java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 18:07:29,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 18:07:29,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 18:07:29,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 18:07:29,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 18:07:29,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 18:07:29,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 18:07:29,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 18:07:29,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 18:07:29,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 18:07:29,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 18:07:29,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 18:07:29,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 18:07:29,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 18:07:29,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 18:07:29,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 18:07:29,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 18:07:29,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 18:07:29,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 18:07:29,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 18:07:29,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 18:07:29,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 18:07:29,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 18:07:29,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 18:07:29,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 18:07:29,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 18:07:29,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 18:07:29,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 18:07:29,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 18:07:29,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 18:07:29,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 18:07:29,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 18:07:29,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 18:07:29,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 18:07:29,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 18:07:29,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 18:07:29,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 18:07:29,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 18:07:29,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 18:07:29,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 18:07:29,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 18:07:29,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 18:07:29,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 18:07:29,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 18:07:29,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 18:07:29,151 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 18:07:29,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 18:07:29,152 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 18:07:29,152 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 18:07:29,152 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 18:07:29,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 18:07:29,152 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 18:07:29,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 18:07:29,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 18:07:29,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 18:07:29,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 18:07:29,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 18:07:29,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 18:07:29,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 18:07:29,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 18:07:29,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 18:07:29,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 18:07:29,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 18:07:29,155 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 18:07:29,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 18:07:29,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 18:07:29,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 18:07:29,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 18:07:29,156 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 18:07:29,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 18:07:29,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 18:07:29,157 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 18:07:29,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 18:07:29,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 18:07:29,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 18:07:29,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 18:07:29,201 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 18:07:29,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-09-10 18:07:29,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e5a01280/759ee0cdbb66469daf14346576c946f3/FLAG68c05aa67 [2019-09-10 18:07:30,117 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 18:07:30,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-09-10 18:07:30,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e5a01280/759ee0cdbb66469daf14346576c946f3/FLAG68c05aa67 [2019-09-10 18:07:30,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e5a01280/759ee0cdbb66469daf14346576c946f3 [2019-09-10 18:07:30,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 18:07:30,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 18:07:30,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 18:07:30,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 18:07:30,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 18:07:30,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 06:07:30" (1/1) ... [2019-09-10 18:07:30,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217fca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:30, skipping insertion in model container [2019-09-10 18:07:30,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 06:07:30" (1/1) ... [2019-09-10 18:07:30,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 18:07:30,720 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 18:07:34,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 18:07:34,120 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 18:07:34,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 18:07:35,945 INFO L192 MainTranslator]: Completed translation [2019-09-10 18:07:35,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35 WrapperNode [2019-09-10 18:07:35,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 18:07:35,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 18:07:35,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 18:07:35,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 18:07:35,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:35,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... [2019-09-10 18:07:36,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 18:07:36,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 18:07:36,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 18:07:36,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 18:07:36,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 18:07:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 18:07:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-10 18:07:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-10 18:07:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-10 18:07:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-10 18:07:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-10 18:07:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-10 18:07:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-10 18:07:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 18:07:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 18:07:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 18:07:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 18:07:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 18:07:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 18:07:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 18:07:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 18:07:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 18:07:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 18:07:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-10 18:07:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 18:07:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2019-09-10 18:07:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_free_outbuf [2019-09-10 18:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_alloc_outbuf [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_outbuf [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_bulk_completeout [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_bulkout_msg [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_bulk_completein [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_bulkin_msg [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2019-09-10 18:07:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2019-09-10 18:07:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2019-09-10 18:07:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2019-09-10 18:07:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2019-09-10 18:07:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2019-09-10 18:07:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_24bit [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_24bit [2019-09-10 18:07:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2019-09-10 18:07:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregmask [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2019-09-10 18:07:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2019-09-10 18:07:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2019-09-10 18:07:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2019-09-10 18:07:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2019-09-10 18:07:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getbuswidth [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_verify_mclk [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_rank [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_ranks [2019-09-10 18:07:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sdram_size [2019-09-10 18:07:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setup_screen [2019-09-10 18:07:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2019-09-10 18:07:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxcore [2019-09-10 18:07:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_ramconfig [2019-09-10 18:07:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_do_init_gfxdevice [2019-09-10 18:07:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2019-09-10 18:07:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2019-09-10 18:07:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_open [2019-09-10 18:07:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_delete [2019-09-10 18:07:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_release [2019-09-10 18:07:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read [2019-09-10 18:07:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write [2019-09-10 18:07:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_lseek [2019-09-10 18:07:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_handle_command [2019-09-10 18:07:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2019-09-10 18:07:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_compat_ioctl [2019-09-10 18:07:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_probe [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sisusb_init [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sisusb_exit [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 18:07:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-10 18:07:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-10 18:07:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-10 18:07:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-09-10 18:07:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-09-10 18:07:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-10 18:07:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-09-10 18:07:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-10 18:07:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-09-10 18:07:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-09-10 18:07:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-09-10 18:07:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-09-10 18:07:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-09-10 18:07:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_27 [2019-09-10 18:07:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-09-10 18:07:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2019-09-10 18:07:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2019-09-10 18:07:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2019-09-10 18:07:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2019-09-10 18:07:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBRegInit [2019-09-10 18:07:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetSysFlags [2019-09-10 18:07:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSInitPCIetc [2019-09-10 18:07:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegRegLower [2019-09-10 18:07:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegRegUpper [2019-09-10 18:07:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2019-09-10 18:07:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_ResetSegmentReg [2019-09-10 18:07:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentRegOver [2019-09-10 18:07:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_ResetSegmentRegOver [2019-09-10 18:07:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_ResetSegmentRegisters [2019-09-10 18:07:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SearchModeID [2019-09-10 18:07:36,817 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_HandleCRT1 [2019-09-10 18:07:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetColorDepth [2019-09-10 18:07:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetOffset [2019-09-10 18:07:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSeqRegs [2019-09-10 18:07:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetMiscRegs [2019-09-10 18:07:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRTCRegs [2019-09-10 18:07:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetATTRegs [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetGRCRegs [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_ClearExt1Regs [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRatePtr [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1Sync [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1CRTC [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1Offset [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1VCLK [2019-09-10 18:07:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1FIFO_310 [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetVCLKState [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1ModeRegs [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_LoadDAC [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetCRT1Group [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetVESAMode [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_57 [2019-09-10 18:07:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_memsetw [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_initialize [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2019-09-10 18:07:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_startup [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_build_attr [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_invert_region [2019-09-10 18:07:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_putc [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_putcs [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_clear [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_bmove [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_switch [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_palette [2019-09-10 18:07:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_blank [2019-09-10 18:07:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_scrolldelta [2019-09-10 18:07:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2019-09-10 18:07:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_scroll_area [2019-09-10 18:07:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_scroll [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_origin [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_resize [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_font_set [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_font_get [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_startup [2019-09-10 18:07:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_dummy [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_console_init [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_console_exit [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_concode [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main2_sequence_infinite_withcheck_stateful [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_61 [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_62 [2019-09-10 18:07:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_63 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_64 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_65 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_66 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_67 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_68 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_69 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_70 [2019-09-10 18:07:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_71 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_72 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_73 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_74 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_75 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_76 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_77 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_78 [2019-09-10 18:07:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_79 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_80 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_81 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_83 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_84 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_86 [2019-09-10 18:07:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_87 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_88 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_89 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_90 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_91 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_92 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_93 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_94 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_95 [2019-09-10 18:07:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_96 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_97 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_98 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_99 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_100 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_101 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_102 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_103 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_104 [2019-09-10 18:07:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_105 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_106 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_107 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_108 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_109 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_110 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_111 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_112 [2019-09-10 18:07:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_113 [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_114 [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 18:07:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 18:07:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 18:07:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 18:07:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 18:07:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_sisusb_usb_data [2019-09-10 18:07:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_sisusb_usb_data [2019-09-10 18:07:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_sisusb_usb_data [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 18:07:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 18:07:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2019-09-10 18:07:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 18:07:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-10 18:07:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 18:07:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 18:07:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 18:07:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 18:07:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-10 18:07:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 18:07:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 18:07:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 18:07:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 18:07:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-10 18:07:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 18:07:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-10 18:07:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 18:07:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_27 [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 18:07:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 18:07:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-10 18:07:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 18:07:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 18:07:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 18:07:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 18:07:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 18:07:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 18:07:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 18:07:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetVESAMode [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2019-09-10 18:07:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_delete [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2019-09-10 18:07:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_console_init [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_console_exit [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_concode [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2019-09-10 18:07:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_free_outbuf [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_alloc_outbuf [2019-09-10 18:07:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_outbuf [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_bulk_completeout [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_bulkout_msg [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_bulk_completein [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_bulkin_msg [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2019-09-10 18:07:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_24bit [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2019-09-10 18:07:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_24bit [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregmask [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getbuswidth [2019-09-10 18:07:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_verify_mclk [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_rank [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_ranks [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sdram_size [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setup_screen [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxcore [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_ramconfig [2019-09-10 18:07:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_do_init_gfxdevice [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_open [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_release [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_lseek [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_handle_command [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2019-09-10 18:07:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_compat_ioctl [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_probe [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sisusb_init [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sisusb_exit [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 18:07:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_57 [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2019-09-10 18:07:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBRegInit [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetSysFlags [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiSInitPCIetc [2019-09-10 18:07:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegRegLower [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegRegUpper [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_ResetSegmentReg [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentRegOver [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_ResetSegmentRegOver [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_ResetSegmentRegisters [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SearchModeID [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_HandleCRT1 [2019-09-10 18:07:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetColorDepth [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetOffset [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSeqRegs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetMiscRegs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRTCRegs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetATTRegs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetGRCRegs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_ClearExt1Regs [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRatePtr [2019-09-10 18:07:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1Sync [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1CRTC [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1Offset [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1VCLK [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1FIFO_310 [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetVCLKState [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1ModeRegs [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_LoadDAC [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetCRT1Group [2019-09-10 18:07:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_64 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_62 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_65 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_67 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_69 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_70 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_72 [2019-09-10 18:07:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_73 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_74 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_75 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_76 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_77 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_78 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_79 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_80 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_81 [2019-09-10 18:07:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_83 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_84 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_86 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_87 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_88 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_89 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_90 [2019-09-10 18:07:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_91 [2019-09-10 18:07:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_92 [2019-09-10 18:07:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_93 [2019-09-10 18:07:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_94 [2019-09-10 18:07:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_95 [2019-09-10 18:07:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_96 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_97 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_98 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_99 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_100 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_101 [2019-09-10 18:07:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_102 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_103 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_104 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_105 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_106 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_107 [2019-09-10 18:07:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_109 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_110 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_111 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_112 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_113 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_114 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_61 [2019-09-10 18:07:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_63 [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_66 [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_68 [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_71 [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_108 [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-09-10 18:07:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_memsetw [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_initialize [2019-09-10 18:07:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_startup [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2019-09-10 18:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_build_attr [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_invert_region [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_putc [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_putcs [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_clear [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_bmove [2019-09-10 18:07:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_switch [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_palette [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_blank [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_scrolldelta [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_scroll_area [2019-09-10 18:07:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_scroll [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_origin [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_resize [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_font_set [2019-09-10 18:07:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_font_get [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_startup [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_dummy [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main2_sequence_infinite_withcheck_stateful [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 18:07:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_sisusb_usb_data [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_sisusb_usb_data [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_sisusb_usb_data [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_sisusb_usb_data [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 18:07:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 18:07:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 18:07:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 18:07:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 18:07:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 18:07:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 18:07:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 18:08:09,571 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 18:08:09,572 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 18:08:09,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 06:08:09 BoogieIcfgContainer [2019-09-10 18:08:09,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 18:08:09,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 18:08:09,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 18:08:09,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 18:08:09,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 06:07:30" (1/3) ... [2019-09-10 18:08:09,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d44fd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 06:08:09, skipping insertion in model container [2019-09-10 18:08:09,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:07:35" (2/3) ... [2019-09-10 18:08:09,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d44fd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 06:08:09, skipping insertion in model container [2019-09-10 18:08:09,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 06:08:09" (3/3) ... [2019-09-10 18:08:09,583 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-09-10 18:08:09,592 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 18:08:09,603 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 18:08:09,620 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 18:08:09,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 18:08:09,645 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 18:08:09,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 18:08:09,645 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 18:08:09,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 18:08:09,645 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 18:08:09,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 18:08:09,645 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 18:08:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states. [2019-09-10 18:08:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-09-10 18:08:09,724 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:09,725 INFO L399 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] [2019-09-10 18:08:09,728 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:09,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:09,733 INFO L82 PathProgramCache]: Analyzing trace with hash -188200220, now seen corresponding path program 1 times [2019-09-10 18:08:09,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:09,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:09,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:09,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:09,803 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 18:08:10,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:10,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:10,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:10,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:10,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:10,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:10,645 INFO L87 Difference]: Start difference. First operand 3894 states. Second operand 3 states. [2019-09-10 18:08:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:10,962 INFO L93 Difference]: Finished difference Result 3217 states and 4540 transitions. [2019-09-10 18:08:10,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:10,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-09-10 18:08:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:11,021 INFO L225 Difference]: With dead ends: 3217 [2019-09-10 18:08:11,021 INFO L226 Difference]: Without dead ends: 3210 [2019-09-10 18:08:11,023 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:11,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3210 states. [2019-09-10 18:08:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3210 to 3209. [2019-09-10 18:08:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3209 states. [2019-09-10 18:08:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 4532 transitions. [2019-09-10 18:08:11,333 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 4532 transitions. Word has length 33 [2019-09-10 18:08:11,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:11,335 INFO L475 AbstractCegarLoop]: Abstraction has 3209 states and 4532 transitions. [2019-09-10 18:08:11,335 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 4532 transitions. [2019-09-10 18:08:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-09-10 18:08:11,339 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:11,339 INFO L399 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] [2019-09-10 18:08:11,340 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:11,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:11,340 INFO L82 PathProgramCache]: Analyzing trace with hash -855737120, now seen corresponding path program 1 times [2019-09-10 18:08:11,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:11,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:11,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:11,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:11,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 18:08:11,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:11,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:11,896 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:11,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:11,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:11,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:11,898 INFO L87 Difference]: Start difference. First operand 3209 states and 4532 transitions. Second operand 3 states. [2019-09-10 18:08:12,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:12,670 INFO L93 Difference]: Finished difference Result 3208 states and 4530 transitions. [2019-09-10 18:08:12,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:12,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-09-10 18:08:12,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:12,696 INFO L225 Difference]: With dead ends: 3208 [2019-09-10 18:08:12,696 INFO L226 Difference]: Without dead ends: 3208 [2019-09-10 18:08:12,697 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-09-10 18:08:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3208. [2019-09-10 18:08:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-09-10 18:08:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4530 transitions. [2019-09-10 18:08:12,821 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4530 transitions. Word has length 35 [2019-09-10 18:08:12,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:12,822 INFO L475 AbstractCegarLoop]: Abstraction has 3208 states and 4530 transitions. [2019-09-10 18:08:12,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4530 transitions. [2019-09-10 18:08:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-09-10 18:08:12,824 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:12,824 INFO L399 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] [2019-09-10 18:08:12,824 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:12,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:12,825 INFO L82 PathProgramCache]: Analyzing trace with hash -760086675, now seen corresponding path program 1 times [2019-09-10 18:08:12,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:12,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:12,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:12,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:12,829 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 18:08:13,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:13,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:13,314 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:13,314 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:13,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:13,315 INFO L87 Difference]: Start difference. First operand 3208 states and 4530 transitions. Second operand 3 states. [2019-09-10 18:08:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:14,526 INFO L93 Difference]: Finished difference Result 5144 states and 7276 transitions. [2019-09-10 18:08:14,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:14,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-09-10 18:08:14,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:14,574 INFO L225 Difference]: With dead ends: 5144 [2019-09-10 18:08:14,574 INFO L226 Difference]: Without dead ends: 5144 [2019-09-10 18:08:14,575 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2019-09-10 18:08:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 5141. [2019-09-10 18:08:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2019-09-10 18:08:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 7274 transitions. [2019-09-10 18:08:15,052 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 7274 transitions. Word has length 36 [2019-09-10 18:08:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:15,053 INFO L475 AbstractCegarLoop]: Abstraction has 5141 states and 7274 transitions. [2019-09-10 18:08:15,053 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 7274 transitions. [2019-09-10 18:08:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-09-10 18:08:15,056 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:15,056 INFO L399 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] [2019-09-10 18:08:15,057 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:15,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:15,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2089885309, now seen corresponding path program 1 times [2019-09-10 18:08:15,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:15,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:15,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:15,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:15,064 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 18:08:15,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:15,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:15,489 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:15,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:15,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:15,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:15,490 INFO L87 Difference]: Start difference. First operand 5141 states and 7274 transitions. Second operand 3 states. [2019-09-10 18:08:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:16,309 INFO L93 Difference]: Finished difference Result 5140 states and 7272 transitions. [2019-09-10 18:08:16,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:16,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-09-10 18:08:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:16,422 INFO L225 Difference]: With dead ends: 5140 [2019-09-10 18:08:16,422 INFO L226 Difference]: Without dead ends: 5128 [2019-09-10 18:08:16,423 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5128 states. [2019-09-10 18:08:16,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5128 to 5128. [2019-09-10 18:08:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5128 states. [2019-09-10 18:08:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7255 transitions. [2019-09-10 18:08:16,664 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7255 transitions. Word has length 37 [2019-09-10 18:08:16,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:16,665 INFO L475 AbstractCegarLoop]: Abstraction has 5128 states and 7255 transitions. [2019-09-10 18:08:16,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7255 transitions. [2019-09-10 18:08:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 18:08:16,669 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:16,669 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 18:08:16,669 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:16,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1678105829, now seen corresponding path program 1 times [2019-09-10 18:08:16,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:16,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:16,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:16,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:16,674 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 18:08:17,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:17,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:17,099 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:17,099 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:17,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:17,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:17,100 INFO L87 Difference]: Start difference. First operand 5128 states and 7255 transitions. Second operand 3 states. [2019-09-10 18:08:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:17,220 INFO L93 Difference]: Finished difference Result 5201 states and 7379 transitions. [2019-09-10 18:08:17,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:17,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-10 18:08:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:17,254 INFO L225 Difference]: With dead ends: 5201 [2019-09-10 18:08:17,254 INFO L226 Difference]: Without dead ends: 5201 [2019-09-10 18:08:17,255 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:17,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5201 states. [2019-09-10 18:08:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5201 to 5198. [2019-09-10 18:08:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5198 states. [2019-09-10 18:08:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7374 transitions. [2019-09-10 18:08:17,460 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7374 transitions. Word has length 69 [2019-09-10 18:08:17,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:17,461 INFO L475 AbstractCegarLoop]: Abstraction has 5198 states and 7374 transitions. [2019-09-10 18:08:17,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:17,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7374 transitions. [2019-09-10 18:08:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-10 18:08:17,463 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:17,464 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 18:08:17,464 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:17,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:17,464 INFO L82 PathProgramCache]: Analyzing trace with hash -590765737, now seen corresponding path program 1 times [2019-09-10 18:08:17,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:17,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:17,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:17,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:17,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 18:08:18,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:18,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:18,002 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:18,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:18,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:18,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:18,004 INFO L87 Difference]: Start difference. First operand 5198 states and 7374 transitions. Second operand 3 states. [2019-09-10 18:08:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:19,323 INFO L93 Difference]: Finished difference Result 5200 states and 7336 transitions. [2019-09-10 18:08:19,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:19,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-10 18:08:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:19,374 INFO L225 Difference]: With dead ends: 5200 [2019-09-10 18:08:19,375 INFO L226 Difference]: Without dead ends: 5200 [2019-09-10 18:08:19,375 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5200 states. [2019-09-10 18:08:19,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5200 to 5198. [2019-09-10 18:08:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5198 states. [2019-09-10 18:08:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7335 transitions. [2019-09-10 18:08:19,553 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7335 transitions. Word has length 79 [2019-09-10 18:08:19,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:19,555 INFO L475 AbstractCegarLoop]: Abstraction has 5198 states and 7335 transitions. [2019-09-10 18:08:19,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7335 transitions. [2019-09-10 18:08:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 18:08:19,572 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:19,572 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:19,572 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:19,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:19,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2030643927, now seen corresponding path program 1 times [2019-09-10 18:08:19,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:19,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:19,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:19,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:19,577 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 18:08:20,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:20,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:20,065 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:20,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:20,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:20,067 INFO L87 Difference]: Start difference. First operand 5198 states and 7335 transitions. Second operand 3 states. [2019-09-10 18:08:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:20,158 INFO L93 Difference]: Finished difference Result 5200 states and 7331 transitions. [2019-09-10 18:08:20,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:20,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 18:08:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:20,185 INFO L225 Difference]: With dead ends: 5200 [2019-09-10 18:08:20,185 INFO L226 Difference]: Without dead ends: 5200 [2019-09-10 18:08:20,186 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:20,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5200 states. [2019-09-10 18:08:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5200 to 5198. [2019-09-10 18:08:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5198 states. [2019-09-10 18:08:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7329 transitions. [2019-09-10 18:08:20,366 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7329 transitions. Word has length 168 [2019-09-10 18:08:20,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:20,367 INFO L475 AbstractCegarLoop]: Abstraction has 5198 states and 7329 transitions. [2019-09-10 18:08:20,367 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7329 transitions. [2019-09-10 18:08:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 18:08:20,385 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:20,386 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:20,386 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash 643479703, now seen corresponding path program 1 times [2019-09-10 18:08:20,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:20,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:20,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:20,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:20,393 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 18:08:21,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:21,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:21,157 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:21,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:21,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:21,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:21,162 INFO L87 Difference]: Start difference. First operand 5198 states and 7329 transitions. Second operand 5 states. [2019-09-10 18:08:21,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:21,302 INFO L93 Difference]: Finished difference Result 5189 states and 7314 transitions. [2019-09-10 18:08:21,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:21,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2019-09-10 18:08:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:21,332 INFO L225 Difference]: With dead ends: 5189 [2019-09-10 18:08:21,332 INFO L226 Difference]: Without dead ends: 5189 [2019-09-10 18:08:21,333 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2019-09-10 18:08:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 5187. [2019-09-10 18:08:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5187 states. [2019-09-10 18:08:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 5187 states and 7312 transitions. [2019-09-10 18:08:21,518 INFO L78 Accepts]: Start accepts. Automaton has 5187 states and 7312 transitions. Word has length 171 [2019-09-10 18:08:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:21,520 INFO L475 AbstractCegarLoop]: Abstraction has 5187 states and 7312 transitions. [2019-09-10 18:08:21,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 7312 transitions. [2019-09-10 18:08:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 18:08:21,538 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:21,539 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:21,539 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1297002131, now seen corresponding path program 1 times [2019-09-10 18:08:21,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:21,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:21,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:21,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:21,543 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:21,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:21,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:21,984 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:21,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:21,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:21,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:21,986 INFO L87 Difference]: Start difference. First operand 5187 states and 7312 transitions. Second operand 3 states. [2019-09-10 18:08:22,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:22,079 INFO L93 Difference]: Finished difference Result 5188 states and 7313 transitions. [2019-09-10 18:08:22,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:22,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-10 18:08:22,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:22,110 INFO L225 Difference]: With dead ends: 5188 [2019-09-10 18:08:22,111 INFO L226 Difference]: Without dead ends: 5188 [2019-09-10 18:08:22,111 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2019-09-10 18:08:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2019-09-10 18:08:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5188 states. [2019-09-10 18:08:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7313 transitions. [2019-09-10 18:08:22,298 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7313 transitions. Word has length 209 [2019-09-10 18:08:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:22,299 INFO L475 AbstractCegarLoop]: Abstraction has 5188 states and 7313 transitions. [2019-09-10 18:08:22,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7313 transitions. [2019-09-10 18:08:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 18:08:22,317 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:22,317 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:22,317 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash -490867691, now seen corresponding path program 1 times [2019-09-10 18:08:22,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:22,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:22,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:22,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:22,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:22,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:22,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 18:08:22,795 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:22,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 18:08:22,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 18:08:22,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 18:08:22,796 INFO L87 Difference]: Start difference. First operand 5188 states and 7313 transitions. Second operand 4 states. [2019-09-10 18:08:22,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:22,909 INFO L93 Difference]: Finished difference Result 5191 states and 7316 transitions. [2019-09-10 18:08:22,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:22,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 209 [2019-09-10 18:08:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:22,934 INFO L225 Difference]: With dead ends: 5191 [2019-09-10 18:08:22,934 INFO L226 Difference]: Without dead ends: 5191 [2019-09-10 18:08:22,935 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5191 states. [2019-09-10 18:08:23,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5191 to 5190. [2019-09-10 18:08:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5190 states. [2019-09-10 18:08:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 7315 transitions. [2019-09-10 18:08:23,101 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 7315 transitions. Word has length 209 [2019-09-10 18:08:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:23,102 INFO L475 AbstractCegarLoop]: Abstraction has 5190 states and 7315 transitions. [2019-09-10 18:08:23,102 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 18:08:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 7315 transitions. [2019-09-10 18:08:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 18:08:23,119 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:23,122 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:23,122 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:23,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:23,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1120801034, now seen corresponding path program 1 times [2019-09-10 18:08:23,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:23,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:23,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:23,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:23,127 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:23,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:23,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:23,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:23,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:23,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:23,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:23,600 INFO L87 Difference]: Start difference. First operand 5190 states and 7315 transitions. Second operand 3 states. [2019-09-10 18:08:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:23,689 INFO L93 Difference]: Finished difference Result 5191 states and 7316 transitions. [2019-09-10 18:08:23,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:23,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-09-10 18:08:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:23,718 INFO L225 Difference]: With dead ends: 5191 [2019-09-10 18:08:23,718 INFO L226 Difference]: Without dead ends: 5191 [2019-09-10 18:08:23,720 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:23,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5191 states. [2019-09-10 18:08:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5191 to 5191. [2019-09-10 18:08:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5191 states. [2019-09-10 18:08:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 5191 states and 7316 transitions. [2019-09-10 18:08:23,917 INFO L78 Accepts]: Start accepts. Automaton has 5191 states and 7316 transitions. Word has length 203 [2019-09-10 18:08:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:23,918 INFO L475 AbstractCegarLoop]: Abstraction has 5191 states and 7316 transitions. [2019-09-10 18:08:23,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 7316 transitions. [2019-09-10 18:08:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 18:08:23,936 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:23,936 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:23,937 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:23,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:23,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1781410389, now seen corresponding path program 1 times [2019-09-10 18:08:23,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:23,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:23,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:23,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:23,942 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:24,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:24,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 18:08:24,438 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:24,439 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 18:08:24,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 18:08:24,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 18:08:24,442 INFO L87 Difference]: Start difference. First operand 5191 states and 7316 transitions. Second operand 7 states. [2019-09-10 18:08:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:24,913 INFO L93 Difference]: Finished difference Result 5250 states and 7400 transitions. [2019-09-10 18:08:24,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 18:08:24,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2019-09-10 18:08:24,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:24,940 INFO L225 Difference]: With dead ends: 5250 [2019-09-10 18:08:24,940 INFO L226 Difference]: Without dead ends: 5250 [2019-09-10 18:08:24,941 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-09-10 18:08:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2019-09-10 18:08:25,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 5229. [2019-09-10 18:08:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5229 states. [2019-09-10 18:08:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 7371 transitions. [2019-09-10 18:08:25,109 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 7371 transitions. Word has length 209 [2019-09-10 18:08:25,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:25,110 INFO L475 AbstractCegarLoop]: Abstraction has 5229 states and 7371 transitions. [2019-09-10 18:08:25,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 18:08:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 7371 transitions. [2019-09-10 18:08:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 18:08:25,123 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:25,124 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:25,124 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:25,125 INFO L82 PathProgramCache]: Analyzing trace with hash 56802067, now seen corresponding path program 1 times [2019-09-10 18:08:25,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:25,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:25,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:25,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:25,128 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:25,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:25,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 18:08:25,590 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:25,590 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 18:08:25,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 18:08:25,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 18:08:25,591 INFO L87 Difference]: Start difference. First operand 5229 states and 7371 transitions. Second operand 8 states. [2019-09-10 18:08:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:26,426 INFO L93 Difference]: Finished difference Result 5295 states and 7466 transitions. [2019-09-10 18:08:26,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 18:08:26,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2019-09-10 18:08:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:26,450 INFO L225 Difference]: With dead ends: 5295 [2019-09-10 18:08:26,450 INFO L226 Difference]: Without dead ends: 5295 [2019-09-10 18:08:26,451 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-09-10 18:08:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2019-09-10 18:08:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5263. [2019-09-10 18:08:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5263 states. [2019-09-10 18:08:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5263 states to 5263 states and 7423 transitions. [2019-09-10 18:08:26,610 INFO L78 Accepts]: Start accepts. Automaton has 5263 states and 7423 transitions. Word has length 209 [2019-09-10 18:08:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:26,610 INFO L475 AbstractCegarLoop]: Abstraction has 5263 states and 7423 transitions. [2019-09-10 18:08:26,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 18:08:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5263 states and 7423 transitions. [2019-09-10 18:08:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 18:08:26,624 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:26,624 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:26,624 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:26,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:26,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1307457588, now seen corresponding path program 1 times [2019-09-10 18:08:26,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:26,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:26,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:26,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:26,629 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 18:08:27,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:27,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:27,077 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:27,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:27,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:27,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:27,079 INFO L87 Difference]: Start difference. First operand 5263 states and 7423 transitions. Second operand 3 states. [2019-09-10 18:08:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:29,251 INFO L93 Difference]: Finished difference Result 5333 states and 7526 transitions. [2019-09-10 18:08:29,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:29,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-09-10 18:08:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:29,277 INFO L225 Difference]: With dead ends: 5333 [2019-09-10 18:08:29,278 INFO L226 Difference]: Without dead ends: 5333 [2019-09-10 18:08:29,280 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2019-09-10 18:08:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5264. [2019-09-10 18:08:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5264 states. [2019-09-10 18:08:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 7424 transitions. [2019-09-10 18:08:29,441 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 7424 transitions. Word has length 203 [2019-09-10 18:08:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:29,443 INFO L475 AbstractCegarLoop]: Abstraction has 5264 states and 7424 transitions. [2019-09-10 18:08:29,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 7424 transitions. [2019-09-10 18:08:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-10 18:08:29,458 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:29,458 INFO L399 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2019-09-10 18:08:29,459 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:29,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1900452750, now seen corresponding path program 1 times [2019-09-10 18:08:29,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:29,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:29,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:29,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:29,464 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-10 18:08:30,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:30,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 18:08:30,051 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:30,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 18:08:30,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 18:08:30,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 18:08:30,053 INFO L87 Difference]: Start difference. First operand 5264 states and 7424 transitions. Second operand 4 states. [2019-09-10 18:08:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:30,343 INFO L93 Difference]: Finished difference Result 5295 states and 7468 transitions. [2019-09-10 18:08:30,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 18:08:30,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2019-09-10 18:08:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:30,369 INFO L225 Difference]: With dead ends: 5295 [2019-09-10 18:08:30,369 INFO L226 Difference]: Without dead ends: 5275 [2019-09-10 18:08:30,371 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2019-09-10 18:08:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5275. [2019-09-10 18:08:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5275 states. [2019-09-10 18:08:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 7441 transitions. [2019-09-10 18:08:30,522 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 7441 transitions. Word has length 220 [2019-09-10 18:08:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:30,523 INFO L475 AbstractCegarLoop]: Abstraction has 5275 states and 7441 transitions. [2019-09-10 18:08:30,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 18:08:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 7441 transitions. [2019-09-10 18:08:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-09-10 18:08:30,539 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:30,539 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 18:08:30,539 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:30,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:30,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1399931419, now seen corresponding path program 1 times [2019-09-10 18:08:30,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:30,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:30,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:30,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:30,543 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-10 18:08:30,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:30,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:30,985 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:30,987 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:30,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:30,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:30,988 INFO L87 Difference]: Start difference. First operand 5275 states and 7441 transitions. Second operand 3 states. [2019-09-10 18:08:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:31,335 INFO L93 Difference]: Finished difference Result 5428 states and 7692 transitions. [2019-09-10 18:08:31,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:31,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-09-10 18:08:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:31,364 INFO L225 Difference]: With dead ends: 5428 [2019-09-10 18:08:31,365 INFO L226 Difference]: Without dead ends: 5428 [2019-09-10 18:08:31,365 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:31,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5428 states. [2019-09-10 18:08:31,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5428 to 5425. [2019-09-10 18:08:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5425 states. [2019-09-10 18:08:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5425 states to 5425 states and 7687 transitions. [2019-09-10 18:08:31,537 INFO L78 Accepts]: Start accepts. Automaton has 5425 states and 7687 transitions. Word has length 243 [2019-09-10 18:08:31,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:31,538 INFO L475 AbstractCegarLoop]: Abstraction has 5425 states and 7687 transitions. [2019-09-10 18:08:31,538 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5425 states and 7687 transitions. [2019-09-10 18:08:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-09-10 18:08:31,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:31,561 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-09-10 18:08:31,561 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:31,561 INFO L82 PathProgramCache]: Analyzing trace with hash 227393103, now seen corresponding path program 1 times [2019-09-10 18:08:31,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:31,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:31,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:31,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:31,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-09-10 18:08:32,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:32,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:32,055 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:32,056 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:32,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:32,057 INFO L87 Difference]: Start difference. First operand 5425 states and 7687 transitions. Second operand 3 states. [2019-09-10 18:08:32,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:32,142 INFO L93 Difference]: Finished difference Result 5426 states and 7688 transitions. [2019-09-10 18:08:32,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:32,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-09-10 18:08:32,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:32,171 INFO L225 Difference]: With dead ends: 5426 [2019-09-10 18:08:32,171 INFO L226 Difference]: Without dead ends: 5426 [2019-09-10 18:08:32,172 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5426 states. [2019-09-10 18:08:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5426 to 5426. [2019-09-10 18:08:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5426 states. [2019-09-10 18:08:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 5426 states and 7688 transitions. [2019-09-10 18:08:32,380 INFO L78 Accepts]: Start accepts. Automaton has 5426 states and 7688 transitions. Word has length 330 [2019-09-10 18:08:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:32,382 INFO L475 AbstractCegarLoop]: Abstraction has 5426 states and 7688 transitions. [2019-09-10 18:08:32,382 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5426 states and 7688 transitions. [2019-09-10 18:08:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-10 18:08:32,400 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:32,400 INFO L399 BasicCegarLoop]: trace histogram [4, 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] [2019-09-10 18:08:32,401 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1809594281, now seen corresponding path program 1 times [2019-09-10 18:08:32,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:32,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:32,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:32,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:32,405 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 18:08:32,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:32,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:32,805 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:32,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:32,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:32,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:32,807 INFO L87 Difference]: Start difference. First operand 5426 states and 7688 transitions. Second operand 5 states. [2019-09-10 18:08:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:32,904 INFO L93 Difference]: Finished difference Result 5430 states and 7693 transitions. [2019-09-10 18:08:32,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:32,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2019-09-10 18:08:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:32,927 INFO L225 Difference]: With dead ends: 5430 [2019-09-10 18:08:32,928 INFO L226 Difference]: Without dead ends: 5430 [2019-09-10 18:08:32,928 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2019-09-10 18:08:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 5430. [2019-09-10 18:08:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5430 states. [2019-09-10 18:08:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5430 states to 5430 states and 7693 transitions. [2019-09-10 18:08:33,092 INFO L78 Accepts]: Start accepts. Automaton has 5430 states and 7693 transitions. Word has length 216 [2019-09-10 18:08:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:33,093 INFO L475 AbstractCegarLoop]: Abstraction has 5430 states and 7693 transitions. [2019-09-10 18:08:33,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5430 states and 7693 transitions. [2019-09-10 18:08:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-10 18:08:33,104 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:33,106 INFO L399 BasicCegarLoop]: trace histogram [4, 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] [2019-09-10 18:08:33,106 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash -126066006, now seen corresponding path program 1 times [2019-09-10 18:08:33,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:33,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:33,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:33,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:33,112 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 18:08:33,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:33,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:33,503 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:33,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:33,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:33,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:33,506 INFO L87 Difference]: Start difference. First operand 5430 states and 7693 transitions. Second operand 3 states. [2019-09-10 18:08:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:33,570 INFO L93 Difference]: Finished difference Result 5431 states and 7694 transitions. [2019-09-10 18:08:33,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:33,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-09-10 18:08:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:33,595 INFO L225 Difference]: With dead ends: 5431 [2019-09-10 18:08:33,595 INFO L226 Difference]: Without dead ends: 5431 [2019-09-10 18:08:33,596 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2019-09-10 18:08:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 5431. [2019-09-10 18:08:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5431 states. [2019-09-10 18:08:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7694 transitions. [2019-09-10 18:08:33,760 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7694 transitions. Word has length 216 [2019-09-10 18:08:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:33,761 INFO L475 AbstractCegarLoop]: Abstraction has 5431 states and 7694 transitions. [2019-09-10 18:08:33,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7694 transitions. [2019-09-10 18:08:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-09-10 18:08:33,772 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:33,772 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:33,773 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:33,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1021581793, now seen corresponding path program 1 times [2019-09-10 18:08:33,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:33,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:33,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:33,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:33,777 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-09-10 18:08:34,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:34,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 18:08:34,230 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:34,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 18:08:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 18:08:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 18:08:34,231 INFO L87 Difference]: Start difference. First operand 5431 states and 7694 transitions. Second operand 4 states. [2019-09-10 18:08:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:34,333 INFO L93 Difference]: Finished difference Result 5434 states and 7697 transitions. [2019-09-10 18:08:34,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:34,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 269 [2019-09-10 18:08:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:34,358 INFO L225 Difference]: With dead ends: 5434 [2019-09-10 18:08:34,359 INFO L226 Difference]: Without dead ends: 5434 [2019-09-10 18:08:34,359 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2019-09-10 18:08:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 5433. [2019-09-10 18:08:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5433 states. [2019-09-10 18:08:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 5433 states and 7696 transitions. [2019-09-10 18:08:34,658 INFO L78 Accepts]: Start accepts. Automaton has 5433 states and 7696 transitions. Word has length 269 [2019-09-10 18:08:34,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:34,658 INFO L475 AbstractCegarLoop]: Abstraction has 5433 states and 7696 transitions. [2019-09-10 18:08:34,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 18:08:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5433 states and 7696 transitions. [2019-09-10 18:08:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-09-10 18:08:34,671 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:34,671 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-10 18:08:34,671 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:34,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1599497455, now seen corresponding path program 1 times [2019-09-10 18:08:34,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:34,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:34,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:34,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:34,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-10 18:08:35,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:35,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:35,137 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:35,138 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:35,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:35,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:35,139 INFO L87 Difference]: Start difference. First operand 5433 states and 7696 transitions. Second operand 5 states. [2019-09-10 18:08:35,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:35,231 INFO L93 Difference]: Finished difference Result 5456 states and 7729 transitions. [2019-09-10 18:08:35,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:35,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2019-09-10 18:08:35,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:35,259 INFO L225 Difference]: With dead ends: 5456 [2019-09-10 18:08:35,260 INFO L226 Difference]: Without dead ends: 5446 [2019-09-10 18:08:35,260 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5446 states. [2019-09-10 18:08:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5446 to 5439. [2019-09-10 18:08:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5439 states. [2019-09-10 18:08:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7704 transitions. [2019-09-10 18:08:35,414 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7704 transitions. Word has length 296 [2019-09-10 18:08:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:35,414 INFO L475 AbstractCegarLoop]: Abstraction has 5439 states and 7704 transitions. [2019-09-10 18:08:35,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7704 transitions. [2019-09-10 18:08:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-09-10 18:08:35,427 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:35,429 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:35,429 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:35,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:35,430 INFO L82 PathProgramCache]: Analyzing trace with hash 29549020, now seen corresponding path program 1 times [2019-09-10 18:08:35,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:35,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:35,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:35,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:35,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 18:08:36,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:36,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 18:08:36,115 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:36,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 18:08:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 18:08:36,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 18:08:36,116 INFO L87 Difference]: Start difference. First operand 5439 states and 7704 transitions. Second operand 11 states. [2019-09-10 18:08:36,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:36,407 INFO L93 Difference]: Finished difference Result 5467 states and 7738 transitions. [2019-09-10 18:08:36,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 18:08:36,408 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 292 [2019-09-10 18:08:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:36,433 INFO L225 Difference]: With dead ends: 5467 [2019-09-10 18:08:36,434 INFO L226 Difference]: Without dead ends: 5462 [2019-09-10 18:08:36,434 INFO L628 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 [2019-09-10 18:08:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2019-09-10 18:08:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 5460. [2019-09-10 18:08:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5460 states. [2019-09-10 18:08:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5460 states and 7730 transitions. [2019-09-10 18:08:36,607 INFO L78 Accepts]: Start accepts. Automaton has 5460 states and 7730 transitions. Word has length 292 [2019-09-10 18:08:36,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:36,608 INFO L475 AbstractCegarLoop]: Abstraction has 5460 states and 7730 transitions. [2019-09-10 18:08:36,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 18:08:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5460 states and 7730 transitions. [2019-09-10 18:08:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-10 18:08:36,621 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:36,622 INFO L399 BasicCegarLoop]: trace histogram [4, 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] [2019-09-10 18:08:36,622 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:36,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:36,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1927307354, now seen corresponding path program 1 times [2019-09-10 18:08:36,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:36,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:36,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:36,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:36,626 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-10 18:08:37,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:37,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:37,043 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:37,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:37,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:37,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:37,045 INFO L87 Difference]: Start difference. First operand 5460 states and 7730 transitions. Second operand 5 states. [2019-09-10 18:08:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:37,151 INFO L93 Difference]: Finished difference Result 5471 states and 7742 transitions. [2019-09-10 18:08:37,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:37,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2019-09-10 18:08:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:37,175 INFO L225 Difference]: With dead ends: 5471 [2019-09-10 18:08:37,175 INFO L226 Difference]: Without dead ends: 5456 [2019-09-10 18:08:37,176 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:37,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5456 states. [2019-09-10 18:08:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5456 to 5447. [2019-09-10 18:08:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5447 states. [2019-09-10 18:08:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 7707 transitions. [2019-09-10 18:08:37,349 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 7707 transitions. Word has length 216 [2019-09-10 18:08:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:37,350 INFO L475 AbstractCegarLoop]: Abstraction has 5447 states and 7707 transitions. [2019-09-10 18:08:37,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 7707 transitions. [2019-09-10 18:08:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-09-10 18:08:37,365 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:37,366 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:37,366 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:37,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:37,367 INFO L82 PathProgramCache]: Analyzing trace with hash 877222102, now seen corresponding path program 1 times [2019-09-10 18:08:37,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:37,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:37,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:37,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:37,371 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-10 18:08:37,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:37,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:37,813 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:37,814 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:37,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:37,817 INFO L87 Difference]: Start difference. First operand 5447 states and 7707 transitions. Second operand 3 states. [2019-09-10 18:08:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:37,881 INFO L93 Difference]: Finished difference Result 5448 states and 7707 transitions. [2019-09-10 18:08:37,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:37,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2019-09-10 18:08:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:37,905 INFO L225 Difference]: With dead ends: 5448 [2019-09-10 18:08:37,905 INFO L226 Difference]: Without dead ends: 5447 [2019-09-10 18:08:37,910 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2019-09-10 18:08:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5447. [2019-09-10 18:08:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5447 states. [2019-09-10 18:08:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 7706 transitions. [2019-09-10 18:08:38,272 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 7706 transitions. Word has length 346 [2019-09-10 18:08:38,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:38,273 INFO L475 AbstractCegarLoop]: Abstraction has 5447 states and 7706 transitions. [2019-09-10 18:08:38,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 7706 transitions. [2019-09-10 18:08:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-09-10 18:08:38,284 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:38,285 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-10 18:08:38,285 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:38,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:38,286 INFO L82 PathProgramCache]: Analyzing trace with hash 128914028, now seen corresponding path program 1 times [2019-09-10 18:08:38,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:38,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:38,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:38,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:38,292 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-10 18:08:38,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:38,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 18:08:38,776 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:38,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 18:08:38,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 18:08:38,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 18:08:38,777 INFO L87 Difference]: Start difference. First operand 5447 states and 7706 transitions. Second operand 6 states. [2019-09-10 18:08:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:38,969 INFO L93 Difference]: Finished difference Result 5474 states and 7745 transitions. [2019-09-10 18:08:38,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 18:08:38,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2019-09-10 18:08:38,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:39,000 INFO L225 Difference]: With dead ends: 5474 [2019-09-10 18:08:39,001 INFO L226 Difference]: Without dead ends: 5462 [2019-09-10 18:08:39,001 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 18:08:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2019-09-10 18:08:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 5449. [2019-09-10 18:08:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5449 states. [2019-09-10 18:08:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5449 states to 5449 states and 7708 transitions. [2019-09-10 18:08:39,161 INFO L78 Accepts]: Start accepts. Automaton has 5449 states and 7708 transitions. Word has length 324 [2019-09-10 18:08:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:39,162 INFO L475 AbstractCegarLoop]: Abstraction has 5449 states and 7708 transitions. [2019-09-10 18:08:39,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 18:08:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 5449 states and 7708 transitions. [2019-09-10 18:08:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-09-10 18:08:39,177 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:39,178 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:39,178 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1981231931, now seen corresponding path program 1 times [2019-09-10 18:08:39,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:39,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:39,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:39,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:39,183 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-09-10 18:08:39,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:39,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:39,825 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:39,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:39,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:39,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:39,828 INFO L87 Difference]: Start difference. First operand 5449 states and 7708 transitions. Second operand 5 states. [2019-09-10 18:08:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:39,922 INFO L93 Difference]: Finished difference Result 5460 states and 7722 transitions. [2019-09-10 18:08:39,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:39,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 433 [2019-09-10 18:08:39,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:39,947 INFO L225 Difference]: With dead ends: 5460 [2019-09-10 18:08:39,947 INFO L226 Difference]: Without dead ends: 5445 [2019-09-10 18:08:39,947 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:39,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2019-09-10 18:08:40,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5442. [2019-09-10 18:08:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5442 states. [2019-09-10 18:08:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5442 states to 5442 states and 7698 transitions. [2019-09-10 18:08:40,091 INFO L78 Accepts]: Start accepts. Automaton has 5442 states and 7698 transitions. Word has length 433 [2019-09-10 18:08:40,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:40,092 INFO L475 AbstractCegarLoop]: Abstraction has 5442 states and 7698 transitions. [2019-09-10 18:08:40,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5442 states and 7698 transitions. [2019-09-10 18:08:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-10 18:08:40,102 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:40,103 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:40,103 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:40,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:40,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1698847858, now seen corresponding path program 1 times [2019-09-10 18:08:40,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:40,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:40,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:40,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:40,107 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-10 18:08:40,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:40,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 18:08:40,737 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:40,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 18:08:40,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 18:08:40,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 18:08:40,739 INFO L87 Difference]: Start difference. First operand 5442 states and 7698 transitions. Second operand 6 states. [2019-09-10 18:08:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:40,912 INFO L93 Difference]: Finished difference Result 5413 states and 7639 transitions. [2019-09-10 18:08:40,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 18:08:40,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 350 [2019-09-10 18:08:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:40,936 INFO L225 Difference]: With dead ends: 5413 [2019-09-10 18:08:40,937 INFO L226 Difference]: Without dead ends: 5398 [2019-09-10 18:08:40,937 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 18:08:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2019-09-10 18:08:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 5379. [2019-09-10 18:08:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5379 states. [2019-09-10 18:08:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7584 transitions. [2019-09-10 18:08:41,080 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7584 transitions. Word has length 350 [2019-09-10 18:08:41,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:41,081 INFO L475 AbstractCegarLoop]: Abstraction has 5379 states and 7584 transitions. [2019-09-10 18:08:41,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 18:08:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7584 transitions. [2019-09-10 18:08:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-09-10 18:08:41,091 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:41,092 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:41,092 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:41,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:41,093 INFO L82 PathProgramCache]: Analyzing trace with hash -570579223, now seen corresponding path program 1 times [2019-09-10 18:08:41,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:41,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:41,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:41,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:41,096 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-09-10 18:08:41,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:41,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:41,735 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:41,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:41,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:41,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:41,736 INFO L87 Difference]: Start difference. First operand 5379 states and 7584 transitions. Second operand 5 states. [2019-09-10 18:08:41,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:41,822 INFO L93 Difference]: Finished difference Result 5390 states and 7598 transitions. [2019-09-10 18:08:41,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:41,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2019-09-10 18:08:41,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:41,842 INFO L225 Difference]: With dead ends: 5390 [2019-09-10 18:08:41,843 INFO L226 Difference]: Without dead ends: 5368 [2019-09-10 18:08:41,843 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2019-09-10 18:08:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5365. [2019-09-10 18:08:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5365 states. [2019-09-10 18:08:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7564 transitions. [2019-09-10 18:08:42,001 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7564 transitions. Word has length 268 [2019-09-10 18:08:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:42,002 INFO L475 AbstractCegarLoop]: Abstraction has 5365 states and 7564 transitions. [2019-09-10 18:08:42,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7564 transitions. [2019-09-10 18:08:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-09-10 18:08:42,014 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:42,015 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:42,015 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:42,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1316848368, now seen corresponding path program 1 times [2019-09-10 18:08:42,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:42,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:42,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:42,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:42,019 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-09-10 18:08:42,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:42,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 18:08:42,659 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:42,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 18:08:42,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 18:08:42,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:42,662 INFO L87 Difference]: Start difference. First operand 5365 states and 7564 transitions. Second operand 3 states. [2019-09-10 18:08:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:42,735 INFO L93 Difference]: Finished difference Result 5366 states and 7562 transitions. [2019-09-10 18:08:42,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 18:08:42,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 477 [2019-09-10 18:08:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:42,754 INFO L225 Difference]: With dead ends: 5366 [2019-09-10 18:08:42,754 INFO L226 Difference]: Without dead ends: 5366 [2019-09-10 18:08:42,756 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 18:08:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2019-09-10 18:08:42,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 5365. [2019-09-10 18:08:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5365 states. [2019-09-10 18:08:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7561 transitions. [2019-09-10 18:08:42,891 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7561 transitions. Word has length 477 [2019-09-10 18:08:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:42,891 INFO L475 AbstractCegarLoop]: Abstraction has 5365 states and 7561 transitions. [2019-09-10 18:08:42,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 18:08:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7561 transitions. [2019-09-10 18:08:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-09-10 18:08:42,901 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:42,902 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 18:08:42,902 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:42,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1618020598, now seen corresponding path program 1 times [2019-09-10 18:08:42,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:42,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:42,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:42,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:42,906 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-10 18:08:43,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:43,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 18:08:43,504 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:43,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 18:08:43,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 18:08:43,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 18:08:43,505 INFO L87 Difference]: Start difference. First operand 5365 states and 7561 transitions. Second operand 7 states. [2019-09-10 18:08:43,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:43,729 INFO L93 Difference]: Finished difference Result 4971 states and 7041 transitions. [2019-09-10 18:08:43,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 18:08:43,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 291 [2019-09-10 18:08:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:43,750 INFO L225 Difference]: With dead ends: 4971 [2019-09-10 18:08:43,750 INFO L226 Difference]: Without dead ends: 4925 [2019-09-10 18:08:43,754 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-10 18:08:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2019-09-10 18:08:43,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 4925. [2019-09-10 18:08:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4925 states. [2019-09-10 18:08:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 4925 states and 6985 transitions. [2019-09-10 18:08:43,889 INFO L78 Accepts]: Start accepts. Automaton has 4925 states and 6985 transitions. Word has length 291 [2019-09-10 18:08:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:43,893 INFO L475 AbstractCegarLoop]: Abstraction has 4925 states and 6985 transitions. [2019-09-10 18:08:43,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 18:08:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 6985 transitions. [2019-09-10 18:08:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1022 [2019-09-10 18:08:43,911 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:43,913 INFO L399 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2019-09-10 18:08:43,914 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:43,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:43,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2013687246, now seen corresponding path program 1 times [2019-09-10 18:08:43,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:43,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:43,919 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9720 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9716 trivial. 0 not checked. [2019-09-10 18:08:45,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 18:08:45,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 18:08:45,246 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:45,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 18:08:45,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 18:08:45,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-10 18:08:45,249 INFO L87 Difference]: Start difference. First operand 4925 states and 6985 transitions. Second operand 5 states. [2019-09-10 18:08:45,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:45,602 INFO L93 Difference]: Finished difference Result 5450 states and 7811 transitions. [2019-09-10 18:08:45,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 18:08:45,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1021 [2019-09-10 18:08:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:45,622 INFO L225 Difference]: With dead ends: 5450 [2019-09-10 18:08:45,622 INFO L226 Difference]: Without dead ends: 5450 [2019-09-10 18:08:45,623 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-10 18:08:45,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5450 states. [2019-09-10 18:08:45,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5450 to 5171. [2019-09-10 18:08:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5171 states. [2019-09-10 18:08:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 7369 transitions. [2019-09-10 18:08:45,783 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 7369 transitions. Word has length 1021 [2019-09-10 18:08:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:45,784 INFO L475 AbstractCegarLoop]: Abstraction has 5171 states and 7369 transitions. [2019-09-10 18:08:45,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 18:08:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 7369 transitions. [2019-09-10 18:08:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2019-09-10 18:08:45,802 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 18:08:45,803 INFO L399 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 3, 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] [2019-09-10 18:08:45,803 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 18:08:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash -479156255, now seen corresponding path program 1 times [2019-09-10 18:08:45,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 18:08:45,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:45,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 18:08:45,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 18:08:45,808 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 18:08:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 18:08:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9728 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9717 trivial. 0 not checked. [2019-09-10 18:08:47,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 18:08:47,150 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 18:08:47,152 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 1037 with the following transitions: [2019-09-10 18:08:47,154 INFO L207 CegarAbsIntRunner]: [137], [140], [141], [152], [153], [582], [584], [585], [751], [899], [900], [911], [912], [969], [970], [971], [977], [983], [1141], [1143], [1144], [1198], [1202], [1223], [1230], [1237], [1244], [1251], [1258], [1269], [1272], [1277], [1282], [1285], [1491], [1494], [1496], [1499], [1500], [1992], [2007], [2012], [2014], [2019], [2021], [2024], [2576], [2579], [2580], [2623], [2624], [3002], [3004], [3008], [3010], [3011], [3332], [3333], [3334], [3335], [3539], [3542], [3548], [3550], [3551], [3554], [3560], [3575], [3577], [3579], [3581], [3583], [3585], [3590], [3592], [3594], [3596], [3601], [3686], [3692], [3694], [3696], [3698], [3705], [3708], [3713], [3715], [3717], [3719], [3724], [3729], [3781], [3803], [3810], [3814], [3816], [3819], [3825], [3828], [3844], [3859], [3980], [3986], [3992], [3993], [4082], [4086], [4088], [4093], [4095], [4100], [4106], [4147], [4162], [4165], [4167], [4172], [4274], [4275], [4393], [4394], [4756], [4757], [4790], [4883], [4886], [4889], [4906], [4907], [4909], [4910], [4911], [4914], [4917], [4919], [4942], [4943], [4971], [4976], [4979], [4982], [4995], [5036], [5040], [5045], [5047], [5067], [5087], [5107], [5121], [5135], [5138], [5194], [5197], [5207], [5211], [5213], [5215], [5219], [5221], [5225], [5227], [5234], [5236], [5238], [5242], [5244], [5246], [5248], [5251], [5253], [5256], [5364], [5365], [5374], [5376], [5378], [5379], [5639], [5641], [5666], [5668], [5669], [6147], [6148], [6785], [6790], [6793], [6808], [6821], [6823], [6827], [7302], [7310], [7315], [7316], [7395], [7396], [7397], [7398], [7525], [7526], [7649], [7709], [7710], [7753], [7791], [7975], [8091], [8092], [8093], [8094], [8443], [8444], [8445], [8446], [8447], [8448], [8449], [8450], [8451], [8452], [8453], [8454], [8455], [8456], [8465], [8466], [8467], [8468], [8469], [8470], [8473], [8474], [8475], [8476], [8477], [8478], [8479], [8480], [8505], [8573], [8574], [8581], [8582], [8583], [8725], [8759], [8760], [8761], [8762], [8763], [8764], [8765], [8766], [8779], [8780], [8799], [8800], [8801], [8802], [8803], [8804], [8831], [8832], [8833], [8855], [8856], [8857], [8858], [8859], [8860], [8863], [8864], [8865], [8866], [8867], [8868], [8869], [8870], [8871], [8899], [8900], [8901], [8902], [8971], [8972], [9369], [9370], [9371], [9372], [9373], [9374], [9375], [9376], [9393], [9394], [9395], [9591], [9592], [9593] [2019-09-10 18:08:47,272 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 18:08:47,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 18:08:47,469 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 18:08:47,470 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 160 root evaluator evaluations with a maximum evaluation depth of 0. Performed 160 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-09-10 18:08:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 18:08:47,476 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 18:08:47,752 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 18:08:47,752 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 18:08:47,776 INFO L420 sIntCurrentIteration]: We unified 1035 AI predicates to 1035 [2019-09-10 18:08:47,777 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 18:08:47,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 18:08:47,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 18:08:47,778 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 18:08:47,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 18:08:47,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 18:08:47,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 18:08:47,781 INFO L87 Difference]: Start difference. First operand 5171 states and 7369 transitions. Second operand 2 states. [2019-09-10 18:08:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 18:08:47,781 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 18:08:47,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 18:08:47,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1036 [2019-09-10 18:08:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 18:08:47,782 INFO L225 Difference]: With dead ends: 2 [2019-09-10 18:08:47,782 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 18:08:47,783 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 18:08:47,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 18:08:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 18:08:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 18:08:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 18:08:47,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1036 [2019-09-10 18:08:47,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 18:08:47,785 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 18:08:47,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 18:08:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 18:08:47,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 18:08:47,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 06:08:47 BoogieIcfgContainer [2019-09-10 18:08:47,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 18:08:47,797 INFO L168 Benchmark]: Toolchain (without parser) took 77266.12 ms. Allocated memory was 135.3 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 74.5 MB in the beginning and 885.5 MB in the end (delta: -811.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-09-10 18:08:47,805 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 18:08:47,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5415.13 ms. Allocated memory was 135.3 MB in the beginning and 388.0 MB in the end (delta: 252.7 MB). Free memory was 74.5 MB in the beginning and 127.8 MB in the end (delta: -53.3 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. [2019-09-10 18:08:47,810 INFO L168 Benchmark]: Boogie Preprocessor took 763.99 ms. Allocated memory was 388.0 MB in the beginning and 389.0 MB in the end (delta: 1.0 MB). Free memory was 127.8 MB in the beginning and 271.3 MB in the end (delta: -143.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-09-10 18:08:47,817 INFO L168 Benchmark]: RCFGBuilder took 32864.32 ms. Allocated memory was 389.0 MB in the beginning and 1.2 GB in the end (delta: 814.2 MB). Free memory was 271.3 MB in the beginning and 686.7 MB in the end (delta: -415.4 MB). Peak memory consumption was 980.2 MB. Max. memory is 7.1 GB. [2019-09-10 18:08:47,818 INFO L168 Benchmark]: TraceAbstraction took 38218.67 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 889.2 MB). Free memory was 686.7 MB in the beginning and 885.5 MB in the end (delta: -198.8 MB). Peak memory consumption was 690.4 MB. Max. memory is 7.1 GB. [2019-09-10 18:08:47,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5415.13 ms. Allocated memory was 135.3 MB in the beginning and 388.0 MB in the end (delta: 252.7 MB). Free memory was 74.5 MB in the beginning and 127.8 MB in the end (delta: -53.3 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 763.99 ms. Allocated memory was 388.0 MB in the beginning and 389.0 MB in the end (delta: 1.0 MB). Free memory was 127.8 MB in the beginning and 271.3 MB in the end (delta: -143.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 32864.32 ms. Allocated memory was 389.0 MB in the beginning and 1.2 GB in the end (delta: 814.2 MB). Free memory was 271.3 MB in the beginning and 686.7 MB in the end (delta: -415.4 MB). Peak memory consumption was 980.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38218.67 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 889.2 MB). Free memory was 686.7 MB in the beginning and 885.5 MB in the end (delta: -198.8 MB). Peak memory consumption was 690.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12362]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 329 procedures, 4008 locations, 1 error locations. SAFE Result, 38.1s OverallTime, 32 OverallIterations, 28 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 143349 SDtfs, 17076 SDslu, 317645 SDs, 0 SdLazy, 635 SolverSat, 174 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 1100 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5460occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.639613526570048 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 32 MinimizatonAttempts, 476 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.3s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 8714 NumberOfCodeBlocks, 8714 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 8682 ConstructedInterpolants, 0 QuantifiedInterpolants, 4124917 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 31 PerfectInterpolantSequences, 20568/20573 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...