java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 12:54:47,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 12:54:47,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 12:54:47,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 12:54:47,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 12:54:47,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 12:54:47,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 12:54:47,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 12:54:47,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 12:54:47,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 12:54:47,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 12:54:47,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 12:54:47,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 12:54:47,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 12:54:47,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 12:54:47,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 12:54:47,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 12:54:47,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 12:54:47,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 12:54:47,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 12:54:47,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 12:54:47,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 12:54:47,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 12:54:47,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 12:54:47,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 12:54:47,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 12:54:47,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 12:54:47,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 12:54:47,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 12:54:47,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 12:54:47,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 12:54:47,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 12:54:47,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 12:54:47,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 12:54:47,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 12:54:47,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 12:54:47,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 12:54:47,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 12:54:47,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 12:54:47,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 12:54:47,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 12:54:47,618 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 12:54:47,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 12:54:47,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 12:54:47,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 12:54:47,640 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 12:54:47,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 12:54:47,641 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 12:54:47,641 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 12:54:47,641 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 12:54:47,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 12:54:47,642 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 12:54:47,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 12:54:47,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 12:54:47,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 12:54:47,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 12:54:47,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 12:54:47,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 12:54:47,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 12:54:47,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 12:54:47,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 12:54:47,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 12:54:47,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 12:54:47,646 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 12:54:47,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 12:54:47,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 12:54:47,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 12:54:47,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 12:54:47,647 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 12:54:47,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 12:54:47,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 12:54:47,648 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 12:54:47,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 12:54:47,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 12:54:47,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 12:54:47,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 12:54:47,712 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 12:54:47,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2019-09-10 12:54:47,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647433c84/b12aed632094431792bd7a75eeba66a0/FLAG92ba1bcdf [2019-09-10 12:54:48,751 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 12:54:48,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2019-09-10 12:54:48,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647433c84/b12aed632094431792bd7a75eeba66a0/FLAG92ba1bcdf [2019-09-10 12:54:49,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647433c84/b12aed632094431792bd7a75eeba66a0 [2019-09-10 12:54:49,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 12:54:49,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 12:54:49,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 12:54:49,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 12:54:49,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 12:54:49,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:54:49" (1/1) ... [2019-09-10 12:54:49,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738a4922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:49, skipping insertion in model container [2019-09-10 12:54:49,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:54:49" (1/1) ... [2019-09-10 12:54:49,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 12:54:49,321 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 12:54:52,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:54:52,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 12:54:52,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:54:53,551 INFO L192 MainTranslator]: Completed translation [2019-09-10 12:54:53,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53 WrapperNode [2019-09-10 12:54:53,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 12:54:53,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 12:54:53,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 12:54:53,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 12:54:53,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:53,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:53,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:53,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:53,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:53,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:54,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (1/1) ... [2019-09-10 12:54:54,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 12:54:54,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 12:54:54,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 12:54:54,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 12:54:54,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (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 12:54:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 12:54:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 12:54:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:54:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-10 12:54:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-09-10 12:54:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 12:54:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 12:54:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 12:54:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 12:54:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-10 12:54:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-10 12:54:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-10 12:54:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-09-10 12:54:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_add [2019-09-10 12:54:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2019-09-10 12:54:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_dec [2019-09-10 12:54:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-09-10 12:54:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 12:54:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 12:54:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 12:54:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 12:54:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 12:54:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 12:54:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 12:54:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 12:54:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-10 12:54:54,207 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-09-10 12:54:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload_end [2019-09-10 12:54:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-09-10 12:54:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 12:54:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 12:54:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-10 12:54:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageDirty [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 12:54:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_get [2019-09-10 12:54:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure st_incompatible [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure st_analyze_sense [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure st_allocate_request [2019-09-10 12:54:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2019-09-10 12:54:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_stats [2019-09-10 12:54:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute_end [2019-09-10 12:54:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute [2019-09-10 12:54:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2019-09-10 12:54:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2019-09-10 12:54:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ready [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure st_open [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release [2019-09-10 12:54:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure read_tape [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure st_read [2019-09-10 12:54:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure st_set_options [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2019-09-10 12:54:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nbr_partitions [2019-09-10 12:54:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure partition_tape [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure st_ioctl [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compat_ioctl [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_buffer [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2019-09-10 12:54:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure move_buffer_data [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cdevs [2019-09-10 12:54:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure st_probe [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure st_remove [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_release [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure init_st [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_st [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure st_try_direct_io_show [2019-09-10 12:54:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure st_fixed_buffer_size_show [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure st_max_sg_segs_show [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure st_version_show [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure do_create_sysfs_files [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_sysfs_files [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure defined_show [2019-09-10 12:54:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure default_blksize_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure default_density_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure default_compression_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure options_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cnt_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_cnt_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ns_show [2019-09-10 12:54:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cnt_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_cnt_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ns_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure in_flight_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure io_ns_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure other_cnt_show [2019-09-10 12:54:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure resid_cnt_show [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_map_user_pages [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_unmap_user_pages [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_20 [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_driver_21 [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 12:54:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-09-10 12:54:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-10 12:54:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_16 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_20 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-09-10 12:54:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 12:54:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 12:54:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 12:54:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-10 12:54:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2019-09-10 12:54:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_scsi_tape [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_scsi_tape [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_scsi_tape [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_scsi_tape [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 12:54:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 12:54:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_st_ref_mutex [2019-09-10 12:54:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_st_ref_mutex [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_st_ref_mutex [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_st_ref_mutex [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_st_ref_mutex [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2019-09-10 12:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 12:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2019-09-10 12:54:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 12:54:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 12:54:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 12:54:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 12:54:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_queue [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_queue [2019-09-10 12:54:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_set_block_pc [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-10 12:54:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-10 12:54:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_unlocked [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-09-10 12:54:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 12:54:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-09-10 12:54:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2019-09-10 12:54:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl_block_when_processing_errors [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_medium_removal [2019-09-10 12:54:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 12:54:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 12:54:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 12:54:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 12:54:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 12:54:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 12:54:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 12:54:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-10 12:54:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 12:54:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-10 12:54:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_add [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_dec [2019-09-10 12:54:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 12:54:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-09-10 12:54:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 12:54:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 12:54:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_16 [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_20 [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 12:54:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 12:54:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 12:54:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 12:54:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-09-10 12:54:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2019-09-10 12:54:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload_end [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 12:54:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_20 [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_driver_21 [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2019-09-10 12:54:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-09-10 12:54:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageDirty [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_unlocked [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-10 12:54:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 12:54:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 12:54:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_set_block_pc [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-09-10 12:54:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_queue [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2019-09-10 12:54:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2019-09-10 12:54:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_medium_removal [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2019-09-10 12:54:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl_block_when_processing_errors [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure clear_buffer [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2019-09-10 12:54:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure move_buffer_data [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_map_user_pages [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_unmap_user_pages [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure st_probe [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure st_remove [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure do_create_sysfs_files [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_sysfs_files [2019-09-10 12:54:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_release [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_get [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure st_incompatible [2019-09-10 12:54:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_analyze_sense [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_allocate_request [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_stats [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute_end [2019-09-10 12:54:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2019-09-10 12:54:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure test_ready [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure st_open [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure st_release [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2019-09-10 12:54:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure read_tape [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure st_read [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure st_set_options [2019-09-10 12:54:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure nbr_partitions [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure partition_tape [2019-09-10 12:54:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure st_ioctl [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure st_compat_ioctl [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2019-09-10 12:54:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure create_cdevs [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure init_st [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure exit_st [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure st_try_direct_io_show [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure st_fixed_buffer_size_show [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure st_max_sg_segs_show [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure st_version_show [2019-09-10 12:54:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure defined_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure default_blksize_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure default_density_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure default_compression_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure options_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read_cnt_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_cnt_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read_ns_show [2019-09-10 12:54:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure write_cnt_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_cnt_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure write_ns_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure in_flight_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure io_ns_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure other_cnt_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure resid_cnt_show [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 12:54:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 12:54:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 12:54:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-10 12:54:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_scsi_tape [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_scsi_tape [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_scsi_tape [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_scsi_tape [2019-09-10 12:54:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_scsi_tape [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_scsi_tape [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_scsi_tape [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_scsi_tape [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 12:54:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_st_ref_mutex [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_st_ref_mutex [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_st_ref_mutex [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_st_ref_mutex [2019-09-10 12:54:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_st_ref_mutex [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_st_ref_mutex [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_st_ref_mutex [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_st_ref_mutex [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_st_ref_mutex [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 12:54:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 12:54:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 12:54:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 12:54:56,057 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 12:55:32,505 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 12:55:32,506 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 12:55:32,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:55:32 BoogieIcfgContainer [2019-09-10 12:55:32,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 12:55:32,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 12:55:32,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 12:55:32,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 12:55:32,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:54:49" (1/3) ... [2019-09-10 12:55:32,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6974a724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:55:32, skipping insertion in model container [2019-09-10 12:55:32,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:54:53" (2/3) ... [2019-09-10 12:55:32,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6974a724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:55:32, skipping insertion in model container [2019-09-10 12:55:32,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:55:32" (3/3) ... [2019-09-10 12:55:32,518 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2019-09-10 12:55:32,531 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 12:55:32,543 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 12:55:32,561 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 12:55:32,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 12:55:32,595 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 12:55:32,595 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 12:55:32,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 12:55:32,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 12:55:32,596 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 12:55:32,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 12:55:32,596 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 12:55:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states. [2019-09-10 12:55:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2019-09-10 12:55:32,749 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:55:32,751 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:32,754 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:55:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:55:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2052206362, now seen corresponding path program 1 times [2019-09-10 12:55:32,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:55:32,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:55:32,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:55:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:55:32,845 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:55:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:55:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:55:35,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:55:35,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:55:35,682 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:55:35,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:55:35,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:55:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:55:35,714 INFO L87 Difference]: Start difference. First operand 3697 states. Second operand 3 states. [2019-09-10 12:56:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:56:18,723 INFO L93 Difference]: Finished difference Result 6287 states and 9091 transitions. [2019-09-10 12:56:18,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:56:18,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 771 [2019-09-10 12:56:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:56:18,960 INFO L225 Difference]: With dead ends: 6287 [2019-09-10 12:56:18,961 INFO L226 Difference]: Without dead ends: 6226 [2019-09-10 12:56:18,963 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 12:56:19,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6226 states. [2019-09-10 12:56:19,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6226 to 6207. [2019-09-10 12:56:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6207 states. [2019-09-10 12:56:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8963 transitions. [2019-09-10 12:56:19,404 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8963 transitions. Word has length 771 [2019-09-10 12:56:19,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:56:19,407 INFO L475 AbstractCegarLoop]: Abstraction has 6207 states and 8963 transitions. [2019-09-10 12:56:19,407 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:56:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8963 transitions. [2019-09-10 12:56:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2019-09-10 12:56:19,429 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:56:19,430 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:19,430 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:56:19,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:56:19,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1783593633, now seen corresponding path program 1 times [2019-09-10 12:56:19,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:56:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:19,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:56:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:19,437 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:56:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:56:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:56:21,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:56:21,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:56:21,019 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:56:21,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:56:21,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:56:21,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:56:21,022 INFO L87 Difference]: Start difference. First operand 6207 states and 8963 transitions. Second operand 3 states. [2019-09-10 12:56:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:56:23,793 INFO L93 Difference]: Finished difference Result 7452 states and 10595 transitions. [2019-09-10 12:56:23,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:56:23,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2019-09-10 12:56:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:56:23,854 INFO L225 Difference]: With dead ends: 7452 [2019-09-10 12:56:23,855 INFO L226 Difference]: Without dead ends: 7452 [2019-09-10 12:56:23,856 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 12:56:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2019-09-10 12:56:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 7436. [2019-09-10 12:56:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7436 states. [2019-09-10 12:56:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7436 states to 7436 states and 10576 transitions. [2019-09-10 12:56:24,237 INFO L78 Accepts]: Start accepts. Automaton has 7436 states and 10576 transitions. Word has length 768 [2019-09-10 12:56:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:56:24,241 INFO L475 AbstractCegarLoop]: Abstraction has 7436 states and 10576 transitions. [2019-09-10 12:56:24,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:56:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 7436 states and 10576 transitions. [2019-09-10 12:56:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-10 12:56:24,253 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:56:24,255 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:24,256 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:56:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:56:24,257 INFO L82 PathProgramCache]: Analyzing trace with hash 389858706, now seen corresponding path program 1 times [2019-09-10 12:56:24,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:56:24,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:24,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:56:24,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:24,266 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:56:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:56:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:56:26,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:56:26,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 12:56:26,133 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:56:26,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 12:56:26,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 12:56:26,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 12:56:26,139 INFO L87 Difference]: Start difference. First operand 7436 states and 10576 transitions. Second operand 4 states. [2019-09-10 12:56:37,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:56:37,693 INFO L93 Difference]: Finished difference Result 7436 states and 10572 transitions. [2019-09-10 12:56:37,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:56:37,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 774 [2019-09-10 12:56:37,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:56:37,746 INFO L225 Difference]: With dead ends: 7436 [2019-09-10 12:56:37,746 INFO L226 Difference]: Without dead ends: 7436 [2019-09-10 12:56:37,747 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 12:56:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2019-09-10 12:56:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7436. [2019-09-10 12:56:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7436 states. [2019-09-10 12:56:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7436 states to 7436 states and 10572 transitions. [2019-09-10 12:56:38,030 INFO L78 Accepts]: Start accepts. Automaton has 7436 states and 10572 transitions. Word has length 774 [2019-09-10 12:56:38,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:56:38,032 INFO L475 AbstractCegarLoop]: Abstraction has 7436 states and 10572 transitions. [2019-09-10 12:56:38,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 12:56:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 7436 states and 10572 transitions. [2019-09-10 12:56:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-10 12:56:38,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:56:38,043 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:38,043 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:56:38,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:56:38,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1415579628, now seen corresponding path program 1 times [2019-09-10 12:56:38,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:56:38,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:38,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:56:38,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:56:38,050 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:56:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:56:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:56:40,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:56:40,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 12:56:40,874 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:56:40,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 12:56:40,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 12:56:40,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 12:56:40,876 INFO L87 Difference]: Start difference. First operand 7436 states and 10572 transitions. Second operand 4 states. [2019-09-10 12:57:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:14,033 INFO L93 Difference]: Finished difference Result 7436 states and 10568 transitions. [2019-09-10 12:57:14,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:57:14,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 774 [2019-09-10 12:57:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:14,078 INFO L225 Difference]: With dead ends: 7436 [2019-09-10 12:57:14,078 INFO L226 Difference]: Without dead ends: 7436 [2019-09-10 12:57:14,079 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 12:57:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2019-09-10 12:57:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7436. [2019-09-10 12:57:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7436 states. [2019-09-10 12:57:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7436 states to 7436 states and 10568 transitions. [2019-09-10 12:57:14,294 INFO L78 Accepts]: Start accepts. Automaton has 7436 states and 10568 transitions. Word has length 774 [2019-09-10 12:57:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:14,296 INFO L475 AbstractCegarLoop]: Abstraction has 7436 states and 10568 transitions. [2019-09-10 12:57:14,296 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 12:57:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 7436 states and 10568 transitions. [2019-09-10 12:57:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-10 12:57:14,305 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:14,306 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:14,306 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:14,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:14,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1196724910, now seen corresponding path program 1 times [2019-09-10 12:57:14,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:14,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:14,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:14,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:14,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:57:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:57:16,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:57:16,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 12:57:16,029 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:57:16,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 12:57:16,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 12:57:16,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 12:57:16,031 INFO L87 Difference]: Start difference. First operand 7436 states and 10568 transitions. Second operand 4 states. [2019-09-10 12:57:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:28,514 INFO L93 Difference]: Finished difference Result 7436 states and 10564 transitions. [2019-09-10 12:57:28,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:57:28,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 774 [2019-09-10 12:57:28,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:28,558 INFO L225 Difference]: With dead ends: 7436 [2019-09-10 12:57:28,558 INFO L226 Difference]: Without dead ends: 7436 [2019-09-10 12:57:28,559 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 12:57:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2019-09-10 12:57:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7436. [2019-09-10 12:57:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7436 states. [2019-09-10 12:57:28,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7436 states to 7436 states and 10564 transitions. [2019-09-10 12:57:28,762 INFO L78 Accepts]: Start accepts. Automaton has 7436 states and 10564 transitions. Word has length 774 [2019-09-10 12:57:28,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:28,763 INFO L475 AbstractCegarLoop]: Abstraction has 7436 states and 10564 transitions. [2019-09-10 12:57:28,764 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 12:57:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7436 states and 10564 transitions. [2019-09-10 12:57:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-10 12:57:28,772 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:28,774 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:28,774 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:28,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:28,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1104097680, now seen corresponding path program 1 times [2019-09-10 12:57:28,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:28,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:28,779 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:57:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:57:30,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:57:30,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 12:57:30,393 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:57:30,395 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 12:57:30,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 12:57:30,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 12:57:30,396 INFO L87 Difference]: Start difference. First operand 7436 states and 10564 transitions. Second operand 6 states. [2019-09-10 12:57:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:52,017 INFO L93 Difference]: Finished difference Result 14087 states and 20054 transitions. [2019-09-10 12:57:52,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 12:57:52,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 774 [2019-09-10 12:57:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:52,088 INFO L225 Difference]: With dead ends: 14087 [2019-09-10 12:57:52,089 INFO L226 Difference]: Without dead ends: 14087 [2019-09-10 12:57:52,089 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-10 12:57:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14087 states. [2019-09-10 12:57:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14087 to 13944. [2019-09-10 12:57:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13944 states. [2019-09-10 12:57:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13944 states to 13944 states and 19893 transitions. [2019-09-10 12:57:52,463 INFO L78 Accepts]: Start accepts. Automaton has 13944 states and 19893 transitions. Word has length 774 [2019-09-10 12:57:52,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:52,464 INFO L475 AbstractCegarLoop]: Abstraction has 13944 states and 19893 transitions. [2019-09-10 12:57:52,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 12:57:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 13944 states and 19893 transitions. [2019-09-10 12:57:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2019-09-10 12:57:52,473 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:52,474 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:52,474 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:52,475 INFO L82 PathProgramCache]: Analyzing trace with hash 83029326, now seen corresponding path program 1 times [2019-09-10 12:57:52,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:52,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:52,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:52,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:52,479 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:57:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:57:53,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:57:53,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:57:53,962 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:57:53,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:57:53,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:57:53,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:57:53,964 INFO L87 Difference]: Start difference. First operand 13944 states and 19893 transitions. Second operand 3 states. [2019-09-10 12:57:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:54,066 INFO L93 Difference]: Finished difference Result 13943 states and 19891 transitions. [2019-09-10 12:57:54,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:57:54,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 774 [2019-09-10 12:57:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:54,139 INFO L225 Difference]: With dead ends: 13943 [2019-09-10 12:57:54,139 INFO L226 Difference]: Without dead ends: 13943 [2019-09-10 12:57:54,140 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 12:57:54,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13943 states. [2019-09-10 12:57:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13943 to 13943. [2019-09-10 12:57:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13943 states. [2019-09-10 12:57:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13943 states to 13943 states and 19891 transitions. [2019-09-10 12:57:54,514 INFO L78 Accepts]: Start accepts. Automaton has 13943 states and 19891 transitions. Word has length 774 [2019-09-10 12:57:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:54,515 INFO L475 AbstractCegarLoop]: Abstraction has 13943 states and 19891 transitions. [2019-09-10 12:57:54,515 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:57:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 13943 states and 19891 transitions. [2019-09-10 12:57:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2019-09-10 12:57:54,524 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:54,525 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:54,525 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:54,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:54,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1722294545, now seen corresponding path program 1 times [2019-09-10 12:57:54,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:54,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:54,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:54,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:54,531 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:57:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:57:56,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:57:56,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:57:56,067 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:57:56,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:57:56,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:57:56,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:57:56,068 INFO L87 Difference]: Start difference. First operand 13943 states and 19891 transitions. Second operand 3 states. [2019-09-10 12:57:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:56,169 INFO L93 Difference]: Finished difference Result 13942 states and 19889 transitions. [2019-09-10 12:57:56,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:57:56,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 775 [2019-09-10 12:57:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:56,234 INFO L225 Difference]: With dead ends: 13942 [2019-09-10 12:57:56,235 INFO L226 Difference]: Without dead ends: 13942 [2019-09-10 12:57:56,235 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 12:57:56,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13942 states. [2019-09-10 12:57:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13942 to 13942. [2019-09-10 12:57:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13942 states. [2019-09-10 12:57:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13942 states to 13942 states and 19889 transitions. [2019-09-10 12:57:56,606 INFO L78 Accepts]: Start accepts. Automaton has 13942 states and 19889 transitions. Word has length 775 [2019-09-10 12:57:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:56,607 INFO L475 AbstractCegarLoop]: Abstraction has 13942 states and 19889 transitions. [2019-09-10 12:57:56,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:57:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 13942 states and 19889 transitions. [2019-09-10 12:57:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2019-09-10 12:57:56,616 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:56,616 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:56,616 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:56,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:56,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1852754831, now seen corresponding path program 1 times [2019-09-10 12:57:56,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:56,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:56,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:56,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:57:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:57:58,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:57:58,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:57:58,261 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:57:58,262 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:57:58,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:57:58,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:57:58,263 INFO L87 Difference]: Start difference. First operand 13942 states and 19889 transitions. Second operand 3 states. [2019-09-10 12:57:58,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:57:58,495 INFO L93 Difference]: Finished difference Result 27515 states and 39341 transitions. [2019-09-10 12:57:58,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:57:58,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 776 [2019-09-10 12:57:58,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:57:58,629 INFO L225 Difference]: With dead ends: 27515 [2019-09-10 12:57:58,629 INFO L226 Difference]: Without dead ends: 27515 [2019-09-10 12:57:58,629 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:57:58,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27515 states. [2019-09-10 12:57:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27515 to 27380. [2019-09-10 12:57:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27380 states. [2019-09-10 12:57:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27380 states to 27380 states and 39184 transitions. [2019-09-10 12:57:59,331 INFO L78 Accepts]: Start accepts. Automaton has 27380 states and 39184 transitions. Word has length 776 [2019-09-10 12:57:59,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:57:59,333 INFO L475 AbstractCegarLoop]: Abstraction has 27380 states and 39184 transitions. [2019-09-10 12:57:59,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:57:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 27380 states and 39184 transitions. [2019-09-10 12:57:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2019-09-10 12:57:59,341 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:57:59,342 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:59,342 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:57:59,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:57:59,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1602051534, now seen corresponding path program 1 times [2019-09-10 12:57:59,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:57:59,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:59,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:57:59,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:57:59,346 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:57:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:58:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:58:00,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:58:00,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:58:00,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:58:00,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:58:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:58:00,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:58:00,840 INFO L87 Difference]: Start difference. First operand 27380 states and 39184 transitions. Second operand 3 states. [2019-09-10 12:58:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:58:01,018 INFO L93 Difference]: Finished difference Result 27379 states and 39182 transitions. [2019-09-10 12:58:01,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:58:01,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 777 [2019-09-10 12:58:01,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:58:01,132 INFO L225 Difference]: With dead ends: 27379 [2019-09-10 12:58:01,132 INFO L226 Difference]: Without dead ends: 27379 [2019-09-10 12:58:01,133 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 12:58:01,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27379 states. [2019-09-10 12:58:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27379 to 27379. [2019-09-10 12:58:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27379 states. [2019-09-10 12:58:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27379 states to 27379 states and 39182 transitions. [2019-09-10 12:58:01,860 INFO L78 Accepts]: Start accepts. Automaton has 27379 states and 39182 transitions. Word has length 777 [2019-09-10 12:58:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:58:01,861 INFO L475 AbstractCegarLoop]: Abstraction has 27379 states and 39182 transitions. [2019-09-10 12:58:01,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:58:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27379 states and 39182 transitions. [2019-09-10 12:58:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2019-09-10 12:58:01,871 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:58:01,873 INFO L399 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:01,873 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:58:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:58:01,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1874788244, now seen corresponding path program 1 times [2019-09-10 12:58:01,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:58:01,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:01,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:58:01,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:01,879 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:58:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:58:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 15129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15129 trivial. 0 not checked. [2019-09-10 12:58:03,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:58:03,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:58:03,198 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:58:03,202 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:58:03,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:58:03,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:58:03,203 INFO L87 Difference]: Start difference. First operand 27379 states and 39182 transitions. Second operand 3 states. [2019-09-10 12:58:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:58:03,417 INFO L93 Difference]: Finished difference Result 27751 states and 39488 transitions. [2019-09-10 12:58:03,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:58:03,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 778 [2019-09-10 12:58:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:58:03,582 INFO L225 Difference]: With dead ends: 27751 [2019-09-10 12:58:03,582 INFO L226 Difference]: Without dead ends: 27657 [2019-09-10 12:58:03,584 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:58:03,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27657 states. [2019-09-10 12:58:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27657 to 27655. [2019-09-10 12:58:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27655 states. [2019-09-10 12:58:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27655 states to 27655 states and 39350 transitions. [2019-09-10 12:58:04,301 INFO L78 Accepts]: Start accepts. Automaton has 27655 states and 39350 transitions. Word has length 778 [2019-09-10 12:58:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:58:04,302 INFO L475 AbstractCegarLoop]: Abstraction has 27655 states and 39350 transitions. [2019-09-10 12:58:04,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:58:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27655 states and 39350 transitions. [2019-09-10 12:58:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2019-09-10 12:58:04,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:58:04,322 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-09-10 12:58:04,322 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:58:04,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:58:04,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1196734865, now seen corresponding path program 1 times [2019-09-10 12:58:04,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:58:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:04,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:58:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:04,326 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:58:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:58:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16742 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16734 trivial. 0 not checked. [2019-09-10 12:58:05,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:58:05,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 12:58:05,747 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:58:05,748 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 12:58:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 12:58:05,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:58:05,749 INFO L87 Difference]: Start difference. First operand 27655 states and 39350 transitions. Second operand 7 states. [2019-09-10 12:58:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:58:06,243 INFO L93 Difference]: Finished difference Result 27647 states and 39338 transitions. [2019-09-10 12:58:06,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 12:58:06,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 875 [2019-09-10 12:58:06,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:58:06,374 INFO L225 Difference]: With dead ends: 27647 [2019-09-10 12:58:06,375 INFO L226 Difference]: Without dead ends: 27647 [2019-09-10 12:58:06,375 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:58:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27647 states. [2019-09-10 12:58:06,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27647 to 27643. [2019-09-10 12:58:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27643 states. [2019-09-10 12:58:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27643 states to 27643 states and 39328 transitions. [2019-09-10 12:58:07,142 INFO L78 Accepts]: Start accepts. Automaton has 27643 states and 39328 transitions. Word has length 875 [2019-09-10 12:58:07,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:58:07,143 INFO L475 AbstractCegarLoop]: Abstraction has 27643 states and 39328 transitions. [2019-09-10 12:58:07,143 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 12:58:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 27643 states and 39328 transitions. [2019-09-10 12:58:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2019-09-10 12:58:07,167 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:58:07,168 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:58:07,168 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:58:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:58:07,169 INFO L82 PathProgramCache]: Analyzing trace with hash -192964237, now seen corresponding path program 1 times [2019-09-10 12:58:07,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:58:07,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:07,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:58:07,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:07,176 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:58:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:58:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16731 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 16722 trivial. 0 not checked. [2019-09-10 12:58:08,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:58:08,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:58:08,390 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:58:08,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:58:08,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:58:08,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:58:08,391 INFO L87 Difference]: Start difference. First operand 27643 states and 39328 transitions. Second operand 3 states. [2019-09-10 12:58:50,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:58:50,349 INFO L93 Difference]: Finished difference Result 43752 states and 61913 transitions. [2019-09-10 12:58:50,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:58:50,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 878 [2019-09-10 12:58:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:58:50,531 INFO L225 Difference]: With dead ends: 43752 [2019-09-10 12:58:50,531 INFO L226 Difference]: Without dead ends: 43752 [2019-09-10 12:58:50,532 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 12:58:50,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43752 states. [2019-09-10 12:58:51,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43752 to 43709. [2019-09-10 12:58:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43709 states. [2019-09-10 12:58:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43709 states to 43709 states and 61868 transitions. [2019-09-10 12:58:51,573 INFO L78 Accepts]: Start accepts. Automaton has 43709 states and 61868 transitions. Word has length 878 [2019-09-10 12:58:51,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:58:51,574 INFO L475 AbstractCegarLoop]: Abstraction has 43709 states and 61868 transitions. [2019-09-10 12:58:51,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:58:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 43709 states and 61868 transitions. [2019-09-10 12:58:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2019-09-10 12:58:51,596 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:58:51,597 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:58:51,597 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:58:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:58:51,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1796408436, now seen corresponding path program 1 times [2019-09-10 12:58:51,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:58:51,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:51,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:58:51,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:58:51,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:58:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:58:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16731 trivial. 0 not checked. [2019-09-10 12:58:53,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:58:53,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:58:53,005 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:58:53,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:58:53,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:58:53,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:58:53,007 INFO L87 Difference]: Start difference. First operand 43709 states and 61868 transitions. Second operand 3 states. [2019-09-10 12:59:02,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:02,052 INFO L93 Difference]: Finished difference Result 43712 states and 61752 transitions. [2019-09-10 12:59:02,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:59:02,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 883 [2019-09-10 12:59:02,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:02,216 INFO L225 Difference]: With dead ends: 43712 [2019-09-10 12:59:02,216 INFO L226 Difference]: Without dead ends: 43712 [2019-09-10 12:59:02,218 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 12:59:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43712 states. [2019-09-10 12:59:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43712 to 43588. [2019-09-10 12:59:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43588 states. [2019-09-10 12:59:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43588 states to 43588 states and 61623 transitions. [2019-09-10 12:59:02,952 INFO L78 Accepts]: Start accepts. Automaton has 43588 states and 61623 transitions. Word has length 883 [2019-09-10 12:59:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:02,952 INFO L475 AbstractCegarLoop]: Abstraction has 43588 states and 61623 transitions. [2019-09-10 12:59:02,952 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:59:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43588 states and 61623 transitions. [2019-09-10 12:59:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2019-09-10 12:59:02,969 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:02,969 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:59:02,970 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:02,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1473066861, now seen corresponding path program 1 times [2019-09-10 12:59:02,971 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:02,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:02,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:02,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:02,974 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16731 trivial. 0 not checked. [2019-09-10 12:59:04,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:59:04,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 12:59:04,810 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:04,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 12:59:04,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 12:59:04,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:59:04,811 INFO L87 Difference]: Start difference. First operand 43588 states and 61623 transitions. Second operand 7 states. [2019-09-10 12:59:05,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:05,411 INFO L93 Difference]: Finished difference Result 41387 states and 58296 transitions. [2019-09-10 12:59:05,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 12:59:05,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 883 [2019-09-10 12:59:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:05,539 INFO L225 Difference]: With dead ends: 41387 [2019-09-10 12:59:05,539 INFO L226 Difference]: Without dead ends: 41387 [2019-09-10 12:59:05,539 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:59:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41387 states. [2019-09-10 12:59:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41387 to 41379. [2019-09-10 12:59:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41379 states. [2019-09-10 12:59:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41379 states to 41379 states and 58288 transitions. [2019-09-10 12:59:06,180 INFO L78 Accepts]: Start accepts. Automaton has 41379 states and 58288 transitions. Word has length 883 [2019-09-10 12:59:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:06,181 INFO L475 AbstractCegarLoop]: Abstraction has 41379 states and 58288 transitions. [2019-09-10 12:59:06,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 12:59:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 41379 states and 58288 transitions. [2019-09-10 12:59:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2019-09-10 12:59:06,197 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:06,198 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-09-10 12:59:06,198 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:06,199 INFO L82 PathProgramCache]: Analyzing trace with hash 748795386, now seen corresponding path program 1 times [2019-09-10 12:59:06,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:06,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:06,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:06,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:06,202 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16728 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16725 trivial. 0 not checked. [2019-09-10 12:59:07,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:59:07,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:59:07,531 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:07,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:59:07,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:59:07,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:59:07,532 INFO L87 Difference]: Start difference. First operand 41379 states and 58288 transitions. Second operand 3 states. [2019-09-10 12:59:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:17,162 INFO L93 Difference]: Finished difference Result 60580 states and 85417 transitions. [2019-09-10 12:59:17,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:59:17,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 890 [2019-09-10 12:59:17,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:17,364 INFO L225 Difference]: With dead ends: 60580 [2019-09-10 12:59:17,365 INFO L226 Difference]: Without dead ends: 60580 [2019-09-10 12:59:17,365 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 12:59:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60580 states. [2019-09-10 12:59:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60580 to 60436. [2019-09-10 12:59:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60436 states. [2019-09-10 12:59:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60436 states to 60436 states and 85258 transitions. [2019-09-10 12:59:18,654 INFO L78 Accepts]: Start accepts. Automaton has 60436 states and 85258 transitions. Word has length 890 [2019-09-10 12:59:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:18,655 INFO L475 AbstractCegarLoop]: Abstraction has 60436 states and 85258 transitions. [2019-09-10 12:59:18,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:59:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 60436 states and 85258 transitions. [2019-09-10 12:59:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2019-09-10 12:59:18,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:18,671 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 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] [2019-09-10 12:59:18,671 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:18,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:18,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1717423110, now seen corresponding path program 1 times [2019-09-10 12:59:18,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:18,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:18,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:18,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:18,675 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 16736 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16736 trivial. 0 not checked. [2019-09-10 12:59:19,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:59:19,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:59:19,724 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:19,725 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:59:19,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:59:19,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:59:19,726 INFO L87 Difference]: Start difference. First operand 60436 states and 85258 transitions. Second operand 3 states. [2019-09-10 12:59:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:20,048 INFO L93 Difference]: Finished difference Result 60724 states and 85666 transitions. [2019-09-10 12:59:20,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:59:20,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 903 [2019-09-10 12:59:20,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:20,257 INFO L225 Difference]: With dead ends: 60724 [2019-09-10 12:59:20,257 INFO L226 Difference]: Without dead ends: 60724 [2019-09-10 12:59:20,257 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 12:59:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60724 states. [2019-09-10 12:59:21,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60724 to 60460. [2019-09-10 12:59:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60460 states. [2019-09-10 12:59:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60460 states to 60460 states and 85282 transitions. [2019-09-10 12:59:21,627 INFO L78 Accepts]: Start accepts. Automaton has 60460 states and 85282 transitions. Word has length 903 [2019-09-10 12:59:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:21,627 INFO L475 AbstractCegarLoop]: Abstraction has 60460 states and 85282 transitions. [2019-09-10 12:59:21,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:59:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 60460 states and 85282 transitions. [2019-09-10 12:59:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2019-09-10 12:59:21,642 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:21,642 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 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] [2019-09-10 12:59:21,643 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:21,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1517452427, now seen corresponding path program 1 times [2019-09-10 12:59:21,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:21,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:21,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:21,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:21,646 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 16737 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16736 trivial. 0 not checked. [2019-09-10 12:59:22,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:59:22,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:59:22,568 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:22,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:59:22,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:59:22,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:59:22,570 INFO L87 Difference]: Start difference. First operand 60460 states and 85282 transitions. Second operand 3 states. [2019-09-10 12:59:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:22,891 INFO L93 Difference]: Finished difference Result 60700 states and 85618 transitions. [2019-09-10 12:59:22,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:59:22,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 906 [2019-09-10 12:59:22,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:23,092 INFO L225 Difference]: With dead ends: 60700 [2019-09-10 12:59:23,092 INFO L226 Difference]: Without dead ends: 60700 [2019-09-10 12:59:23,093 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 12:59:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60700 states. [2019-09-10 12:59:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60700 to 60484. [2019-09-10 12:59:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60484 states. [2019-09-10 12:59:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60484 states to 60484 states and 85306 transitions. [2019-09-10 12:59:24,380 INFO L78 Accepts]: Start accepts. Automaton has 60484 states and 85306 transitions. Word has length 906 [2019-09-10 12:59:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:24,381 INFO L475 AbstractCegarLoop]: Abstraction has 60484 states and 85306 transitions. [2019-09-10 12:59:24,381 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:59:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 60484 states and 85306 transitions. [2019-09-10 12:59:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2019-09-10 12:59:24,400 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:24,401 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 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] [2019-09-10 12:59:24,401 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:24,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:24,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1867582301, now seen corresponding path program 1 times [2019-09-10 12:59:24,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:24,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:24,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:24,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:24,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 16738 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16738 trivial. 0 not checked. [2019-09-10 12:59:25,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:59:25,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:59:25,322 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:25,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:59:25,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:59:25,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:59:25,324 INFO L87 Difference]: Start difference. First operand 60484 states and 85306 transitions. Second operand 3 states. [2019-09-10 12:59:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:32,646 INFO L93 Difference]: Finished difference Result 60483 states and 85277 transitions. [2019-09-10 12:59:32,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:59:32,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 912 [2019-09-10 12:59:32,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:32,853 INFO L225 Difference]: With dead ends: 60483 [2019-09-10 12:59:32,853 INFO L226 Difference]: Without dead ends: 60483 [2019-09-10 12:59:32,853 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 12:59:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60483 states. [2019-09-10 12:59:34,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60483 to 60483. [2019-09-10 12:59:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60483 states. [2019-09-10 12:59:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60483 states to 60483 states and 85277 transitions. [2019-09-10 12:59:34,204 INFO L78 Accepts]: Start accepts. Automaton has 60483 states and 85277 transitions. Word has length 912 [2019-09-10 12:59:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:34,205 INFO L475 AbstractCegarLoop]: Abstraction has 60483 states and 85277 transitions. [2019-09-10 12:59:34,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:59:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 60483 states and 85277 transitions. [2019-09-10 12:59:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2019-09-10 12:59:34,243 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:59:34,244 INFO L399 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:34,244 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:59:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash 538355395, now seen corresponding path program 1 times [2019-09-10 12:59:34,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:59:34,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:34,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:59:34,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:59:34,248 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:59:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:59:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 16765 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16747 trivial. 0 not checked. [2019-09-10 12:59:35,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 12:59:35,375 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 12:59:35,377 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 998 with the following transitions: [2019-09-10 12:59:35,381 INFO L207 CegarAbsIntRunner]: [6], [9], [73], [79], [80], [81], [82], [248], [249], [250], [357], [358], [359], [370], [371], [424], [430], [431], [1125], [1127], [1128], [1207], [1208], [1273], [1274], [1580], [1581], [1598], [1604], [1606], [1607], [1956], [1957], [1962], [1963], [2267], [2271], [2274], [2297], [2298], [2299], [2301], [2302], [2665], [2667], [2698], [2701], [2974], [3725], [3727], [3731], [3734], [3740], [3742], [5173], [5176], [5204], [5213], [5219], [5221], [5224], [5226], [5227], [5248], [5254], [5256], [5257], [5258], [5260], [5262], [5263], [5270], [5272], [5273], [5276], [5278], [5280], [5283], [5294], [5296], [5297], [5680], [5681], [5710], [5712], [5714], [5716], [5718], [5720], [5722], [5724], [5726], [5728], [5730], [5732], [5734], [5736], [5738], [5740], [5742], [5744], [5746], [5748], [5750], [5752], [5754], [5756], [5758], [5760], [5762], [5764], [5766], [5768], [5770], [5772], [5774], [5776], [5778], [5780], [5782], [5784], [5786], [5788], [5790], [5792], [5794], [5796], [5798], [5800], [5802], [5804], [5806], [5808], [5810], [5812], [5814], [5816], [5818], [5820], [5822], [5824], [5826], [5829], [5831], [5833], [5835], [5837], [5839], [5841], [5843], [5845], [5878], [5930], [5963], [5996], [6029], [6062], [6095], [6098], [6101], [6113], [6116], [6119], [6121], [6124], [6126], [6128], [6136], [6155], [6188], [6221], [6254], [6287], [6320], [6353], [6356], [6359], [6380], [6393], [6414], [6427], [6430], [6433], [6435], [6438], [6446], [6459], [6472], [6475], [6478], [6874], [6876], [6878], [6880], [6883], [6970], [7005], [7006], [7534], [7537], [7777], [7779], [7784], [7786], [7791], [7794], [7797], [7826], [7845], [7851], [7854], [7858], [7859], [8301], [8303], [8398], [8400], [8402], [8403], [8405], [8406], [8711], [8712], [8713], [8714], [8767], [8871], [8872], [9133], [9134], [9135], [9136], [9137], [9138], [9145], [9146], [9147], [9148], [9149], [9150], [9209], [9210], [9217], [9433], [9434], [9435], [9436], [9495], [9589], [9590], [9603], [9604], [9605], [9606], [9611], [9612], [9613], [9614], [9615], [9616], [9621], [9622], [9685], [9686], [9687], [9688], [9689], [9690], [9691], [9692], [9693], [9694], [9695], [9696], [9697], [9698], [9699], [9700], [9701], [9702], [9703], [9704], [9705], [9706], [9707], [9708], [9709], [9710], [9711], [9712], [9713], [9714], [9715], [9716], [9717], [9718], [9719], [9720], [9721], [9722], [9723], [9724], [9725], [9726], [9727], [9728], [9729], [9730], [9731], [9732], [9733], [9734], [9735], [9736], [9737], [9738], [9739], [9740], [9741], [9742], [9743], [9744], [9745], [9746], [9747], [9748], [9749], [9750], [9751], [9752], [9753], [9754], [9755], [9756], [9757], [9758], [9759], [9760], [9761], [9762], [9763], [9764], [9765], [9766], [9767], [9768], [9769], [9770], [9771], [9772], [9773], [9774], [9775], [9776], [9777], [9778], [9779], [9780], [9781], [9782], [9783], [9784], [9785], [9786], [9787], [9788], [9789], [9790], [9791], [9792], [9793], [9794], [9795], [9796], [9797], [9798], [9799], [9800], [9801], [9802], [9803], [9804], [9805], [9806], [9807], [9808], [9809], [9810], [9811], [9812], [9813], [9814], [9815], [9816], [9817], [9818], [9851], [9852], [9853], [9854], [9855], [9856], [9895], [9896], [9901], [9963], [9964], [9965], [9966], [9967], [9968], [10109], [10110], [10111], [10112], [10181], [10182], [10183], [10184], [10203], [10204], [10249], [10250], [10271], [10272], [10273], [10274], [10325], [10326], [10327] [2019-09-10 12:59:35,454 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 12:59:35,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 12:59:36,330 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 12:59:36,332 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 837 root evaluator evaluations with a maximum evaluation depth of 0. Performed 837 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1726 variables. [2019-09-10 12:59:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:59:36,336 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 12:59:36,564 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 12:59:36,565 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 12:59:36,588 INFO L420 sIntCurrentIteration]: We unified 996 AI predicates to 996 [2019-09-10 12:59:36,589 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 12:59:36,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 12:59:36,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 12:59:36,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:59:36,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 12:59:36,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 12:59:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 12:59:36,595 INFO L87 Difference]: Start difference. First operand 60483 states and 85277 transitions. Second operand 2 states. [2019-09-10 12:59:36,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:59:36,596 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 12:59:36,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 12:59:36,596 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 997 [2019-09-10 12:59:36,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:59:36,597 INFO L225 Difference]: With dead ends: 2 [2019-09-10 12:59:36,597 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 12:59:36,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 996 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 12:59:36,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 12:59:36,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 12:59:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 12:59:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 12:59:36,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 997 [2019-09-10 12:59:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:59:36,598 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 12:59:36,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 12:59:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 12:59:36,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 12:59:36,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:59:36 BoogieIcfgContainer [2019-09-10 12:59:36,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 12:59:36,609 INFO L168 Benchmark]: Toolchain (without parser) took 287498.04 ms. Allocated memory was 140.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 72.6 MB in the beginning and 201.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,614 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4443.34 ms. Allocated memory was 140.5 MB in the beginning and 280.5 MB in the end (delta: 140.0 MB). Free memory was 72.4 MB in the beginning and 57.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,617 INFO L168 Benchmark]: Boogie Preprocessor took 563.60 ms. Allocated memory was 280.5 MB in the beginning and 385.4 MB in the end (delta: 104.9 MB). Free memory was 57.2 MB in the beginning and 230.7 MB in the end (delta: -173.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,619 INFO L168 Benchmark]: RCFGBuilder took 38392.78 ms. Allocated memory was 385.4 MB in the beginning and 1.2 GB in the end (delta: 766.5 MB). Free memory was 230.7 MB in the beginning and 273.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 890.4 MB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,622 INFO L168 Benchmark]: TraceAbstraction took 244093.93 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 273.0 MB in the beginning and 201.7 MB in the end (delta: 71.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-10 12:59:36,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4443.34 ms. Allocated memory was 140.5 MB in the beginning and 280.5 MB in the end (delta: 140.0 MB). Free memory was 72.4 MB in the beginning and 57.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 563.60 ms. Allocated memory was 280.5 MB in the beginning and 385.4 MB in the end (delta: 104.9 MB). Free memory was 57.2 MB in the beginning and 230.7 MB in the end (delta: -173.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 38392.78 ms. Allocated memory was 385.4 MB in the beginning and 1.2 GB in the end (delta: 766.5 MB). Free memory was 230.7 MB in the beginning and 273.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 890.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244093.93 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 273.0 MB in the beginning and 201.7 MB in the end (delta: 71.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11822]: 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 303 procedures, 3855 locations, 1 error locations. SAFE Result, 244.0s OverallTime, 20 OverallIterations, 61 TraceHistogramMax, 197.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100963 SDtfs, 65789 SDslu, 110267 SDs, 0 SdLazy, 9676 SolverSat, 2283 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 180.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1077 GetRequests, 1041 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60484occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.218875502008032 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 13.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.5s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 16642 NumberOfCodeBlocks, 16642 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 16622 ConstructedInterpolants, 0 QuantifiedInterpolants, 16790751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 317040/317058 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...