/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:35:55,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:35:55,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:35:55,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:35:55,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:35:55,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:35:55,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:35:55,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:35:55,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:35:55,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:35:55,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:35:55,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:35:55,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:35:55,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:35:55,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:35:55,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:35:55,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:35:55,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:35:55,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:35:55,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:35:55,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:35:55,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:35:55,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:35:55,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:35:55,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:35:55,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:35:55,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:35:55,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:35:55,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:35:55,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:35:55,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:35:55,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:35:55,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:35:55,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:35:55,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:35:55,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:35:55,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:35:55,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:35:55,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:35:55,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:35:55,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:35:55,511 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 [2020-09-24 15:35:55,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:35:55,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:35:55,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:35:55,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:35:55,564 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:35:55,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:35:55,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:35:55,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:35:55,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:35:55,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:35:55,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:35:55,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:35:55,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:35:55,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:35:55,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:35:55,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:35:55,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:35:55,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:35:55,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:35:55,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:35:55,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:35:55,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:35:55,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:35:55,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:35:55,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:35:55,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:35:55,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 15:35:55,570 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.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 15:35:56,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:35:56,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:35:56,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:35:56,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:35:56,057 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:35:56,058 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 15:35:56,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa57b3fe9/f17aa30bc2bb4d88af76a45697654f25/FLAG818f42abd [2020-09-24 15:35:56,840 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:35:56,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 15:35:56,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa57b3fe9/f17aa30bc2bb4d88af76a45697654f25/FLAG818f42abd [2020-09-24 15:35:57,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa57b3fe9/f17aa30bc2bb4d88af76a45697654f25 [2020-09-24 15:35:57,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:35:57,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:35:57,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:35:57,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:35:57,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:35:57,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:57,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83bebeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57, skipping insertion in model container [2020-09-24 15:35:57,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:57,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:35:57,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:35:57,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:35:57,817 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:35:57,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:35:57,986 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:35:57,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57 WrapperNode [2020-09-24 15:35:57,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:35:57,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:35:57,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:35:57,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:35:58,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (1/1) ... [2020-09-24 15:35:58,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:35:58,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:35:58,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:35:58,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:35:58,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (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 [2020-09-24 15:35:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:35:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:35:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 15:35:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 15:35:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 15:35:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 15:35:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 15:35:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 15:35:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 15:35:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-09-24 15:35:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-09-24 15:35:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-09-24 15:35:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-09-24 15:35:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-09-24 15:35:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-09-24 15:35:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-09-24 15:35:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-09-24 15:35:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-09-24 15:35:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-09-24 15:35:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-09-24 15:35:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:35:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 15:35:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 15:35:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2020-09-24 15:35:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2020-09-24 15:35:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 15:35:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 15:35:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 15:35:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 15:35:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 15:35:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 15:35:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-09-24 15:35:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 15:35:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 15:35:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-24 15:35:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 15:35:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 15:35:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-09-24 15:35:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 15:35:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 15:35:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-09-24 15:35:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-09-24 15:35:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-09-24 15:35:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 15:35:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-09-24 15:35:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-09-24 15:35:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-09-24 15:35:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-09-24 15:35:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-09-24 15:35:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 15:35:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:35:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 15:35:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 15:35:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 15:35:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-24 15:35:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-09-24 15:35:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 15:35:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-09-24 15:35:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 15:35:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 15:35:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-09-24 15:35:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 15:35:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 15:35:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:35:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 15:35:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 15:35:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:35:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 15:35:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:35:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 15:35:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 15:35:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 15:35:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 15:35:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 15:35:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 15:35:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-09-24 15:35:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 15:35:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 15:35:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 15:35:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-09-24 15:35:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-09-24 15:35:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-09-24 15:35:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-09-24 15:35:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-09-24 15:35:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-09-24 15:35:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:35:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:35:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-09-24 15:35:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-09-24 15:35:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-09-24 15:35:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:35:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-09-24 15:35:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-09-24 15:35:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:35:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:35:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-09-24 15:35:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-09-24 15:35:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:35:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-09-24 15:35:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-09-24 15:35:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-09-24 15:35:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 15:35:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-09-24 15:35:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-09-24 15:35:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 15:35:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-09-24 15:35:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:35:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 15:35:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 15:35:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 15:35:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 15:35:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:35:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:35:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:35:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 15:35:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:35:59,977 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:35:59,978 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:35:59,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:35:59 BoogieIcfgContainer [2020-09-24 15:35:59,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:35:59,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:35:59,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:35:59,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:35:59,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:35:57" (1/3) ... [2020-09-24 15:35:59,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9b1ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:35:59, skipping insertion in model container [2020-09-24 15:35:59,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:35:57" (2/3) ... [2020-09-24 15:35:59,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9b1ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:35:59, skipping insertion in model container [2020-09-24 15:35:59,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:35:59" (3/3) ... [2020-09-24 15:35:59,997 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 15:36:00,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:36:00,021 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:36:00,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:36:00,079 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:36:00,080 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:36:00,080 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:36:00,080 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:36:00,080 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:36:00,081 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:36:00,081 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:36:00,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:36:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states. [2020-09-24 15:36:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-24 15:36:00,142 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:36:00,144 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:36:00,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:36:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:36:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 569274542, now seen corresponding path program 1 times [2020-09-24 15:36:00,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:36:00,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266805817] [2020-09-24 15:36:00,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:36:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,208 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 15:36:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:36:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:36:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 15:36:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 15:36:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:36:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:36:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:36:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 15:36:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:36:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:36:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:36:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 15:36:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 15:36:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 15:36:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 15:36:01,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266805817] [2020-09-24 15:36:01,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:36:01,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:36:01,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390494164] [2020-09-24 15:36:01,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:36:01,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:36:02,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:36:02,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:36:02,003 INFO L87 Difference]: Start difference. First operand 581 states. Second operand 17 states. [2020-09-24 15:36:03,447 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:03,710 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:03,911 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 15:36:04,157 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:04,419 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:04,639 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 15:36:04,865 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:05,114 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 15:36:05,418 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:05,643 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 15:36:05,837 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 15:36:06,069 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 15:36:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:36:10,036 INFO L93 Difference]: Finished difference Result 1081 states and 1239 transitions. [2020-09-24 15:36:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:36:10,038 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 301 [2020-09-24 15:36:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:36:10,071 INFO L225 Difference]: With dead ends: 1081 [2020-09-24 15:36:10,071 INFO L226 Difference]: Without dead ends: 641 [2020-09-24 15:36:10,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2020-09-24 15:36:10,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-09-24 15:36:10,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 504. [2020-09-24 15:36:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-09-24 15:36:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 544 transitions. [2020-09-24 15:36:10,218 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 544 transitions. Word has length 301 [2020-09-24 15:36:10,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:36:10,220 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 544 transitions. [2020-09-24 15:36:10,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:36:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 544 transitions. [2020-09-24 15:36:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-09-24 15:36:10,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:36:10,228 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:36:10,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:36:10,229 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:36:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:36:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash -386211786, now seen corresponding path program 1 times [2020-09-24 15:36:10,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:36:10,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039967600] [2020-09-24 15:36:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:36:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,718 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 15:36:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:36:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:36:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 15:36:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 15:36:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:36:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:36:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:36:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 15:36:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:36:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:36:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:36:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:36:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:36:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:36:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:10,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:11,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:36:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:11,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 15:36:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-09-24 15:36:11,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039967600] [2020-09-24 15:36:11,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:36:11,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:36:11,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503154431] [2020-09-24 15:36:11,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:36:11,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:36:11,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:36:11,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:36:11,292 INFO L87 Difference]: Start difference. First operand 504 states and 544 transitions. Second operand 10 states. [2020-09-24 15:36:11,679 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 15:36:14,007 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-24 15:36:14,543 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-24 15:36:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:36:18,413 INFO L93 Difference]: Finished difference Result 1452 states and 1614 transitions. [2020-09-24 15:36:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:36:18,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2020-09-24 15:36:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:36:18,426 INFO L225 Difference]: With dead ends: 1452 [2020-09-24 15:36:18,426 INFO L226 Difference]: Without dead ends: 1449 [2020-09-24 15:36:18,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:36:18,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2020-09-24 15:36:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1305. [2020-09-24 15:36:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-09-24 15:36:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1435 transitions. [2020-09-24 15:36:18,554 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1435 transitions. Word has length 315 [2020-09-24 15:36:18,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:36:18,556 INFO L479 AbstractCegarLoop]: Abstraction has 1305 states and 1435 transitions. [2020-09-24 15:36:18,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:36:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1435 transitions. [2020-09-24 15:36:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 15:36:18,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:36:18,564 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:36:18,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:36:18,566 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:36:18,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:36:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1407983841, now seen corresponding path program 1 times [2020-09-24 15:36:18,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:36:18,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328837939] [2020-09-24 15:36:18,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:36:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:18,973 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 15:36:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:36:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:36:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 15:36:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 15:36:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:36:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:36:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:36:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 15:36:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:36:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:36:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:36:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:36:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:36:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:36:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:36:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:36:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:36:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 15:36:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-24 15:36:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:36:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 15:36:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:36:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-24 15:36:19,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328837939] [2020-09-24 15:36:19,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:36:19,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:36:19,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707139114] [2020-09-24 15:36:19,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:36:19,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:36:19,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:36:19,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:36:19,441 INFO L87 Difference]: Start difference. First operand 1305 states and 1435 transitions. Second operand 7 states. [2020-09-24 15:36:21,278 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-24 15:36:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:36:22,828 INFO L93 Difference]: Finished difference Result 1955 states and 2187 transitions. [2020-09-24 15:36:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:36:22,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-09-24 15:36:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:36:22,830 INFO L225 Difference]: With dead ends: 1955 [2020-09-24 15:36:22,830 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:36:22,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:36:22,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:36:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:36:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:36:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:36:22,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2020-09-24 15:36:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:36:22,841 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:36:22,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:36:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:36:22,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:36:22,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:36:22,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:36:24,267 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 15 [2020-09-24 15:36:24,448 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 14 [2020-09-24 15:36:24,891 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 15 [2020-09-24 15:36:26,499 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:26,722 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:30,292 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:30,512 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:33,301 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:33,521 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 15:36:45,915 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:46,367 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:46,736 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-24 15:36:46,971 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-24 15:36:47,495 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:47,844 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2020-09-24 15:36:48,331 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:48,817 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:48,933 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:49,053 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:49,581 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2020-09-24 15:36:49,691 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:50,237 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:50,421 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-24 15:36:50,770 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2020-09-24 15:36:50,966 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-09-24 15:36:51,327 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-24 15:36:51,445 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:51,552 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:51,679 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-24 15:36:51,865 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:52,070 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-09-24 15:36:52,326 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 25 [2020-09-24 15:36:52,828 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:53,343 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:53,624 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2020-09-24 15:36:54,116 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:54,474 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-24 15:36:54,590 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:55,079 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:55,584 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:55,798 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:56,291 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:56,415 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:56,796 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:57,056 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-24 15:36:57,553 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-24 15:36:57,668 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:57,794 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-24 15:36:57,923 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:58,139 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:58,255 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-24 15:36:58,413 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 15:36:58,645 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33