/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 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-eb0fd7c [2020-09-21 10:59:32,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:59:32,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:59:32,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:59:32,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:59:32,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:59:32,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:59:32,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:59:32,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:59:32,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:59:32,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:59:32,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:59:32,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:59:32,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:59:32,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:59:32,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:59:32,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:59:32,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:59:32,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:59:32,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:59:32,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:59:32,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:59:32,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:59:32,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:59:32,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:59:32,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:59:32,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:59:32,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:59:32,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:59:32,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:59:32,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:59:32,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:59:32,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:59:32,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:59:32,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:59:32,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:59:32,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:59:32,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:59:32,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:59:32,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:59:32,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:59:32,604 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 [2020-09-21 10:59:32,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:59:32,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:59:32,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:59:32,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:59:32,658 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:59:32,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:59:32,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:59:32,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:59:32,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:59:32,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:59:32,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:59:32,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:59:32,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:59:32,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:59:32,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:59:32,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:59:32,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:59:32,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:59:32,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:59:32,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:59:32,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:59:32,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:59:32,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:59:32,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:59:32,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:59:32,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:59:32,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 10:59:32,664 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 -> false [2020-09-21 10:59:33,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:59:33,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:59:33,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:59:33,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:59:33,129 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:59:33,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-21 10:59:33,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159ea6e7/728fc799e14548889a1692ed3741d0a1/FLAGfb6edddfe [2020-09-21 10:59:33,889 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:59:33,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-21 10:59:33,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159ea6e7/728fc799e14548889a1692ed3741d0a1/FLAGfb6edddfe [2020-09-21 10:59:34,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159ea6e7/728fc799e14548889a1692ed3741d0a1 [2020-09-21 10:59:34,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:59:34,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:59:34,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:59:34,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:59:34,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:59:34,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:59:34" (1/1) ... [2020-09-21 10:59:34,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1841641e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:34, skipping insertion in model container [2020-09-21 10:59:34,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:59:34" (1/1) ... [2020-09-21 10:59:34,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:59:34,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:59:34,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:59:34,968 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:59:35,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:59:35,124 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:59:35,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35 WrapperNode [2020-09-21 10:59:35,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:59:35,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:59:35,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:59:35,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:59:35,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (1/1) ... [2020-09-21 10:59:35,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:59:35,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:59:35,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:59:35,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:59:35,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (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 [2020-09-21 10:59:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:59:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:59:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 10:59:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 10:59:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-21 10:59:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-21 10:59:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-21 10:59:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-21 10:59:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-21 10:59:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-09-21 10:59:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-09-21 10:59:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-09-21 10:59:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-09-21 10:59:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-09-21 10:59:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-09-21 10:59:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-09-21 10:59:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-09-21 10:59:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-09-21 10:59:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2020-09-21 10:59:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-21 10:59:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-21 10:59:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-09-21 10:59:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-09-21 10:59:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-09-21 10:59:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-21 10:59:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-21 10:59:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 10:59:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:59:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 10:59:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 10:59:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:59:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 10:59:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-21 10:59:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-21 10:59:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-09-21 10:59:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-21 10:59:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-21 10:59:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-21 10:59:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:59:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-09-21 10:59:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:59:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 10:59:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-21 10:59:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:59:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:59:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:59:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 10:59:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:59:36,856 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:59:36,857 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 10:59:36,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:59:36 BoogieIcfgContainer [2020-09-21 10:59:36,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:59:36,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:59:36,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:59:36,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:59:36,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:59:34" (1/3) ... [2020-09-21 10:59:36,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18236a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:59:36, skipping insertion in model container [2020-09-21 10:59:36,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:59:35" (2/3) ... [2020-09-21 10:59:36,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18236a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:59:36, skipping insertion in model container [2020-09-21 10:59:36,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:59:36" (3/3) ... [2020-09-21 10:59:36,889 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-21 10:59:36,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:59:36,909 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:59:36,929 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:59:36,958 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:59:36,959 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:59:36,959 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:59:36,959 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:59:36,959 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:59:36,959 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:59:36,959 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:59:36,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:59:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-21 10:59:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 10:59:37,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:59:37,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:59:37,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:59:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:59:37,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2009611199, now seen corresponding path program 1 times [2020-09-21 10:59:37,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:59:37,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983371300] [2020-09-21 10:59:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:59:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:37,860 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-21 10:59:37,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:59:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:37,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:59:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:37,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:59:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:37,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:59:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:37,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 10:59:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 10:59:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 10:59:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 10:59:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 10:59:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 10:59:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 10:59:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 10:59:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 10:59:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 10:59:38,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983371300] [2020-09-21 10:59:38,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:59:38,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 10:59:38,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443587602] [2020-09-21 10:59:38,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 10:59:38,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:59:38,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 10:59:38,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:59:38,560 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 14 states. [2020-09-21 10:59:39,654 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:39,985 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:40,253 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:40,551 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:40,792 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:41,052 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:41,316 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-21 10:59:43,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:59:43,784 INFO L93 Difference]: Finished difference Result 605 states and 763 transitions. [2020-09-21 10:59:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 10:59:43,787 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2020-09-21 10:59:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:59:43,809 INFO L225 Difference]: With dead ends: 605 [2020-09-21 10:59:43,809 INFO L226 Difference]: Without dead ends: 337 [2020-09-21 10:59:43,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2020-09-21 10:59:43,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-21 10:59:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 256. [2020-09-21 10:59:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-21 10:59:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 296 transitions. [2020-09-21 10:59:43,961 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 296 transitions. Word has length 136 [2020-09-21 10:59:43,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:59:43,962 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 296 transitions. [2020-09-21 10:59:43,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 10:59:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 296 transitions. [2020-09-21 10:59:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-09-21 10:59:43,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:59:43,968 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:59:43,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:59:43,969 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:59:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:59:43,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1700928908, now seen corresponding path program 1 times [2020-09-21 10:59:43,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:59:43,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081720442] [2020-09-21 10:59:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:59:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,415 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-21 10:59:44,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:59:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:59:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:59:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:59:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 10:59:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:59:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 10:59:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:59:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 10:59:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 10:59:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 10:59:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 10:59:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 10:59:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 10:59:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 10:59:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-21 10:59:44,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081720442] [2020-09-21 10:59:44,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:59:44,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:59:44,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971937577] [2020-09-21 10:59:44,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:59:44,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:59:44,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:59:44,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:59:44,825 INFO L87 Difference]: Start difference. First operand 256 states and 296 transitions. Second operand 9 states. [2020-09-21 10:59:45,243 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 10:59:46,846 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-21 10:59:47,293 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-21 10:59:50,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:59:50,260 INFO L93 Difference]: Finished difference Result 808 states and 970 transitions. [2020-09-21 10:59:50,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:59:50,261 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-09-21 10:59:50,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:59:50,297 INFO L225 Difference]: With dead ends: 808 [2020-09-21 10:59:50,297 INFO L226 Difference]: Without dead ends: 805 [2020-09-21 10:59:50,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2020-09-21 10:59:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-09-21 10:59:50,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 714. [2020-09-21 10:59:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2020-09-21 10:59:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 844 transitions. [2020-09-21 10:59:50,412 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 844 transitions. Word has length 147 [2020-09-21 10:59:50,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:59:50,413 INFO L479 AbstractCegarLoop]: Abstraction has 714 states and 844 transitions. [2020-09-21 10:59:50,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:59:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 844 transitions. [2020-09-21 10:59:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 10:59:50,417 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:59:50,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:59:50,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:59:50,418 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:59:50,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:59:50,419 INFO L82 PathProgramCache]: Analyzing trace with hash -459511053, now seen corresponding path program 1 times [2020-09-21 10:59:50,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:59:50,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219556223] [2020-09-21 10:59:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:59:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,734 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-21 10:59:50,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:59:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:59:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:59:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 10:59:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:59:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 10:59:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 10:59:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 10:59:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 10:59:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 10:59:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 10:59:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 10:59:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 10:59:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 10:59:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-21 10:59:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:59:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:50,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-21 10:59:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:59:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-21 10:59:51,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219556223] [2020-09-21 10:59:51,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:59:51,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:59:51,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470144642] [2020-09-21 10:59:51,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:59:51,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:59:51,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:59:51,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:59:51,027 INFO L87 Difference]: Start difference. First operand 714 states and 844 transitions. Second operand 7 states. [2020-09-21 10:59:53,165 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-21 10:59:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:59:55,463 INFO L93 Difference]: Finished difference Result 1093 states and 1325 transitions. [2020-09-21 10:59:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 10:59:55,464 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-09-21 10:59:55,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:59:55,465 INFO L225 Difference]: With dead ends: 1093 [2020-09-21 10:59:55,466 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:59:55,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-09-21 10:59:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:59:55,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:59:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:59:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:59:55,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-21 10:59:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:59:55,478 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:59:55,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:59:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:59:55,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:59:55,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:59:55,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:59:56,138 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 10:59:56,327 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 10:59:57,198 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 14 [2020-09-21 10:59:59,009 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 10:59:59,231 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 11:00:01,349 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 11:00:05,262 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 11:00:05,490 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 11:00:06,409 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-21 11:00:08,930 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 11:00:09,150 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-21 11:00:15,943 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 11:00:18,715 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:19,216 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:19,599 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-21 11:00:19,751 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-09-21 11:00:19,970 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-21 11:00:20,502 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:20,886 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2020-09-21 11:00:21,401 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:21,915 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:22,052 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:22,176 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:22,714 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2020-09-21 11:00:22,835 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:23,084 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-09-21 11:00:23,519 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:23,683 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-21 11:00:24,012 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-21 11:00:24,134 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:24,259 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:24,394 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-21 11:00:24,589 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:24,814 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-09-21 11:00:24,916 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:25,076 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 25 [2020-09-21 11:00:25,598 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:26,103 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:26,409 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2020-09-21 11:00:26,929 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:27,313 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-21 11:00:27,437 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:27,955 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:28,499 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:28,604 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:28,728 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:29,244 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:29,381 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:29,485 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-09-21 11:00:29,591 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:29,696 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:29,965 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:30,339 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2020-09-21 11:00:30,535 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-21 11:00:31,065 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:31,189 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:31,293 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:31,428 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-21 11:00:31,549 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:31,671 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:31,808 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-09-21 11:00:31,966 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-21 11:00:32,088 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:32,467 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-21 11:00:32,604 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-21 11:00:32,711 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:33,223 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:33,754 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:33,878 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:34,076 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-21 11:00:34,306 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-09-21 11:00:34,821 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:35,198 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-09-21 11:00:35,336 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:35,473 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-09-21 11:00:35,590 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:35,695 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:36,261 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2020-09-21 11:00:36,367 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-09-21 11:00:36,523 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2020-09-21 11:00:36,646 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1