/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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 21:21:32,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 21:21:32,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 21:21:32,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 21:21:32,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 21:21:32,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 21:21:32,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 21:21:32,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 21:21:32,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 21:21:32,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 21:21:32,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 21:21:32,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 21:21:32,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 21:21:32,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 21:21:32,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 21:21:32,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 21:21:32,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 21:21:32,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 21:21:32,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 21:21:32,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 21:21:32,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 21:21:32,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 21:21:32,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 21:21:32,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 21:21:32,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 21:21:32,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 21:21:32,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 21:21:32,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 21:21:32,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 21:21:32,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 21:21:32,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 21:21:32,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 21:21:32,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 21:21:32,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 21:21:32,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 21:21:32,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 21:21:32,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 21:21:32,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 21:21:32,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 21:21:32,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 21:21:32,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 21:21:32,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-19 21:21:32,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 21:21:32,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 21:21:32,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 21:21:32,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 21:21:32,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 21:21:32,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 21:21:32,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 21:21:32,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 21:21:32,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 21:21:32,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 21:21:32,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 21:21:32,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 21:21:32,408 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-19 21:21:32,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 21:21:32,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 21:21:32,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:21:32,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 21:21:32,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-19 21:21:32,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 21:21:32,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 21:21:32,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 21:21:32,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 21:21:32,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 21:21:32,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 21:21:32,879 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 21:21:32,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-19 21:21:32,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef72c47d/b29eb29135824d8389598c4110841b50/FLAG122bed70d [2021-02-19 21:21:34,011 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 21:21:34,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-19 21:21:34,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef72c47d/b29eb29135824d8389598c4110841b50/FLAG122bed70d [2021-02-19 21:21:34,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef72c47d/b29eb29135824d8389598c4110841b50 [2021-02-19 21:21:34,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 21:21:34,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 21:21:34,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 21:21:34,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 21:21:34,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 21:21:34,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:21:34" (1/1) ... [2021-02-19 21:21:34,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108abad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:34, skipping insertion in model container [2021-02-19 21:21:34,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:21:34" (1/1) ... [2021-02-19 21:21:34,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 21:21:34,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 21:21:35,361 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-02-19 21:21:35,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 21:21:35,890 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 21:21:36,122 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[151050,151063] [2021-02-19 21:21:36,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 21:21:36,322 INFO L208 MainTranslator]: Completed translation [2021-02-19 21:21:36,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36 WrapperNode [2021-02-19 21:21:36,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 21:21:36,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 21:21:36,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 21:21:36,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 21:21:36,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (1/1) ... [2021-02-19 21:21:36,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 21:21:36,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 21:21:36,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 21:21:36,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 21:21:36,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (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 [2021-02-19 21:21:36,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 21:21:36,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 21:21:36,641 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 21:21:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-02-19 21:21:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-02-19 21:21:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-02-19 21:21:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-02-19 21:21:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-02-19 21:21:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-02-19 21:21:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-02-19 21:21:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-19 21:21:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-19 21:21:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-19 21:21:36,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-19 21:21:36,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-19 21:21:36,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-19 21:21:36,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-19 21:21:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-19 21:21:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-19 21:21:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-19 21:21:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-19 21:21:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-19 21:21:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-02-19 21:21:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-02-19 21:21:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2021-02-19 21:21:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-02-19 21:21:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2021-02-19 21:21:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-02-19 21:21:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2021-02-19 21:21:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2021-02-19 21:21:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2021-02-19 21:21:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2021-02-19 21:21:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2021-02-19 21:21:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2021-02-19 21:21:36,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2021-02-19 21:21:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2021-02-19 21:21:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2021-02-19 21:21:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-02-19 21:21:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-19 21:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-02-19 21:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-02-19 21:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2021-02-19 21:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2021-02-19 21:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2021-02-19 21:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-02-19 21:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-02-19 21:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-02-19 21:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-02-19 21:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-19 21:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-02-19 21:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-02-19 21:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-02-19 21:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-02-19 21:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-02-19 21:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-19 21:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-19 21:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-19 21:21:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 21:21:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-19 21:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-19 21:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-02-19 21:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-02-19 21:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-02-19 21:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-02-19 21:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-02-19 21:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-02-19 21:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-19 21:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-19 21:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-19 21:21:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-19 21:21:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-19 21:21:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-19 21:21:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-19 21:21:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2021-02-19 21:21:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2021-02-19 21:21:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2021-02-19 21:21:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2021-02-19 21:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2021-02-19 21:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-02-19 21:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 21:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 21:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 21:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-19 21:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-19 21:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 21:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-19 21:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-19 21:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-19 21:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-19 21:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-19 21:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-19 21:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-02-19 21:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-02-19 21:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2021-02-19 21:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-02-19 21:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2021-02-19 21:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2021-02-19 21:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-02-19 21:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-02-19 21:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-02-19 21:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-02-19 21:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-02-19 21:21:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-02-19 21:21:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-02-19 21:21:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2021-02-19 21:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2021-02-19 21:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2021-02-19 21:21:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2021-02-19 21:21:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 21:21:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 21:21:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 21:21:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 21:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 21:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-02-19 21:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2021-02-19 21:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2021-02-19 21:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-02-19 21:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-02-19 21:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 21:21:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 21:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-19 21:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-19 21:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-19 21:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-19 21:21:37,807 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-19 21:21:40,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 21:21:40,516 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 21:21:40,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:21:40 BoogieIcfgContainer [2021-02-19 21:21:40,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 21:21:40,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 21:21:40,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 21:21:40,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 21:21:40,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:21:34" (1/3) ... [2021-02-19 21:21:40,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794bf43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:21:40, skipping insertion in model container [2021-02-19 21:21:40,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:21:36" (2/3) ... [2021-02-19 21:21:40,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794bf43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:21:40, skipping insertion in model container [2021-02-19 21:21:40,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:21:40" (3/3) ... [2021-02-19 21:21:40,530 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-02-19 21:21:40,537 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-19 21:21:40,544 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 21:21:40,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 21:21:40,584 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 21:21:40,584 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 21:21:40,584 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-19 21:21:40,584 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 21:21:40,584 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 21:21:40,585 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 21:21:40,585 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 21:21:40,585 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 21:21:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states. [2021-02-19 21:21:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-02-19 21:21:40,659 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:21:40,660 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] [2021-02-19 21:21:40,661 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:21:40,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:21:40,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1354446481, now seen corresponding path program 1 times [2021-02-19 21:21:40,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:21:40,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345704484] [2021-02-19 21:21:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:21:40,783 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:21:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:41,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:41,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:41,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:41,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:21:41,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:41,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,093 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 538 [2021-02-19 21:21:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:21:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:45,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:45,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-02-19 21:21:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:45,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:45,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:21:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:45,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:45,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-02-19 21:21:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:45,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:45,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-02-19 21:21:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:21:45,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:21:45,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:21:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:21:45,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345704484] [2021-02-19 21:21:45,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:21:45,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 21:21:45,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437188878] [2021-02-19 21:21:45,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 21:21:45,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:21:45,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 21:21:45,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-19 21:21:45,710 INFO L87 Difference]: Start difference. First operand 1506 states. Second operand 6 states. [2021-02-19 21:21:51,909 WARN L202 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 540 [2021-02-19 21:22:16,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:22:16,609 INFO L93 Difference]: Finished difference Result 3062 states and 3712 transitions. [2021-02-19 21:22:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:22:16,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2021-02-19 21:22:16,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:22:16,646 INFO L225 Difference]: With dead ends: 3062 [2021-02-19 21:22:16,646 INFO L226 Difference]: Without dead ends: 1957 [2021-02-19 21:22:16,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-02-19 21:22:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2021-02-19 21:22:17,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1470. [2021-02-19 21:22:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2021-02-19 21:22:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1692 transitions. [2021-02-19 21:22:17,391 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1692 transitions. Word has length 320 [2021-02-19 21:22:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:22:17,393 INFO L480 AbstractCegarLoop]: Abstraction has 1470 states and 1692 transitions. [2021-02-19 21:22:17,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 21:22:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1692 transitions. [2021-02-19 21:22:17,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-19 21:22:17,403 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:22:17,403 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] [2021-02-19 21:22:17,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 21:22:17,404 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:22:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:22:17,405 INFO L82 PathProgramCache]: Analyzing trace with hash -755532879, now seen corresponding path program 1 times [2021-02-19 21:22:17,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:22:17,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931801722] [2021-02-19 21:22:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:22:17,419 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:22:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:17,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:17,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:22:17,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:17,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,413 WARN L202 SmtUtils]: Spent 3.75 s on a formula simplification that was a NOOP. DAG size: 538 [2021-02-19 21:22:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:22:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:22:21,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-02-19 21:22:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:22:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-02-19 21:22:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,912 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 21:22:21,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:22:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-19 21:22:21,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-19 21:22:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:21,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:21,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:22:22,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931801722] [2021-02-19 21:22:22,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:22:22,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 21:22:22,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711589235] [2021-02-19 21:22:22,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 21:22:22,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:22:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 21:22:22,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-02-19 21:22:22,228 INFO L87 Difference]: Start difference. First operand 1470 states and 1692 transitions. Second operand 8 states. [2021-02-19 21:22:25,929 WARN L202 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 541 [2021-02-19 21:22:26,085 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 21:22:32,026 WARN L202 SmtUtils]: Spent 3.75 s on a formula simplification that was a NOOP. DAG size: 543 [2021-02-19 21:22:32,249 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 21:22:33,051 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 21:22:33,655 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:22:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:22:56,626 INFO L93 Difference]: Finished difference Result 2847 states and 3359 transitions. [2021-02-19 21:22:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 21:22:56,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 387 [2021-02-19 21:22:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:22:56,642 INFO L225 Difference]: With dead ends: 2847 [2021-02-19 21:22:56,642 INFO L226 Difference]: Without dead ends: 1660 [2021-02-19 21:22:56,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:22:56,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2021-02-19 21:22:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1466. [2021-02-19 21:22:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2021-02-19 21:22:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1687 transitions. [2021-02-19 21:22:57,246 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1687 transitions. Word has length 387 [2021-02-19 21:22:57,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:22:57,287 INFO L480 AbstractCegarLoop]: Abstraction has 1466 states and 1687 transitions. [2021-02-19 21:22:57,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 21:22:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1687 transitions. [2021-02-19 21:22:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-02-19 21:22:57,297 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:22:57,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:22:57,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 21:22:57,298 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:22:57,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:22:57,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1342931546, now seen corresponding path program 1 times [2021-02-19 21:22:57,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:22:57,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017020850] [2021-02-19 21:22:57,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:22:57,311 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:22:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:22:57,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:57,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:22:57,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:57,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:22:57,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:57,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 21:22:57,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:57,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 21:22:57,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:22:57,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,087 WARN L202 SmtUtils]: Spent 3.47 s on a formula simplification that was a NOOP. DAG size: 538 [2021-02-19 21:23:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:23:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-02-19 21:23:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:23:01,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:23:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:23:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-02-19 21:23:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,541 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 21:23:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:23:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-19 21:23:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-19 21:23:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-19 21:23:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 21:23:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-02-19 21:23:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:01,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:01,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:01,680 WARN L141 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size [2021-02-19 21:23:01,681 WARN L147 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size 8 [2021-02-19 21:23:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:23:01,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017020850] [2021-02-19 21:23:01,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:23:01,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-19 21:23:01,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857241307] [2021-02-19 21:23:01,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 21:23:01,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:23:01,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 21:23:01,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-19 21:23:01,973 INFO L87 Difference]: Start difference. First operand 1466 states and 1687 transitions. Second operand 11 states. [2021-02-19 21:23:05,616 WARN L202 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 541 [2021-02-19 21:23:11,568 WARN L202 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 543 [2021-02-19 21:23:12,029 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 21:23:12,735 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 21:23:23,733 WARN L202 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 548 DAG size of output: 546 [2021-02-19 21:23:27,606 WARN L202 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:23:31,291 WARN L202 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 549 [2021-02-19 21:23:34,933 WARN L202 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:23:59,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:23:59,253 INFO L93 Difference]: Finished difference Result 1778 states and 2092 transitions. [2021-02-19 21:23:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:23:59,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 428 [2021-02-19 21:23:59,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:23:59,256 INFO L225 Difference]: With dead ends: 1778 [2021-02-19 21:23:59,256 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 21:23:59,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2021-02-19 21:23:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 21:23:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 21:23:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 21:23:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 21:23:59,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 428 [2021-02-19 21:23:59,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:23:59,264 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 21:23:59,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-19 21:23:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 21:23:59,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 21:23:59,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 21:23:59,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 21:23:59,410 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2021-02-19 21:23:59,538 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:23:59,673 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2021-02-19 21:23:59,787 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:23:59,896 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2021-02-19 21:24:00,009 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:00,123 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:00,347 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2021-02-19 21:24:00,511 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:00,615 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2021-02-19 21:24:00,736 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:00,838 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:00,975 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:01,082 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:24:02,031 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:03,427 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:03,555 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:03,683 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:03,828 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:04,058 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:04,345 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:10,971 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:11,086 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:11,199 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:11,314 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:11,429 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:11,553 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-19 21:24:35,829 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2021-02-19 21:25:16,178 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2021-02-19 21:25:19,024 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2021-02-19 21:25:27,073 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 369 DAG size of output: 10 [2021-02-19 21:25:33,640 WARN L202 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:25:40,116 WARN L202 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:25:46,569 WARN L202 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:25:50,200 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:25:53,477 WARN L202 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:25:56,642 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:26:00,189 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:26:06,919 WARN L202 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:26:11,340 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 369 DAG size of output: 10 [2021-02-19 21:26:15,171 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:26:18,709 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:26:22,320 WARN L202 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:26:25,795 WARN L202 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:26:29,502 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:26:35,766 WARN L202 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 373 DAG size of output: 15 [2021-02-19 21:26:42,090 WARN L202 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:26:48,593 WARN L202 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:26:52,021 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:26:55,466 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:26:58,680 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 371 DAG size of output: 15 [2021-02-19 21:27:02,165 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:27:08,399 WARN L202 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:27:14,698 WARN L202 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:27:19,399 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:27:23,023 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:27:26,314 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:27:30,232 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:27:33,412 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:27:37,396 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:27:40,549 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:27:43,824 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:27:47,220 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:27:53,991 WARN L202 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:27:57,660 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:28:00,857 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 370 DAG size of output: 11 [2021-02-19 21:28:03,963 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 370 DAG size of output: 11 [2021-02-19 21:28:07,263 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 373 DAG size of output: 15 [2021-02-19 21:28:10,755 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:28:13,905 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:28:17,574 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:28:20,823 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 374 DAG size of output: 25 [2021-02-19 21:28:23,907 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 371 DAG size of output: 21 [2021-02-19 21:28:27,024 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:28:33,198 WARN L202 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:28:36,313 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:28:42,482 WARN L202 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 374 DAG size of output: 11 [2021-02-19 21:28:45,631 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:28:49,602 WARN L202 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:28:53,503 WARN L202 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 397 DAG size of output: 95 [2021-02-19 21:28:53,697 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 1 [2021-02-19 21:28:57,014 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 369 DAG size of output: 10 [2021-02-19 21:29:00,389 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:03,774 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:07,194 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:10,590 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:14,180 WARN L202 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:29:20,980 WARN L202 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 372 DAG size of output: 11 [2021-02-19 21:29:27,780 WARN L202 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:29:31,093 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:29:34,275 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:37,458 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:29:41,332 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:29:45,083 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 393 DAG size of output: 82 [2021-02-19 21:29:48,184 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 371 DAG size of output: 21 [2021-02-19 21:29:51,368 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:54,548 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:29:58,123 WARN L202 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:30:01,747 WARN L202 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:30:08,509 WARN L202 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:30:12,235 WARN L202 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:30:19,090 WARN L202 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:30:25,354 WARN L202 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:30:28,896 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:30:32,291 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:30:35,466 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:30:38,633 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:30:41,766 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 371 DAG size of output: 21 [2021-02-19 21:30:45,361 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:30:48,504 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:30:51,773 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 371 DAG size of output: 21 [2021-02-19 21:30:55,945 WARN L202 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:31:02,553 WARN L202 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:31:05,797 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 369 DAG size of output: 10 [2021-02-19 21:31:14,548 WARN L202 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 370 DAG size of output: 11 [2021-02-19 21:31:17,783 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 371 DAG size of output: 21 [2021-02-19 21:31:21,255 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:31:24,688 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:31:28,360 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:31:35,896 WARN L202 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 540 DAG size of output: 538 [2021-02-19 21:31:39,413 WARN L202 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:31:45,851 WARN L202 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:31:49,230 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:31:53,602 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:32:00,339 WARN L202 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:32:03,820 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:32:10,293 WARN L202 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:32:13,530 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:32:19,967 WARN L202 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:32:23,899 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 370 DAG size of output: 11 [2021-02-19 21:32:27,385 WARN L202 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:32:33,915 WARN L202 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:32:40,465 WARN L202 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:32:41,376 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-02-19 21:32:45,045 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:32:48,928 WARN L202 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:32:52,378 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:32:55,993 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:32:59,307 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:33:02,910 WARN L202 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:33:06,176 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:33:09,572 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:33:12,985 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 393 DAG size of output: 82 [2021-02-19 21:33:19,466 WARN L202 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:33:22,963 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:33:26,457 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:33:29,847 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:33:33,203 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:33:36,617 WARN L202 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:33:40,008 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:33:43,507 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:33:46,885 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:33:50,250 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 373 DAG size of output: 1 [2021-02-19 21:33:57,552 WARN L202 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 377 DAG size of output: 21 [2021-02-19 21:34:00,828 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 374 DAG size of output: 25 [2021-02-19 21:34:04,047 WARN L202 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:34:07,468 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2021-02-19 21:34:08,043 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 11 [2021-02-19 21:34:11,575 WARN L202 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 397 DAG size of output: 95 [2021-02-19 21:34:14,945 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 392 DAG size of output: 79 [2021-02-19 21:34:15,231 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 11 [2021-02-19 21:34:18,423 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:34:24,877 WARN L202 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:34:28,246 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 374 DAG size of output: 25 [2021-02-19 21:34:31,495 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 369 DAG size of output: 10 [2021-02-19 21:34:34,850 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 374 DAG size of output: 25 [2021-02-19 21:34:38,277 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 372 DAG size of output: 19 [2021-02-19 21:34:44,864 WARN L202 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 375 DAG size of output: 15 [2021-02-19 21:34:51,441 WARN L202 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 375 DAG size of output: 15