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-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:34:43,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:34:43,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:34:43,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:34:43,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:34:43,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:34:43,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:34:43,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:34:43,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:34:43,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:34:43,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:34:43,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:34:43,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:34:43,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:34:43,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:34:43,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:34:43,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:34:43,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:34:43,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:34:43,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:34:43,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:34:43,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:34:43,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:34:43,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:34:43,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:34:43,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:34:43,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:34:43,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:34:43,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:34:43,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:34:43,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:34:43,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:34:43,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:34:43,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:34:43,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:34:43,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:34:43,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:34:43,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:34:43,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:34:43,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:34:43,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:34:43,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:34:43,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:34:43,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:34:43,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:34:43,513 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:34:43,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:34:43,513 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:34:43,514 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:34:43,514 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:34:43,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:34:43,514 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:34:43,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:34:43,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:34:43,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:34:43,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:34:43,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:34:43,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:34:43,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:34:43,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:34:43,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:34:43,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:34:43,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:34:43,518 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:34:43,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:34:43,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:34:43,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:34:43,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:34:43,519 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:34:43,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:34:43,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:34:43,519 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:34:43,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:34:43,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:34:43,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:34:43,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:34:43,576 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:34:43,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:43,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b8e4eb0/674058e710db422382cb329883cddbef/FLAG9c43396d9 [2019-09-10 11:34:44,410 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:34:44,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:44,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b8e4eb0/674058e710db422382cb329883cddbef/FLAG9c43396d9 [2019-09-10 11:34:44,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b8e4eb0/674058e710db422382cb329883cddbef [2019-09-10 11:34:44,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:34:44,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:34:44,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:44,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:34:44,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:34:44,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:44" (1/1) ... [2019-09-10 11:34:44,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f0e126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:44, skipping insertion in model container [2019-09-10 11:34:44,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:44" (1/1) ... [2019-09-10 11:34:45,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:34:45,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:34:46,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:46,448 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:34:46,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:46,882 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:34:46,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46 WrapperNode [2019-09-10 11:34:46,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:46,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:34:46,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:34:46,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:34:46,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:46,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:46,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:47,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:47,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:47,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:47,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... [2019-09-10 11:34:47,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:34:47,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:34:47,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:34:47,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:34:47,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:34:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:34:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:34:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:34:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:34:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:34:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:34:47,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 11:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 11:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:34:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:34:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:34:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:34:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:34:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 11:34:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 11:34:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 11:34:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 11:34:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2019-09-10 11:34:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2019-09-10 11:34:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2019-09-10 11:34:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2019-09-10 11:34:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2019-09-10 11:34:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2019-09-10 11:34:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2019-09-10 11:34:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2019-09-10 11:34:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2019-09-10 11:34:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2019-09-10 11:34:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-10 11:34:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2019-09-10 11:34:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-10 11:34:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 11:34:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 11:34:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 11:34:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2019-09-10 11:34:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2019-09-10 11:34:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2019-09-10 11:34:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2019-09-10 11:34:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2019-09-10 11:34:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 11:34:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:34:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:34:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:34:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:34:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:34:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-10 11:34:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:34:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:34:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:34:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 11:34:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 11:34:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:34:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:34:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-10 11:34:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:34:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:34:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:34:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 11:34:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 11:34:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2019-09-10 11:34:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 11:34:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2019-09-10 11:34:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 11:34:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:34:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2019-09-10 11:34:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 11:34:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2019-09-10 11:34:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2019-09-10 11:34:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2019-09-10 11:34:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2019-09-10 11:34:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2019-09-10 11:34:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2019-09-10 11:34:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2019-09-10 11:34:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2019-09-10 11:34:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2019-09-10 11:34:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:34:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:34:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:34:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:34:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2019-09-10 11:34:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2019-09-10 11:34:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-10 11:34:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:34:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2019-09-10 11:34:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:34:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2019-09-10 11:34:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2019-09-10 11:34:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2019-09-10 11:34:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:34:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:34:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:34:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:34:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:34:48,457 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:34:54,032 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:34:54,033 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-10 11:34:54,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:54 BoogieIcfgContainer [2019-09-10 11:34:54,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:34:54,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:34:54,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:34:54,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:34:54,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:34:44" (1/3) ... [2019-09-10 11:34:54,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6174baec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:54, skipping insertion in model container [2019-09-10 11:34:54,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:46" (2/3) ... [2019-09-10 11:34:54,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6174baec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:54, skipping insertion in model container [2019-09-10 11:34:54,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:54" (3/3) ... [2019-09-10 11:34:54,045 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:54,056 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:34:54,069 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:34:54,087 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:34:54,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:34:54,116 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:34:54,116 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:34:54,117 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:34:54,117 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:34:54,117 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:34:54,117 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:34:54,117 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:34:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states. [2019-09-10 11:34:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2019-09-10 11:34:54,216 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:54,218 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:34:54,220 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:54,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:54,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2128049116, now seen corresponding path program 1 times [2019-09-10 11:34:54,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:54,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:54,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:54,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:54,297 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6723 trivial. 0 not checked. [2019-09-10 11:34:56,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:56,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:56,108 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:56,116 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:56,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:56,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:56,134 INFO L87 Difference]: Start difference. First operand 927 states. Second operand 3 states. [2019-09-10 11:34:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:56,590 INFO L93 Difference]: Finished difference Result 1124 states and 1584 transitions. [2019-09-10 11:34:56,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:56,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 501 [2019-09-10 11:34:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:56,622 INFO L225 Difference]: With dead ends: 1124 [2019-09-10 11:34:56,623 INFO L226 Difference]: Without dead ends: 1067 [2019-09-10 11:34:56,624 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-09-10 11:34:56,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1067. [2019-09-10 11:34:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2019-09-10 11:34:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1508 transitions. [2019-09-10 11:34:56,795 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1508 transitions. Word has length 501 [2019-09-10 11:34:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:56,798 INFO L475 AbstractCegarLoop]: Abstraction has 1067 states and 1508 transitions. [2019-09-10 11:34:56,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1508 transitions. [2019-09-10 11:34:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2019-09-10 11:34:56,812 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:56,813 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:34:56,813 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:56,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1434061765, now seen corresponding path program 1 times [2019-09-10 11:34:56,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:56,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:56,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:56,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:56,817 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6725 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6723 trivial. 0 not checked. [2019-09-10 11:34:57,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:57,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 11:34:57,671 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:57,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 11:34:57,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 11:34:57,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:34:57,679 INFO L87 Difference]: Start difference. First operand 1067 states and 1508 transitions. Second operand 4 states. [2019-09-10 11:34:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:58,936 INFO L93 Difference]: Finished difference Result 1067 states and 1506 transitions. [2019-09-10 11:34:58,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:58,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 517 [2019-09-10 11:34:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:58,955 INFO L225 Difference]: With dead ends: 1067 [2019-09-10 11:34:58,955 INFO L226 Difference]: Without dead ends: 1067 [2019-09-10 11:34:58,956 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:34:58,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-09-10 11:34:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1067. [2019-09-10 11:34:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2019-09-10 11:34:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1506 transitions. [2019-09-10 11:34:59,014 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1506 transitions. Word has length 517 [2019-09-10 11:34:59,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:59,022 INFO L475 AbstractCegarLoop]: Abstraction has 1067 states and 1506 transitions. [2019-09-10 11:34:59,022 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 11:34:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1506 transitions. [2019-09-10 11:34:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2019-09-10 11:34:59,037 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:59,038 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 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 11:34:59,038 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:59,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:59,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1570996981, now seen corresponding path program 1 times [2019-09-10 11:34:59,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:59,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:59,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:59,042 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6725 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6723 trivial. 0 not checked. [2019-09-10 11:34:59,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:59,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:34:59,850 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:59,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:34:59,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:34:59,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:34:59,852 INFO L87 Difference]: Start difference. First operand 1067 states and 1506 transitions. Second operand 5 states. [2019-09-10 11:35:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:00,253 INFO L93 Difference]: Finished difference Result 1077 states and 1514 transitions. [2019-09-10 11:35:00,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:35:00,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 523 [2019-09-10 11:35:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:00,264 INFO L225 Difference]: With dead ends: 1077 [2019-09-10 11:35:00,264 INFO L226 Difference]: Without dead ends: 1067 [2019-09-10 11:35:00,264 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:35:00,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-09-10 11:35:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1067. [2019-09-10 11:35:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2019-09-10 11:35:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1504 transitions. [2019-09-10 11:35:00,307 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1504 transitions. Word has length 523 [2019-09-10 11:35:00,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:00,309 INFO L475 AbstractCegarLoop]: Abstraction has 1067 states and 1504 transitions. [2019-09-10 11:35:00,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:35:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1504 transitions. [2019-09-10 11:35:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-09-10 11:35:00,320 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:00,321 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-10 11:35:00,321 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:00,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:00,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1735600869, now seen corresponding path program 1 times [2019-09-10 11:35:00,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:00,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:00,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:00,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:00,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:01,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6725 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6723 trivial. 0 not checked. [2019-09-10 11:35:01,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:35:01,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:35:01,185 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:01,186 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:35:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:35:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:35:01,187 INFO L87 Difference]: Start difference. First operand 1067 states and 1504 transitions. Second operand 5 states. [2019-09-10 11:35:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:01,230 INFO L93 Difference]: Finished difference Result 1075 states and 1510 transitions. [2019-09-10 11:35:01,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:35:01,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 530 [2019-09-10 11:35:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:01,239 INFO L225 Difference]: With dead ends: 1075 [2019-09-10 11:35:01,240 INFO L226 Difference]: Without dead ends: 1055 [2019-09-10 11:35:01,240 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:35:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2019-09-10 11:35:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2019-09-10 11:35:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2019-09-10 11:35:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1482 transitions. [2019-09-10 11:35:01,279 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1482 transitions. Word has length 530 [2019-09-10 11:35:01,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:01,280 INFO L475 AbstractCegarLoop]: Abstraction has 1055 states and 1482 transitions. [2019-09-10 11:35:01,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:35:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1482 transitions. [2019-09-10 11:35:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2019-09-10 11:35:01,296 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:35:01,297 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 39, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:35:01,297 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:35:01,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:01,298 INFO L82 PathProgramCache]: Analyzing trace with hash 739178571, now seen corresponding path program 1 times [2019-09-10 11:35:01,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:35:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:35:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:35:01,300 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:35:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:35:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6914 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 6897 trivial. 0 not checked. [2019-09-10 11:35:02,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:35:02,224 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:35:02,225 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 671 with the following transitions: [2019-09-10 11:35:02,228 INFO L207 CegarAbsIntRunner]: [73], [77], [79], [83], [85], [87], [92], [96], [101], [104], [149], [158], [161], [166], [191], [195], [198], [204], [256], [259], [261], [265], [267], [271], [272], [294], [295], [301], [302], [303], [304], [305], [307], [310], [313], [322], [325], [328], [331], [340], [342], [359], [362], [364], [392], [395], [662], [713], [719], [720], [721], [723], [724], [725], [726], [751], [753], [754], [819], [821], [822], [825], [827], [829], [831], [833], [836], [838], [840], [842], [844], [846], [848], [850], [852], [854], [856], [858], [860], [862], [864], [866], [868], [870], [872], [874], [876], [878], [880], [882], [884], [886], [888], [890], [892], [894], [896], [898], [900], [902], [904], [906], [908], [910], [912], [914], [917], [920], [941], [962], [981], [1002], [1005], [1008], [1260], [1263], [1266], [1278], [1281], [1284], [1286], [1289], [1297], [1510], [1511], [1540], [1543], [1694], [1697], [1781], [1785], [1800], [1802], [1803], [1832], [1834], [1835], [1838], [1839], [1840], [1841], [1922], [1924], [1925], [1962], [1963], [1964], [1965], [1966], [1967], [1968], [1969], [1970], [1971], [1972], [1973], [2004], [2005], [2006], [2007], [2026], [2027], [2028], [2029], [2032], [2033], [2034], [2035], [2038], [2039], [2040], [2041], [2052], [2120], [2121], [2126], [2127], [2142], [2143], [2144], [2145], [2146], [2147], [2148], [2149], [2150], [2151], [2152], [2153], [2154], [2155], [2156], [2157], [2158], [2159], [2160], [2161], [2162], [2163], [2164], [2165], [2166], [2167], [2168], [2169], [2170], [2171], [2172], [2173], [2174], [2175], [2176], [2177], [2178], [2179], [2180], [2181], [2182], [2183], [2184], [2185], [2186], [2187], [2188], [2189], [2190], [2191], [2192], [2193], [2194], [2195], [2196], [2197], [2198], [2199], [2200], [2201], [2202], [2203], [2204], [2205], [2206], [2207], [2208], [2209], [2210], [2211], [2212], [2213], [2214], [2215], [2216], [2217], [2218], [2219], [2220], [2221], [2222], [2223], [2224], [2225], [2226], [2227], [2228], [2229], [2230], [2231], [2246], [2296], [2297], [2374], [2402], [2414], [2415], [2416], [2417], [2426], [2427], [2430], [2431], [2432] [2019-09-10 11:35:02,302 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:35:02,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:35:02,397 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:35:02,399 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 78 root evaluator evaluations with a maximum evaluation depth of 0. Performed 78 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 174 variables. [2019-09-10 11:35:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:35:02,405 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:35:02,570 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:35:02,571 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:35:02,589 INFO L420 sIntCurrentIteration]: We unified 669 AI predicates to 669 [2019-09-10 11:35:02,590 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:35:02,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:35:02,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-09-10 11:35:02,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:35:02,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:35:02,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:35:02,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:35:02,593 INFO L87 Difference]: Start difference. First operand 1055 states and 1482 transitions. Second operand 2 states. [2019-09-10 11:35:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:35:02,593 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:35:02,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:35:02,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 670 [2019-09-10 11:35:02,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:35:02,594 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:35:02,594 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:35:02,595 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:35:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:35:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:35:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:35:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:35:02,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 670 [2019-09-10 11:35:02,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:35:02,599 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:35:02,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:35:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:35:02,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:35:02,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:35:02 BoogieIcfgContainer [2019-09-10 11:35:02,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:35:02,610 INFO L168 Benchmark]: Toolchain (without parser) took 17625.25 ms. Allocated memory was 138.9 MB in the beginning and 1.0 GB in the end (delta: 868.2 MB). Free memory was 78.6 MB in the beginning and 654.4 MB in the end (delta: -575.8 MB). Peak memory consumption was 292.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,611 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1898.20 ms. Allocated memory was 138.9 MB in the beginning and 222.8 MB in the end (delta: 83.9 MB). Free memory was 78.2 MB in the beginning and 81.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,615 INFO L168 Benchmark]: Boogie Preprocessor took 441.52 ms. Allocated memory was 222.8 MB in the beginning and 267.9 MB in the end (delta: 45.1 MB). Free memory was 81.7 MB in the beginning and 196.6 MB in the end (delta: -114.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,618 INFO L168 Benchmark]: RCFGBuilder took 6710.83 ms. Allocated memory was 267.9 MB in the beginning and 456.7 MB in the end (delta: 188.7 MB). Free memory was 196.6 MB in the beginning and 129.5 MB in the end (delta: 67.1 MB). Peak memory consumption was 281.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,621 INFO L168 Benchmark]: TraceAbstraction took 8569.41 ms. Allocated memory was 456.7 MB in the beginning and 1.0 GB in the end (delta: 550.5 MB). Free memory was 129.5 MB in the beginning and 654.4 MB in the end (delta: -524.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:35:02,636 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1898.20 ms. Allocated memory was 138.9 MB in the beginning and 222.8 MB in the end (delta: 83.9 MB). Free memory was 78.2 MB in the beginning and 81.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 441.52 ms. Allocated memory was 222.8 MB in the beginning and 267.9 MB in the end (delta: 45.1 MB). Free memory was 81.7 MB in the beginning and 196.6 MB in the end (delta: -114.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6710.83 ms. Allocated memory was 267.9 MB in the beginning and 456.7 MB in the end (delta: 188.7 MB). Free memory was 196.6 MB in the beginning and 129.5 MB in the end (delta: 67.1 MB). Peak memory consumption was 281.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8569.41 ms. Allocated memory was 456.7 MB in the beginning and 1.0 GB in the end (delta: 550.5 MB). Free memory was 129.5 MB in the beginning and 654.4 MB in the end (delta: -524.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5356]: 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 79 procedures, 969 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 5 OverallIterations, 39 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5151 SDtfs, 1595 SDslu, 9401 SDs, 0 SdLazy, 554 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3527653213751867 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2741 NumberOfCodeBlocks, 2741 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 2736 ConstructedInterpolants, 0 QuantifiedInterpolants, 1641424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 33797/33812 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...