/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:00:58,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:00:58,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:00:58,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:00:58,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:00:58,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:00:58,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:00:58,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:00:58,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:00:58,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:00:58,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:00:58,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:00:58,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:00:58,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:00:58,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:00:58,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:00:58,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:00:58,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:00:58,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:00:58,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:00:58,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:00:58,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:00:58,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:00:58,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:00:58,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:00:58,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:00:58,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:00:58,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:00:58,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:00:58,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:00:58,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:00:58,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:00:58,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:00:58,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:00:58,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:00:58,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:00:58,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:00:58,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:00:58,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:00:58,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:00:58,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:00:58,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-18 20:00:58,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:00:58,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:00:58,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:00:58,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:00:58,565 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:00:58,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:00:58,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:00:58,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:00:58,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:00:58,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:00:58,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:00:58,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:00:58,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:00:58,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:00:58,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:00:58,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:00:58,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:00:58,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:00:58,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:00:58,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:00:58,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:00:58,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:00:58,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:00:58,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:00:58,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:00:58,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:00:58,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 20:00:58,572 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=HIGHLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=HIGHLEXORDER; [2020-08-18 20:00:58,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:00:58,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:00:58,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:00:58,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:00:58,928 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:00:58,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-08-18 20:00:58,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fa5d38e/4f3fd48ef45044938730969da986d485/FLAG050dbf275 [2020-08-18 20:00:59,716 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:00:59,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-08-18 20:00:59,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fa5d38e/4f3fd48ef45044938730969da986d485/FLAG050dbf275 [2020-08-18 20:01:00,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fa5d38e/4f3fd48ef45044938730969da986d485 [2020-08-18 20:01:00,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:01:00,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:01:00,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:01:00,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:01:00,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:01:00,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:01:00" (1/1) ... [2020-08-18 20:01:00,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3e2398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:00, skipping insertion in model container [2020-08-18 20:01:00,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:01:00" (1/1) ... [2020-08-18 20:01:00,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:01:00,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:01:01,003 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-08-18 20:01:01,004 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-08-18 20:01:01,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:01:01,943 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:01:02,029 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-08-18 20:01:02,030 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-08-18 20:01:02,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:01:02,273 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:01:02,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02 WrapperNode [2020-08-18 20:01:02,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:01:02,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:01:02,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:01:02,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:01:02,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... [2020-08-18 20:01:02,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:01:02,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:01:02,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:01:02,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:01:02,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 20:01:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:01:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:01:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-08-18 20:01:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-08-18 20:01:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-08-18 20:01:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-08-18 20:01:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-18 20:01:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-18 20:01:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-08-18 20:01:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-08-18 20:01:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-08-18 20:01:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-08-18 20:01:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-08-18 20:01:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-08-18 20:01:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-08-18 20:01:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-08-18 20:01:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-08-18 20:01:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 20:01:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 20:01:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 20:01:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 20:01:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 20:01:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 20:01:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 20:01:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-18 20:01:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-18 20:01:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-18 20:01:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-18 20:01:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-08-18 20:01:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-08-18 20:01:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-08-18 20:01:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-08-18 20:01:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-08-18 20:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-08-18 20:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-08-18 20:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-08-18 20:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-08-18 20:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-08-18 20:01:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-08-18 20:01:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-08-18 20:01:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-08-18 20:01:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-08-18 20:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-08-18 20:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-08-18 20:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-08-18 20:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-08-18 20:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-08-18 20:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-08-18 20:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-08-18 20:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-08-18 20:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-08-18 20:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-08-18 20:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-08-18 20:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-08-18 20:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-08-18 20:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-08-18 20:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-08-18 20:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-08-18 20:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-08-18 20:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-08-18 20:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-18 20:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-08-18 20:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-18 20:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-08-18 20:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-08-18 20:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-08-18 20:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-08-18 20:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-08-18 20:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-08-18 20:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-08-18 20:01:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-08-18 20:01:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-08-18 20:01:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-08-18 20:01:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-08-18 20:01:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-08-18 20:01:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-08-18 20:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-08-18 20:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 20:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 20:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-08-18 20:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-08-18 20:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-08-18 20:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-18 20:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-08-18 20:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-08-18 20:01:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-08-18 20:01:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-08-18 20:01:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 20:01:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 20:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-18 20:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-08-18 20:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-18 20:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-18 20:01:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-08-18 20:01:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-18 20:01:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-08-18 20:01:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-08-18 20:01:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-08-18 20:01:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-08-18 20:01:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-08-18 20:01:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-08-18 20:01:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:01:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-08-18 20:01:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-18 20:01:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-08-18 20:01:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:01:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 20:01:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:01:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 20:01:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 20:01:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 20:01:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 20:01:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:01:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 20:01:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-18 20:01:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-18 20:01:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:01:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-08-18 20:01:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-08-18 20:01:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-08-18 20:01:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-08-18 20:01:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-08-18 20:01:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-08-18 20:01:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-08-18 20:01:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-08-18 20:01:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-08-18 20:01:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:01:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-08-18 20:01:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-08-18 20:01:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-08-18 20:01:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:01:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-08-18 20:01:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-08-18 20:01:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-08-18 20:01:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-08-18 20:01:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:01:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:01:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-08-18 20:01:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-08-18 20:01:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-08-18 20:01:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-08-18 20:01:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:01:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:01:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:01:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 20:01:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:01:03,571 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 20:01:05,299 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:01:05,299 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 20:01:05,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:01:05 BoogieIcfgContainer [2020-08-18 20:01:05,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:01:05,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:01:05,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:01:05,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:01:05,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:01:00" (1/3) ... [2020-08-18 20:01:05,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14936261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:01:05, skipping insertion in model container [2020-08-18 20:01:05,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:01:02" (2/3) ... [2020-08-18 20:01:05,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14936261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:01:05, skipping insertion in model container [2020-08-18 20:01:05,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:01:05" (3/3) ... [2020-08-18 20:01:05,351 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-08-18 20:01:05,362 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:01:05,372 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:01:05,386 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:01:05,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:01:05,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:01:05,417 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:01:05,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:01:05,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:01:05,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:01:05,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:01:05,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:01:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-08-18 20:01:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-18 20:01:05,463 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:05,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:01:05,464 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:05,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2058672228, now seen corresponding path program 1 times [2020-08-18 20:01:05,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:05,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96023476] [2020-08-18 20:01:05,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:06,515 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:06,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:01:06,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96023476] [2020-08-18 20:01:06,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:01:06,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:01:06,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740612472] [2020-08-18 20:01:06,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:01:06,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:06,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:01:06,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:01:06,640 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 5 states. [2020-08-18 20:01:07,467 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-08-18 20:01:15,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:15,165 INFO L93 Difference]: Finished difference Result 1648 states and 2166 transitions. [2020-08-18 20:01:15,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:01:15,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-08-18 20:01:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:15,192 INFO L225 Difference]: With dead ends: 1648 [2020-08-18 20:01:15,193 INFO L226 Difference]: Without dead ends: 834 [2020-08-18 20:01:15,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:01:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-18 20:01:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 803. [2020-08-18 20:01:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-08-18 20:01:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1039 transitions. [2020-08-18 20:01:15,402 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1039 transitions. Word has length 30 [2020-08-18 20:01:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:15,403 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 1039 transitions. [2020-08-18 20:01:15,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:01:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1039 transitions. [2020-08-18 20:01:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-18 20:01:15,406 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:15,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:01:15,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:01:15,407 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:15,408 INFO L82 PathProgramCache]: Analyzing trace with hash 229024885, now seen corresponding path program 1 times [2020-08-18 20:01:15,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:15,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096703054] [2020-08-18 20:01:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:15,954 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:15,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 20:01:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 20:01:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:01:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:01:16,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096703054] [2020-08-18 20:01:16,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:01:16,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:01:16,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995614859] [2020-08-18 20:01:16,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:01:16,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:16,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:01:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:01:16,158 INFO L87 Difference]: Start difference. First operand 803 states and 1039 transitions. Second operand 7 states. [2020-08-18 20:01:22,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:22,068 INFO L93 Difference]: Finished difference Result 1640 states and 2144 transitions. [2020-08-18 20:01:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 20:01:22,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-08-18 20:01:22,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:22,077 INFO L225 Difference]: With dead ends: 1640 [2020-08-18 20:01:22,077 INFO L226 Difference]: Without dead ends: 864 [2020-08-18 20:01:22,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:01:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-08-18 20:01:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 807. [2020-08-18 20:01:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-08-18 20:01:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1045 transitions. [2020-08-18 20:01:22,214 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1045 transitions. Word has length 65 [2020-08-18 20:01:22,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:22,214 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 1045 transitions. [2020-08-18 20:01:22,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:01:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1045 transitions. [2020-08-18 20:01:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-18 20:01:22,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:22,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:01:22,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:01:22,218 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash 780245369, now seen corresponding path program 1 times [2020-08-18 20:01:22,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:22,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080657360] [2020-08-18 20:01:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,694 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:22,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 20:01:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:01:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:01:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:01:22,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080657360] [2020-08-18 20:01:22,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:01:22,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 20:01:22,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632837238] [2020-08-18 20:01:22,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:01:22,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:22,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:01:22,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:01:22,922 INFO L87 Difference]: Start difference. First operand 807 states and 1045 transitions. Second operand 8 states. [2020-08-18 20:01:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:29,918 INFO L93 Difference]: Finished difference Result 1674 states and 2194 transitions. [2020-08-18 20:01:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:01:29,921 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-08-18 20:01:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:29,929 INFO L225 Difference]: With dead ends: 1674 [2020-08-18 20:01:29,929 INFO L226 Difference]: Without dead ends: 894 [2020-08-18 20:01:29,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:01:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-08-18 20:01:30,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 837. [2020-08-18 20:01:30,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-08-18 20:01:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1089 transitions. [2020-08-18 20:01:30,119 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1089 transitions. Word has length 67 [2020-08-18 20:01:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:30,123 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1089 transitions. [2020-08-18 20:01:30,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:01:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1089 transitions. [2020-08-18 20:01:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-18 20:01:30,134 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:30,134 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 20:01:30,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:01:30,135 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:30,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2072814211, now seen corresponding path program 2 times [2020-08-18 20:01:30,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:30,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624826068] [2020-08-18 20:01:30,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,680 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 20:01:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 20:01:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:01:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:01:30,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624826068] [2020-08-18 20:01:30,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:01:30,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 20:01:30,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375179226] [2020-08-18 20:01:30,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:01:30,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:30,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:01:30,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:01:30,917 INFO L87 Difference]: Start difference. First operand 837 states and 1089 transitions. Second operand 9 states. [2020-08-18 20:01:39,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:39,057 INFO L93 Difference]: Finished difference Result 1734 states and 2282 transitions. [2020-08-18 20:01:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:01:39,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-18 20:01:39,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:39,069 INFO L225 Difference]: With dead ends: 1734 [2020-08-18 20:01:39,069 INFO L226 Difference]: Without dead ends: 924 [2020-08-18 20:01:39,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:01:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-18 20:01:39,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 867. [2020-08-18 20:01:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-08-18 20:01:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1133 transitions. [2020-08-18 20:01:39,238 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1133 transitions. Word has length 69 [2020-08-18 20:01:39,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:39,239 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 1133 transitions. [2020-08-18 20:01:39,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:01:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1133 transitions. [2020-08-18 20:01:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-08-18 20:01:39,240 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:39,240 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 20:01:39,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:01:39,241 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:39,241 INFO L82 PathProgramCache]: Analyzing trace with hash 621031553, now seen corresponding path program 3 times [2020-08-18 20:01:39,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:39,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932864745] [2020-08-18 20:01:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,687 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 20:01:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-18 20:01:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 20:01:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:01:39,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932864745] [2020-08-18 20:01:39,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:01:39,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 20:01:39,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425762563] [2020-08-18 20:01:39,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:01:39,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:01:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:01:39,913 INFO L87 Difference]: Start difference. First operand 867 states and 1133 transitions. Second operand 10 states. [2020-08-18 20:01:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:46,823 INFO L93 Difference]: Finished difference Result 1794 states and 2370 transitions. [2020-08-18 20:01:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:01:46,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-08-18 20:01:46,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:46,833 INFO L225 Difference]: With dead ends: 1794 [2020-08-18 20:01:46,834 INFO L226 Difference]: Without dead ends: 954 [2020-08-18 20:01:46,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:01:46,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-08-18 20:01:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 897. [2020-08-18 20:01:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-08-18 20:01:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1177 transitions. [2020-08-18 20:01:46,983 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1177 transitions. Word has length 71 [2020-08-18 20:01:46,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:46,985 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1177 transitions. [2020-08-18 20:01:46,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:01:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1177 transitions. [2020-08-18 20:01:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-18 20:01:46,987 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:46,988 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-08-18 20:01:46,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:01:46,989 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:46,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:46,989 INFO L82 PathProgramCache]: Analyzing trace with hash -458468731, now seen corresponding path program 4 times [2020-08-18 20:01:46,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:46,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952123447] [2020-08-18 20:01:46,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,435 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-18 20:01:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:01:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:01:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:01:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 20:01:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-18 20:01:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 20:01:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:01:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:01:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:01:47,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952123447] [2020-08-18 20:01:47,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:01:47,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 20:01:47,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410844508] [2020-08-18 20:01:47,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 20:01:47,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:01:47,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 20:01:47,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:01:47,648 INFO L87 Difference]: Start difference. First operand 897 states and 1177 transitions. Second operand 11 states. [2020-08-18 20:01:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:01:56,964 INFO L93 Difference]: Finished difference Result 1854 states and 2458 transitions. [2020-08-18 20:01:56,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:01:56,966 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 73 [2020-08-18 20:01:56,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:01:56,974 INFO L225 Difference]: With dead ends: 1854 [2020-08-18 20:01:56,974 INFO L226 Difference]: Without dead ends: 984 [2020-08-18 20:01:56,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:01:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-08-18 20:01:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 927. [2020-08-18 20:01:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-08-18 20:01:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1221 transitions. [2020-08-18 20:01:57,163 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1221 transitions. Word has length 73 [2020-08-18 20:01:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:01:57,165 INFO L479 AbstractCegarLoop]: Abstraction has 927 states and 1221 transitions. [2020-08-18 20:01:57,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 20:01:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1221 transitions. [2020-08-18 20:01:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-08-18 20:01:57,167 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:01:57,168 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-08-18 20:01:57,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:01:57,168 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:01:57,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:01:57,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1523843977, now seen corresponding path program 5 times [2020-08-18 20:01:57,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:01:57,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933142809] [2020-08-18 20:01:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:01:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat