:36:07,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2019-10-02 04:36:07,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-10-02 04:36:07,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-10-02 04:36:07,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2019-10-02 04:36:07,878 INFO L87 Difference]: Start difference. First operand 25085 states and 34940 transitions. Second operand 32 states. [2019-10-02 04:37:26,346 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2019-10-02 04:37:31,316 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-10-02 04:37:50,572 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2019-10-02 04:38:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 04:38:25,178 INFO L93 Difference]: Finished difference Result 57218 states and 80754 transitions. [2019-10-02 04:38:25,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-10-02 04:38:25,179 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 377 [2019-10-02 04:38:25,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 04:38:25,269 INFO L225 Difference]: With dead ends: 57218 [2019-10-02 04:38:25,269 INFO L226 Difference]: Without dead ends: 32119 [2019-10-02 04:38:25,320 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1892 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=616, Invalid=7394, Unknown=0, NotChecked=0, Total=8010 [2019-10-02 04:38:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32119 states. [2019-10-02 04:38:26,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32119 to 28383. [2019-10-02 04:38:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28383 states. [2019-10-02 04:38:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28383 states to 28383 states and 39459 transitions. [2019-10-02 04:38:26,566 INFO L78 Accepts]: Start accepts. Automaton has 28383 states and 39459 transitions. Word has length 377 [2019-10-02 04:38:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 04:38:26,566 INFO L475 AbstractCegarLoop]: Abstraction has 28383 states and 39459 transitions. [2019-10-02 04:38:26,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-10-02 04:38:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 28383 states and 39459 transitions. [2019-10-02 04:38:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-10-02 04:38:26,582 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 04:38:26,582 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 04:38:26,582 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 04:38:26,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 04:38:26,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1636508985, now seen corresponding path program 1 times [2019-10-02 04:38:26,583 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 04:38:26,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 04:38:26,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:38:26,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 04:38:26,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 04:38:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat