/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 20:44:17,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 20:44:17,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 20:44:17,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 20:44:17,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 20:44:17,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 20:44:17,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 20:44:17,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 20:44:17,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 20:44:17,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 20:44:17,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 20:44:17,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 20:44:17,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 20:44:17,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 20:44:17,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 20:44:17,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 20:44:17,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 20:44:17,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 20:44:17,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 20:44:17,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 20:44:17,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 20:44:17,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 20:44:17,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 20:44:17,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 20:44:17,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 20:44:17,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 20:44:17,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 20:44:17,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 20:44:17,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 20:44:17,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 20:44:17,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 20:44:17,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 20:44:17,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 20:44:17,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 20:44:17,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 20:44:17,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 20:44:17,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 20:44:17,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 20:44:17,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 20:44:17,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 20:44:17,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 20:44:17,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-23 20:44:17,386 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 20:44:17,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 20:44:17,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 20:44:17,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 20:44:17,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 20:44:17,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 20:44:17,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 20:44:17,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 20:44:17,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 20:44:17,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 20:44:17,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 20:44:17,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 20:44:17,394 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 20:44:17,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 20:44:17,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 20:44:17,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:44:17,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 20:44:17,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 20:44:17,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 20:44:17,395 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 20:44:17,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 20:44:17,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 20:44:17,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 20:44:17,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 20:44:17,802 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 20:44:17,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-23 20:44:17,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2640fbc87/551b88f1139245e78c23a95e269cca46/FLAG96b1a0ed9 [2021-02-23 20:44:18,928 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 20:44:18,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-23 20:44:18,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2640fbc87/551b88f1139245e78c23a95e269cca46/FLAG96b1a0ed9 [2021-02-23 20:44:19,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2640fbc87/551b88f1139245e78c23a95e269cca46 [2021-02-23 20:44:19,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 20:44:19,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 20:44:19,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 20:44:19,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 20:44:19,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 20:44:19,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:44:19" (1/1) ... [2021-02-23 20:44:19,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67172bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:19, skipping insertion in model container [2021-02-23 20:44:19,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:44:19" (1/1) ... [2021-02-23 20:44:19,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 20:44:19,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 20:44:20,712 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-02-23 20:44:20,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:44:20,807 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 20:44:21,097 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-02-23 20:44:21,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:44:21,177 INFO L208 MainTranslator]: Completed translation [2021-02-23 20:44:21,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21 WrapperNode [2021-02-23 20:44:21,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 20:44:21,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 20:44:21,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 20:44:21,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 20:44:21,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... [2021-02-23 20:44:21,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 20:44:21,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 20:44:21,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 20:44:21,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 20:44:21,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:44:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 20:44:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 20:44:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 20:44:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-02-23 20:44:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-02-23 20:44:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-02-23 20:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-02-23 20:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-02-23 20:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-02-23 20:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-02-23 20:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-23 20:44:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-23 20:44:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 20:44:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 20:44:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 20:44:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-23 20:44:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-02-23 20:44:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-02-23 20:44:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-23 20:44:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-23 20:44:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-23 20:44:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-02-23 20:44:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-02-23 20:44:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2021-02-23 20:44:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-02-23 20:44:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2021-02-23 20:44:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2021-02-23 20:44:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2021-02-23 20:44:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2021-02-23 20:44:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-02-23 20:44:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2021-02-23 20:44:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2021-02-23 20:44:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-23 20:44:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-02-23 20:44:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-02-23 20:44:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-02-23 20:44:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2021-02-23 20:44:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2021-02-23 20:44:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-02-23 20:44:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-02-23 20:44:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-02-23 20:44:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-02-23 20:44:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-02-23 20:44:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 20:44:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-23 20:44:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 20:44:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-23 20:44:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 20:44:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 20:44:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 20:44:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 20:44:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 20:44:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 20:44:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-23 20:44:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-23 20:44:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-23 20:44:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-02-23 20:44:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-02-23 20:44:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-02-23 20:44:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-02-23 20:44:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-02-23 20:44:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-02-23 20:44:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-02-23 20:44:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-02-23 20:44:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-23 20:44:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-02-23 20:44:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-02-23 20:44:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 20:44:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-02-23 20:44:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-02-23 20:44:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-23 20:44:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-23 20:44:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2021-02-23 20:44:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-02-23 20:44:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-02-23 20:44:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-02-23 20:44:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2021-02-23 20:44:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-02-23 20:44:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2021-02-23 20:44:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2021-02-23 20:44:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-02-23 20:44:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-02-23 20:44:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2021-02-23 20:44:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2021-02-23 20:44:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2021-02-23 20:44:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2021-02-23 20:44:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2021-02-23 20:44:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 20:44:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 20:44:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 20:44:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 20:44:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-02-23 20:44:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2021-02-23 20:44:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2021-02-23 20:44:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-23 20:44:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-23 20:44:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 20:44:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-02-23 20:44:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2021-02-23 20:44:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2021-02-23 20:44:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 20:44:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-23 20:44:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-23 20:44:22,627 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-23 20:44:24,695 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2021-02-23 20:44:24,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 20:44:24,990 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 20:44:24,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:44:24 BoogieIcfgContainer [2021-02-23 20:44:24,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 20:44:25,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 20:44:25,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 20:44:25,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 20:44:25,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 08:44:19" (1/3) ... [2021-02-23 20:44:25,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d609de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:44:25, skipping insertion in model container [2021-02-23 20:44:25,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:44:21" (2/3) ... [2021-02-23 20:44:25,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d609de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:44:25, skipping insertion in model container [2021-02-23 20:44:25,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:44:24" (3/3) ... [2021-02-23 20:44:25,009 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-23 20:44:25,020 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 20:44:25,028 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 20:44:25,049 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 20:44:25,085 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 20:44:25,085 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 20:44:25,085 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 20:44:25,086 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 20:44:25,086 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 20:44:25,086 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 20:44:25,086 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 20:44:25,086 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 20:44:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states. [2021-02-23 20:44:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-02-23 20:44:25,190 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:44:25,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:44:25,195 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:44:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:44:25,204 INFO L82 PathProgramCache]: Analyzing trace with hash 737699563, now seen corresponding path program 1 times [2021-02-23 20:44:25,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:44:25,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589858018] [2021-02-23 20:44:25,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:44:25,372 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:44:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:26,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:26,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:26,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:26,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:26,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:26,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:29,198 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 20:44:29,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:44:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:29,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:29,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-02-23 20:44:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:29,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:29,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-02-23 20:44:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:29,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:29,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 20:44:29,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589858018] [2021-02-23 20:44:29,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:44:29,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 20:44:29,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101127843] [2021-02-23 20:44:29,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 20:44:29,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:44:29,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 20:44:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 20:44:29,678 INFO L87 Difference]: Start difference. First operand 1454 states. Second operand 5 states. [2021-02-23 20:44:34,906 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-23 20:44:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:44:56,071 INFO L93 Difference]: Finished difference Result 3050 states and 3700 transitions. [2021-02-23 20:44:56,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 20:44:56,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 302 [2021-02-23 20:44:56,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:44:56,133 INFO L225 Difference]: With dead ends: 3050 [2021-02-23 20:44:56,133 INFO L226 Difference]: Without dead ends: 1949 [2021-02-23 20:44:56,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:44:56,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2021-02-23 20:44:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1462. [2021-02-23 20:44:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1462 states. [2021-02-23 20:44:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1684 transitions. [2021-02-23 20:44:57,090 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1684 transitions. Word has length 302 [2021-02-23 20:44:57,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:44:57,094 INFO L480 AbstractCegarLoop]: Abstraction has 1462 states and 1684 transitions. [2021-02-23 20:44:57,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 20:44:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1684 transitions. [2021-02-23 20:44:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-02-23 20:44:57,105 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:44:57,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:44:57,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 20:44:57,106 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:44:57,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:44:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2009525515, now seen corresponding path program 1 times [2021-02-23 20:44:57,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:44:57,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379353725] [2021-02-23 20:44:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:44:57,130 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:44:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:57,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:57,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:57,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:57,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:00,703 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 20:45:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:45:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:00,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:00,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:00,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:00,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:45:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-02-23 20:45:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:00,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:00,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:01,049 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-23 20:45:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-02-23 20:45:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:01,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:01,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:01,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:01,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:01,253 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-23 20:45:01,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:45:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:01,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:01,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:01,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:01,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-23 20:45:01,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:01,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 20:45:01,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379353725] [2021-02-23 20:45:01,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:45:01,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 20:45:01,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515347585] [2021-02-23 20:45:01,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 20:45:01,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:45:01,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 20:45:01,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:45:01,549 INFO L87 Difference]: Start difference. First operand 1462 states and 1684 transitions. Second operand 7 states. [2021-02-23 20:45:04,831 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 529 [2021-02-23 20:45:10,268 WARN L202 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 531 [2021-02-23 20:45:10,516 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-23 20:45:11,036 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-23 20:45:30,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:45:30,430 INFO L93 Difference]: Finished difference Result 2840 states and 3352 transitions. [2021-02-23 20:45:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 20:45:30,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 369 [2021-02-23 20:45:30,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:45:30,443 INFO L225 Difference]: With dead ends: 2840 [2021-02-23 20:45:30,443 INFO L226 Difference]: Without dead ends: 1652 [2021-02-23 20:45:30,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 20:45:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2021-02-23 20:45:31,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1458. [2021-02-23 20:45:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2021-02-23 20:45:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1679 transitions. [2021-02-23 20:45:31,047 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1679 transitions. Word has length 369 [2021-02-23 20:45:31,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:45:31,048 INFO L480 AbstractCegarLoop]: Abstraction has 1458 states and 1679 transitions. [2021-02-23 20:45:31,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 20:45:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1679 transitions. [2021-02-23 20:45:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-02-23 20:45:31,056 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:45:31,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:45:31,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 20:45:31,057 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:45:31,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:45:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1705991321, now seen corresponding path program 1 times [2021-02-23 20:45:31,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:45:31,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566596533] [2021-02-23 20:45:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:45:31,067 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:45:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:31,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:31,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:45:31,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:31,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,454 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-23 20:45:34,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:45:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 20:45:34,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-02-23 20:45:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-02-23 20:45:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:45:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 20:45:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 20:45:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 20:45:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:34,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 20:45:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:34,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:34,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 20:45:35,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566596533] [2021-02-23 20:45:35,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:45:35,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 20:45:35,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948457874] [2021-02-23 20:45:35,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 20:45:35,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:45:35,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 20:45:35,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:45:35,184 INFO L87 Difference]: Start difference. First operand 1458 states and 1679 transitions. Second operand 7 states. [2021-02-23 20:45:38,505 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 529 [2021-02-23 20:45:42,713 WARN L202 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 531 [2021-02-23 20:45:42,947 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-23 20:45:43,316 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-23 20:45:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:45:54,154 INFO L93 Difference]: Finished difference Result 1770 states and 2084 transitions. [2021-02-23 20:45:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 20:45:54,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 410 [2021-02-23 20:45:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:45:54,157 INFO L225 Difference]: With dead ends: 1770 [2021-02-23 20:45:54,158 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 20:45:54,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-02-23 20:45:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 20:45:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 20:45:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 20:45:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 20:45:54,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2021-02-23 20:45:54,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:45:54,166 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 20:45:54,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 20:45:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 20:45:54,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 20:45:54,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 20:45:54,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 20:45:54,365 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:54,469 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:54,700 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:54,864 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:54,988 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-23 20:45:55,106 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:55,222 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:55,358 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:57,222 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:57,332 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2021-02-23 20:45:57,970 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:58,121 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:58,237 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:58,346 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:58,888 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:59,158 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:59,793 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:45:59,899 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:47:06,919 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 16 [2021-02-23 20:47:07,024 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 16 [2021-02-23 20:47:07,145 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 23 [2021-02-23 20:47:18,083 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:47:18,393 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-02-23 20:47:21,496 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:47:27,362 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:47:30,415 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:47:36,288 WARN L202 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:47:39,484 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:47:45,375 WARN L202 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:47:48,373 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:47:54,260 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:47:57,293 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:48:00,437 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 366 DAG size of output: 25 [2021-02-23 20:48:06,726 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:48:12,840 WARN L202 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:48:16,075 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:48:19,185 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:48:22,231 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:48:25,521 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:48:28,595 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:48:31,716 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:48:31,962 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-02-23 20:48:35,008 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:48:42,058 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:48:45,127 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:48:48,127 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:48:54,005 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:48:57,061 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:49:00,100 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:49:03,442 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:49:09,344 WARN L202 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 364 DAG size of output: 12 [2021-02-23 20:49:12,765 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:49:18,797 WARN L202 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:49:19,055 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:49:22,091 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:49:22,286 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:49:25,327 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:49:28,369 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:49:34,303 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:49:37,322 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:49:40,426 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:49:43,621 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:49:46,531 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:49:49,459 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 363 DAG size of output: 15 [2021-02-23 20:49:55,472 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:50:01,362 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:50:04,889 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 366 DAG size of output: 25 [2021-02-23 20:50:08,184 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:50:11,630 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:50:14,671 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 366 DAG size of output: 25 [2021-02-23 20:50:17,709 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:50:20,730 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:50:23,699 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:50:26,815 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 388 DAG size of output: 94 [2021-02-23 20:50:29,976 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 388 DAG size of output: 94 [2021-02-23 20:50:33,530 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:50:36,958 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 363 DAG size of output: 15 [2021-02-23 20:50:40,207 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:50:43,352 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:50:46,762 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:50:53,013 WARN L202 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:50:56,157 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:50:56,575 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:50:56,779 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:51:02,742 WARN L202 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:51:09,160 WARN L202 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:51:12,425 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:51:15,407 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:19,067 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:51:22,279 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:25,324 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:28,666 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:31,978 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 388 DAG size of output: 94 [2021-02-23 20:51:35,187 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:51:38,736 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:51:42,012 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:51:45,029 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:48,056 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:51:51,096 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:51:54,391 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:52:01,164 WARN L202 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:52:04,512 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 385 DAG size of output: 82 [2021-02-23 20:52:10,355 WARN L202 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 365 DAG size of output: 16 [2021-02-23 20:52:13,652 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:52:16,829 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:52:20,042 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:52:22,981 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:52:26,079 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:52:31,955 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:52:37,875 WARN L202 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:52:40,960 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:52:43,937 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:52:47,354 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:52:50,555 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:52:53,748 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:52:56,854 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:52:59,798 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:53:02,901 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:53:06,016 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:53:09,137 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:53:12,305 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:53:15,560 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:18,791 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:53:21,823 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:24,919 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:27,956 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:34,639 WARN L202 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2021-02-23 20:53:38,109 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:53:41,218 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:44,366 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:53:47,485 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:53:50,425 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:53:53,412 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:56,393 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:53:59,365 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:54:02,348 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:54:05,418 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:54:08,554 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:54:14,612 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:54:17,960 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:54:24,774 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:54:30,675 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:54:36,575 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:54:39,556 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:54:45,460 WARN L202 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:54:48,607 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:54:51,732 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:54:54,700 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 22 [2021-02-23 20:54:57,900 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:55:00,955 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:04,429 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:55:10,434 WARN L202 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:55:13,725 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:19,595 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:55:23,254 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:29,283 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:55:35,449 WARN L202 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 369 DAG size of output: 22 [2021-02-23 20:55:38,663 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:41,661 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:44,646 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:47,635 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:55:50,762 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:55:54,017 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:55:57,061 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:56:02,934 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:56:09,157 WARN L202 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:56:12,134 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 365 DAG size of output: 1 [2021-02-23 20:56:15,218 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 378 DAG size of output: 61 [2021-02-23 20:56:18,187 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:56:21,544 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:56:24,860 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:56:30,719 WARN L202 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:56:34,851 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:56:37,984 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:56:38,348 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:56:44,308 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:56:47,691 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 385 DAG size of output: 82 [2021-02-23 20:56:51,321 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:56:54,459 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:56:57,802 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:57:03,686 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:57:04,152 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 12 [2021-02-23 20:57:07,767 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 384 DAG size of output: 79 [2021-02-23 20:57:13,684 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:57:19,569 WARN L202 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:57:25,663 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 366 DAG size of output: 12 [2021-02-23 20:57:31,599 WARN L202 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 367 DAG size of output: 16 [2021-02-23 20:57:35,052 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 364 DAG size of output: 19 [2021-02-23 20:57:40,964 WARN L202 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 369 DAG size of output: 22