/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:43:46,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:43:46,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:43:46,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:43:46,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:43:46,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:43:46,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:43:46,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:43:46,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:43:46,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:43:46,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:43:46,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:43:46,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:43:46,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:43:46,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:43:46,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:43:46,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:43:46,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:43:46,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:43:46,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:43:46,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:43:46,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:43:46,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:43:46,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:43:46,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:43:46,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:43:46,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:43:46,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:43:46,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:43:46,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:43:46,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:43:46,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:43:46,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:43:46,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:43:46,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:43:46,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:43:46,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:43:46,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:43:46,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:43:46,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:43:46,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:43:46,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:43:46,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:43:46,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:43:46,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:43:46,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:43:46,587 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:43:46,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:43:46,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:43:46,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:43:46,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:43:46,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:43:46,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:43:46,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:43:46,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:43:46,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:43:46,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:43:46,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:43:46,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:43:46,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:43:46,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:43:46,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:43:46,984 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:43:46,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-12-22 14:43:47,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b612d787e/cb68a93033e140ad9ef4fd513f6ed932/FLAG78810b89d [2020-12-22 14:43:48,166 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:43:48,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-12-22 14:43:48,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b612d787e/cb68a93033e140ad9ef4fd513f6ed932/FLAG78810b89d [2020-12-22 14:43:48,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b612d787e/cb68a93033e140ad9ef4fd513f6ed932 [2020-12-22 14:43:48,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:43:48,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:43:48,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:43:48,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:43:48,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:43:48,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:48" (1/1) ... [2020-12-22 14:43:48,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668990bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:48, skipping insertion in model container [2020-12-22 14:43:48,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:48" (1/1) ... [2020-12-22 14:43:48,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:43:48,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:43:50,156 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i[218619,218632] [2020-12-22 14:43:50,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:43:50,352 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:43:50,838 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i[218619,218632] [2020-12-22 14:43:50,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:43:51,265 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:43:51,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51 WrapperNode [2020-12-22 14:43:51,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:43:51,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:43:51,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:43:51,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:43:51,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:51,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:51,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:43:51,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:43:51,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:43:51,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:43:51,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:51,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:52,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:52,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:52,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:52,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:52,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (1/1) ... [2020-12-22 14:43:53,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:43:53,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:43:53,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:43:53,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:43:53,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (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 [2020-12-22 14:43:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-12-22 14:43:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-12-22 14:43:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:43:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:43:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:43:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:43:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:43:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:43:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-12-22 14:43:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-12-22 14:43:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:43:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-12-22 14:43:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-12-22 14:43:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:43:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:43:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-12-22 14:43:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-12-22 14:43:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:43:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-12-22 14:43:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-12-22 14:43:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:43:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:43:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:43:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:43:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:43:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:43:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:44:14,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:44:14,905 INFO L299 CfgBuilder]: Removed 2604 assume(true) statements. [2020-12-22 14:44:14,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:14 BoogieIcfgContainer [2020-12-22 14:44:14,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:44:14,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:44:14,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:44:14,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:44:14,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:43:48" (1/3) ... [2020-12-22 14:44:14,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ce887a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:14, skipping insertion in model container [2020-12-22 14:44:14,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:51" (2/3) ... [2020-12-22 14:44:14,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ce887a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:14, skipping insertion in model container [2020-12-22 14:44:14,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:14" (3/3) ... [2020-12-22 14:44:14,920 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-12-22 14:44:14,926 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:44:14,934 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-22 14:44:14,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-22 14:44:14,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:44:14,996 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:44:14,996 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:44:14,996 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:44:14,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:44:14,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:44:14,997 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:44:14,997 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:44:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states. [2020-12-22 14:44:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 14:44:15,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:15,077 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] [2020-12-22 14:44:15,078 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:15,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1748794963, now seen corresponding path program 1 times [2020-12-22 14:44:15,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:15,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893641356] [2020-12-22 14:44:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:15,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893641356] [2020-12-22 14:44:15,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:15,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:15,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596428725] [2020-12-22 14:44:15,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:44:15,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:15,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:44:15,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:44:15,927 INFO L87 Difference]: Start difference. First operand 4099 states. Second operand 2 states. [2020-12-22 14:44:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:16,187 INFO L93 Difference]: Finished difference Result 8194 states and 11639 transitions. [2020-12-22 14:44:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:44:16,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2020-12-22 14:44:16,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:16,243 INFO L225 Difference]: With dead ends: 8194 [2020-12-22 14:44:16,244 INFO L226 Difference]: Without dead ends: 4089 [2020-12-22 14:44:16,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:44:16,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4089 states. [2020-12-22 14:44:16,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4089 to 4089. [2020-12-22 14:44:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4089 states. [2020-12-22 14:44:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 5705 transitions. [2020-12-22 14:44:16,475 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 5705 transitions. Word has length 29 [2020-12-22 14:44:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:16,476 INFO L481 AbstractCegarLoop]: Abstraction has 4089 states and 5705 transitions. [2020-12-22 14:44:16,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:44:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 5705 transitions. [2020-12-22 14:44:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 14:44:16,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:16,478 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] [2020-12-22 14:44:16,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:44:16,479 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:16,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:16,480 INFO L82 PathProgramCache]: Analyzing trace with hash 614067241, now seen corresponding path program 1 times [2020-12-22 14:44:16,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:16,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696627552] [2020-12-22 14:44:16,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696627552] [2020-12-22 14:44:16,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:16,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:16,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309432316] [2020-12-22 14:44:16,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:16,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:16,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:16,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:16,837 INFO L87 Difference]: Start difference. First operand 4089 states and 5705 transitions. Second operand 3 states. [2020-12-22 14:44:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:19,278 INFO L93 Difference]: Finished difference Result 12206 states and 17052 transitions. [2020-12-22 14:44:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:19,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-12-22 14:44:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:19,331 INFO L225 Difference]: With dead ends: 12206 [2020-12-22 14:44:19,331 INFO L226 Difference]: Without dead ends: 8136 [2020-12-22 14:44:19,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:19,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8136 states. [2020-12-22 14:44:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8136 to 8132. [2020-12-22 14:44:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8132 states. [2020-12-22 14:44:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8132 states to 8132 states and 11362 transitions. [2020-12-22 14:44:19,830 INFO L78 Accepts]: Start accepts. Automaton has 8132 states and 11362 transitions. Word has length 29 [2020-12-22 14:44:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:19,831 INFO L481 AbstractCegarLoop]: Abstraction has 8132 states and 11362 transitions. [2020-12-22 14:44:19,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 8132 states and 11362 transitions. [2020-12-22 14:44:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 14:44:19,841 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:19,841 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] [2020-12-22 14:44:19,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:44:19,843 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:19,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:19,846 INFO L82 PathProgramCache]: Analyzing trace with hash -847670758, now seen corresponding path program 1 times [2020-12-22 14:44:19,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:19,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854921551] [2020-12-22 14:44:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:20,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854921551] [2020-12-22 14:44:20,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:20,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:20,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813824358] [2020-12-22 14:44:20,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:20,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:20,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:20,146 INFO L87 Difference]: Start difference. First operand 8132 states and 11362 transitions. Second operand 3 states. [2020-12-22 14:44:20,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:20,647 INFO L93 Difference]: Finished difference Result 23500 states and 32877 transitions. [2020-12-22 14:44:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:20,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 14:44:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:20,753 INFO L225 Difference]: With dead ends: 23500 [2020-12-22 14:44:20,754 INFO L226 Difference]: Without dead ends: 15387 [2020-12-22 14:44:20,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15387 states. [2020-12-22 14:44:21,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15387 to 12997. [2020-12-22 14:44:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12997 states. [2020-12-22 14:44:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12997 states to 12997 states and 18161 transitions. [2020-12-22 14:44:21,453 INFO L78 Accepts]: Start accepts. Automaton has 12997 states and 18161 transitions. Word has length 34 [2020-12-22 14:44:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:21,453 INFO L481 AbstractCegarLoop]: Abstraction has 12997 states and 18161 transitions. [2020-12-22 14:44:21,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 12997 states and 18161 transitions. [2020-12-22 14:44:21,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 14:44:21,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:21,458 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] [2020-12-22 14:44:21,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:44:21,459 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:21,459 INFO L82 PathProgramCache]: Analyzing trace with hash -406509849, now seen corresponding path program 1 times [2020-12-22 14:44:21,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:21,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418289440] [2020-12-22 14:44:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:21,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418289440] [2020-12-22 14:44:21,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:21,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:21,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647821156] [2020-12-22 14:44:21,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:21,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:21,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:21,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:21,741 INFO L87 Difference]: Start difference. First operand 12997 states and 18161 transitions. Second operand 3 states. [2020-12-22 14:44:22,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:22,065 INFO L93 Difference]: Finished difference Result 13021 states and 18183 transitions. [2020-12-22 14:44:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:22,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-22 14:44:22,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:22,119 INFO L225 Difference]: With dead ends: 13021 [2020-12-22 14:44:22,119 INFO L226 Difference]: Without dead ends: 13009 [2020-12-22 14:44:22,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13009 states. [2020-12-22 14:44:22,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13009 to 12997. [2020-12-22 14:44:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12997 states. [2020-12-22 14:44:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12997 states to 12997 states and 18159 transitions. [2020-12-22 14:44:22,785 INFO L78 Accepts]: Start accepts. Automaton has 12997 states and 18159 transitions. Word has length 38 [2020-12-22 14:44:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:22,786 INFO L481 AbstractCegarLoop]: Abstraction has 12997 states and 18159 transitions. [2020-12-22 14:44:22,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12997 states and 18159 transitions. [2020-12-22 14:44:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 14:44:22,789 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:22,789 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] [2020-12-22 14:44:22,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:44:22,791 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:22,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:22,791 INFO L82 PathProgramCache]: Analyzing trace with hash -406450267, now seen corresponding path program 1 times [2020-12-22 14:44:22,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:22,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933516409] [2020-12-22 14:44:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:23,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933516409] [2020-12-22 14:44:23,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:23,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:23,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193171950] [2020-12-22 14:44:23,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:23,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:23,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:23,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:23,158 INFO L87 Difference]: Start difference. First operand 12997 states and 18159 transitions. Second operand 3 states. [2020-12-22 14:44:23,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:23,635 INFO L93 Difference]: Finished difference Result 12997 states and 18159 transitions. [2020-12-22 14:44:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:23,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-22 14:44:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:23,675 INFO L225 Difference]: With dead ends: 12997 [2020-12-22 14:44:23,675 INFO L226 Difference]: Without dead ends: 12995 [2020-12-22 14:44:23,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12995 states. [2020-12-22 14:44:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12995 to 12995. [2020-12-22 14:44:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12995 states. [2020-12-22 14:44:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12995 states to 12995 states and 18157 transitions. [2020-12-22 14:44:24,291 INFO L78 Accepts]: Start accepts. Automaton has 12995 states and 18157 transitions. Word has length 38 [2020-12-22 14:44:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:24,291 INFO L481 AbstractCegarLoop]: Abstraction has 12995 states and 18157 transitions. [2020-12-22 14:44:24,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12995 states and 18157 transitions. [2020-12-22 14:44:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 14:44:24,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:24,293 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] [2020-12-22 14:44:24,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:44:24,293 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:24,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:24,294 INFO L82 PathProgramCache]: Analyzing trace with hash 284963038, now seen corresponding path program 1 times [2020-12-22 14:44:24,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:24,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658453210] [2020-12-22 14:44:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:24,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658453210] [2020-12-22 14:44:24,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:24,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:24,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2257712] [2020-12-22 14:44:24,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:24,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:24,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:24,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:24,536 INFO L87 Difference]: Start difference. First operand 12995 states and 18157 transitions. Second operand 3 states. [2020-12-22 14:44:24,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:24,909 INFO L93 Difference]: Finished difference Result 12995 states and 18157 transitions. [2020-12-22 14:44:24,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:24,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-22 14:44:24,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:24,944 INFO L225 Difference]: With dead ends: 12995 [2020-12-22 14:44:24,945 INFO L226 Difference]: Without dead ends: 12993 [2020-12-22 14:44:24,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12993 states. [2020-12-22 14:44:25,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12993 to 12993. [2020-12-22 14:44:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12993 states. [2020-12-22 14:44:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12993 states to 12993 states and 18155 transitions. [2020-12-22 14:44:25,410 INFO L78 Accepts]: Start accepts. Automaton has 12993 states and 18155 transitions. Word has length 39 [2020-12-22 14:44:25,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:25,411 INFO L481 AbstractCegarLoop]: Abstraction has 12993 states and 18155 transitions. [2020-12-22 14:44:25,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12993 states and 18155 transitions. [2020-12-22 14:44:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-22 14:44:25,412 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:25,412 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] [2020-12-22 14:44:25,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:44:25,413 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:25,413 INFO L82 PathProgramCache]: Analyzing trace with hash 243939023, now seen corresponding path program 1 times [2020-12-22 14:44:25,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:25,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638674296] [2020-12-22 14:44:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:25,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638674296] [2020-12-22 14:44:25,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:25,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:25,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555632948] [2020-12-22 14:44:25,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:25,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:25,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:25,766 INFO L87 Difference]: Start difference. First operand 12993 states and 18155 transitions. Second operand 3 states. [2020-12-22 14:44:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:26,063 INFO L93 Difference]: Finished difference Result 12993 states and 18155 transitions. [2020-12-22 14:44:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:26,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-22 14:44:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:26,101 INFO L225 Difference]: With dead ends: 12993 [2020-12-22 14:44:26,101 INFO L226 Difference]: Without dead ends: 12991 [2020-12-22 14:44:26,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:26,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12991 states. [2020-12-22 14:44:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12991 to 12991. [2020-12-22 14:44:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12991 states. [2020-12-22 14:44:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12991 states to 12991 states and 18153 transitions. [2020-12-22 14:44:26,640 INFO L78 Accepts]: Start accepts. Automaton has 12991 states and 18153 transitions. Word has length 40 [2020-12-22 14:44:26,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:26,641 INFO L481 AbstractCegarLoop]: Abstraction has 12991 states and 18153 transitions. [2020-12-22 14:44:26,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 12991 states and 18153 transitions. [2020-12-22 14:44:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 14:44:26,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:26,644 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] [2020-12-22 14:44:26,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:44:26,645 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:26,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:26,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1027805432, now seen corresponding path program 1 times [2020-12-22 14:44:26,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:26,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577395211] [2020-12-22 14:44:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:26,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577395211] [2020-12-22 14:44:26,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:26,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:26,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568920954] [2020-12-22 14:44:26,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:26,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:26,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:26,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:26,917 INFO L87 Difference]: Start difference. First operand 12991 states and 18153 transitions. Second operand 3 states. [2020-12-22 14:44:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:27,827 INFO L93 Difference]: Finished difference Result 38923 states and 54407 transitions. [2020-12-22 14:44:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:27,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-22 14:44:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:27,900 INFO L225 Difference]: With dead ends: 38923 [2020-12-22 14:44:27,900 INFO L226 Difference]: Without dead ends: 25945 [2020-12-22 14:44:27,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:27,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25945 states. [2020-12-22 14:44:28,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25945 to 25936. [2020-12-22 14:44:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25936 states. [2020-12-22 14:44:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25936 states to 25936 states and 36252 transitions. [2020-12-22 14:44:28,933 INFO L78 Accepts]: Start accepts. Automaton has 25936 states and 36252 transitions. Word has length 41 [2020-12-22 14:44:28,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:28,933 INFO L481 AbstractCegarLoop]: Abstraction has 25936 states and 36252 transitions. [2020-12-22 14:44:28,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 25936 states and 36252 transitions. [2020-12-22 14:44:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-22 14:44:28,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:28,954 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:28,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:44:28,955 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:28,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:28,956 INFO L82 PathProgramCache]: Analyzing trace with hash 833821888, now seen corresponding path program 1 times [2020-12-22 14:44:28,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:28,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996631961] [2020-12-22 14:44:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-22 14:44:29,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996631961] [2020-12-22 14:44:29,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:29,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:29,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161916120] [2020-12-22 14:44:29,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:29,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:29,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:29,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:29,230 INFO L87 Difference]: Start difference. First operand 25936 states and 36252 transitions. Second operand 3 states. [2020-12-22 14:44:30,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:30,590 INFO L93 Difference]: Finished difference Result 66833 states and 93493 transitions. [2020-12-22 14:44:30,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:30,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-22 14:44:30,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:30,705 INFO L225 Difference]: With dead ends: 66833 [2020-12-22 14:44:30,705 INFO L226 Difference]: Without dead ends: 40916 [2020-12-22 14:44:30,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:30,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40916 states. [2020-12-22 14:44:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40916 to 40890. [2020-12-22 14:44:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40890 states. [2020-12-22 14:44:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40890 states to 40890 states and 57230 transitions. [2020-12-22 14:44:32,327 INFO L78 Accepts]: Start accepts. Automaton has 40890 states and 57230 transitions. Word has length 94 [2020-12-22 14:44:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:32,331 INFO L481 AbstractCegarLoop]: Abstraction has 40890 states and 57230 transitions. [2020-12-22 14:44:32,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 40890 states and 57230 transitions. [2020-12-22 14:44:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-22 14:44:32,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:32,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:32,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:44:32,365 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:32,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash -865762240, now seen corresponding path program 1 times [2020-12-22 14:44:32,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:32,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432253008] [2020-12-22 14:44:32,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:44:32,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432253008] [2020-12-22 14:44:32,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:32,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:44:32,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443326769] [2020-12-22 14:44:32,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:44:32,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:32,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:44:32,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:44:32,688 INFO L87 Difference]: Start difference. First operand 40890 states and 57230 transitions. Second operand 4 states. [2020-12-22 14:44:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:35,996 INFO L93 Difference]: Finished difference Result 141847 states and 198508 transitions. [2020-12-22 14:44:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:44:35,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2020-12-22 14:44:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:36,273 INFO L225 Difference]: With dead ends: 141847 [2020-12-22 14:44:36,273 INFO L226 Difference]: Without dead ends: 100976 [2020-12-22 14:44:36,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:44:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100976 states. [2020-12-22 14:44:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100976 to 40906. [2020-12-22 14:44:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40906 states. [2020-12-22 14:44:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40906 states to 40906 states and 57246 transitions. [2020-12-22 14:44:38,698 INFO L78 Accepts]: Start accepts. Automaton has 40906 states and 57246 transitions. Word has length 109 [2020-12-22 14:44:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:38,699 INFO L481 AbstractCegarLoop]: Abstraction has 40906 states and 57246 transitions. [2020-12-22 14:44:38,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:44:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 40906 states and 57246 transitions. [2020-12-22 14:44:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-22 14:44:38,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:38,736 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:38,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:44:38,737 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:38,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2088522138, now seen corresponding path program 1 times [2020-12-22 14:44:38,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:38,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811853420] [2020-12-22 14:44:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:44:39,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811853420] [2020-12-22 14:44:39,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:39,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:44:39,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365758593] [2020-12-22 14:44:39,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:44:39,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:39,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:44:39,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:44:39,039 INFO L87 Difference]: Start difference. First operand 40906 states and 57246 transitions. Second operand 4 states. [2020-12-22 14:44:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:42,699 INFO L93 Difference]: Finished difference Result 142823 states and 199748 transitions. [2020-12-22 14:44:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:44:42,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-12-22 14:44:42,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:42,977 INFO L225 Difference]: With dead ends: 142823 [2020-12-22 14:44:42,978 INFO L226 Difference]: Without dead ends: 101936 [2020-12-22 14:44:43,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:44:43,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101936 states. [2020-12-22 14:44:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101936 to 40922. [2020-12-22 14:44:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40922 states. [2020-12-22 14:44:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40922 states to 40922 states and 57262 transitions. [2020-12-22 14:44:45,468 INFO L78 Accepts]: Start accepts. Automaton has 40922 states and 57262 transitions. Word has length 128 [2020-12-22 14:44:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:45,469 INFO L481 AbstractCegarLoop]: Abstraction has 40922 states and 57262 transitions. [2020-12-22 14:44:45,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:44:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 40922 states and 57262 transitions. [2020-12-22 14:44:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 14:44:45,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:45,505 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:45,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 14:44:45,506 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:45,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1561441205, now seen corresponding path program 1 times [2020-12-22 14:44:45,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:45,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812564616] [2020-12-22 14:44:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:44:45,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812564616] [2020-12-22 14:44:45,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:45,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:44:45,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37873288] [2020-12-22 14:44:45,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:44:45,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:45,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:44:45,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:44:45,966 INFO L87 Difference]: Start difference. First operand 40922 states and 57262 transitions. Second operand 4 states. [2020-12-22 14:44:47,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:47,731 INFO L93 Difference]: Finished difference Result 81889 states and 114584 transitions. [2020-12-22 14:44:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:44:47,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2020-12-22 14:44:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:47,795 INFO L225 Difference]: With dead ends: 81889 [2020-12-22 14:44:47,795 INFO L226 Difference]: Without dead ends: 40986 [2020-12-22 14:44:47,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:44:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40986 states. [2020-12-22 14:44:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40986 to 40954. [2020-12-22 14:44:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40954 states. [2020-12-22 14:44:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40954 states to 40954 states and 57294 transitions. [2020-12-22 14:44:49,462 INFO L78 Accepts]: Start accepts. Automaton has 40954 states and 57294 transitions. Word has length 135 [2020-12-22 14:44:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:49,463 INFO L481 AbstractCegarLoop]: Abstraction has 40954 states and 57294 transitions. [2020-12-22 14:44:49,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:44:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 40954 states and 57294 transitions. [2020-12-22 14:44:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 14:44:49,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:49,487 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:49,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 14:44:49,488 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:49,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1408669897, now seen corresponding path program 1 times [2020-12-22 14:44:49,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:49,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637565194] [2020-12-22 14:44:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:44:49,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637565194] [2020-12-22 14:44:49,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:49,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:44:49,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086706246] [2020-12-22 14:44:49,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:44:49,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:49,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:44:49,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:44:49,756 INFO L87 Difference]: Start difference. First operand 40954 states and 57294 transitions. Second operand 4 states. [2020-12-22 14:44:54,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:54,320 INFO L93 Difference]: Finished difference Result 172414 states and 241094 transitions. [2020-12-22 14:44:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:44:54,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2020-12-22 14:44:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:54,681 INFO L225 Difference]: With dead ends: 172414 [2020-12-22 14:44:54,682 INFO L226 Difference]: Without dead ends: 131479 [2020-12-22 14:44:54,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:44:54,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131479 states. [2020-12-22 14:44:56,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131479 to 40970. [2020-12-22 14:44:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40970 states. [2020-12-22 14:44:56,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40970 states to 40970 states and 57310 transitions. [2020-12-22 14:44:56,790 INFO L78 Accepts]: Start accepts. Automaton has 40970 states and 57310 transitions. Word has length 135 [2020-12-22 14:44:56,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:56,791 INFO L481 AbstractCegarLoop]: Abstraction has 40970 states and 57310 transitions. [2020-12-22 14:44:56,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:44:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 40970 states and 57310 transitions. [2020-12-22 14:44:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 14:44:56,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:56,813 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:56,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 14:44:56,814 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1918946745, now seen corresponding path program 1 times [2020-12-22 14:44:56,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:56,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409451179] [2020-12-22 14:44:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:44:57,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409451179] [2020-12-22 14:44:57,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:57,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:57,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101368499] [2020-12-22 14:44:57,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:57,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:57,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:57,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:57,267 INFO L87 Difference]: Start difference. First operand 40970 states and 57310 transitions. Second operand 3 states. [2020-12-22 14:44:58,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:58,724 INFO L93 Difference]: Finished difference Result 81945 states and 114648 transitions. [2020-12-22 14:44:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:58,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-12-22 14:44:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:58,786 INFO L225 Difference]: With dead ends: 81945 [2020-12-22 14:44:58,786 INFO L226 Difference]: Without dead ends: 40994 [2020-12-22 14:44:58,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40994 states. [2020-12-22 14:45:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40994 to 40994. [2020-12-22 14:45:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40994 states. [2020-12-22 14:45:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40994 states to 40994 states and 57334 transitions. [2020-12-22 14:45:00,400 INFO L78 Accepts]: Start accepts. Automaton has 40994 states and 57334 transitions. Word has length 135 [2020-12-22 14:45:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:00,400 INFO L481 AbstractCegarLoop]: Abstraction has 40994 states and 57334 transitions. [2020-12-22 14:45:00,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 40994 states and 57334 transitions. [2020-12-22 14:45:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 14:45:00,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:00,411 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:00,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 14:45:00,412 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:00,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:00,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1995847543, now seen corresponding path program 1 times [2020-12-22 14:45:00,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:00,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006478747] [2020-12-22 14:45:00,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 14:45:00,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006478747] [2020-12-22 14:45:00,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:00,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:45:00,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185673635] [2020-12-22 14:45:00,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:45:00,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:00,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:45:00,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:00,660 INFO L87 Difference]: Start difference. First operand 40994 states and 57334 transitions. Second operand 3 states. [2020-12-22 14:45:04,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:04,467 INFO L93 Difference]: Finished difference Result 112040 states and 156714 transitions. [2020-12-22 14:45:04,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:04,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-12-22 14:45:04,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:04,571 INFO L225 Difference]: With dead ends: 112040 [2020-12-22 14:45:04,571 INFO L226 Difference]: Without dead ends: 71065 [2020-12-22 14:45:04,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71065 states. [2020-12-22 14:45:06,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71065 to 41018. [2020-12-22 14:45:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41018 states. [2020-12-22 14:45:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41018 states to 41018 states and 57358 transitions. [2020-12-22 14:45:06,735 INFO L78 Accepts]: Start accepts. Automaton has 41018 states and 57358 transitions. Word has length 135 [2020-12-22 14:45:06,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:06,735 INFO L481 AbstractCegarLoop]: Abstraction has 41018 states and 57358 transitions. [2020-12-22 14:45:06,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 41018 states and 57358 transitions. [2020-12-22 14:45:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 14:45:06,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:06,747 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:06,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 14:45:06,747 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:06,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:06,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1309822470, now seen corresponding path program 1 times [2020-12-22 14:45:06,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:06,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797370886] [2020-12-22 14:45:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 14:45:07,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797370886] [2020-12-22 14:45:07,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:07,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:45:07,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122477041] [2020-12-22 14:45:07,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:45:07,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:07,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:45:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:45:07,210 INFO L87 Difference]: Start difference. First operand 41018 states and 57358 transitions. Second operand 5 states. [2020-12-22 14:45:10,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:10,358 INFO L93 Difference]: Finished difference Result 97653 states and 136553 transitions. [2020-12-22 14:45:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 14:45:10,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-12-22 14:45:10,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:10,436 INFO L225 Difference]: With dead ends: 97653 [2020-12-22 14:45:10,436 INFO L226 Difference]: Without dead ends: 56654 [2020-12-22 14:45:10,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 14:45:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56654 states. [2020-12-22 14:45:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56654 to 25308. [2020-12-22 14:45:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25308 states. [2020-12-22 14:45:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25308 states to 25308 states and 35398 transitions. [2020-12-22 14:45:11,735 INFO L78 Accepts]: Start accepts. Automaton has 25308 states and 35398 transitions. Word has length 135 [2020-12-22 14:45:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:11,736 INFO L481 AbstractCegarLoop]: Abstraction has 25308 states and 35398 transitions. [2020-12-22 14:45:11,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:45:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 25308 states and 35398 transitions. [2020-12-22 14:45:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-22 14:45:11,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:11,757 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:11,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 14:45:11,758 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:11,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:11,758 INFO L82 PathProgramCache]: Analyzing trace with hash -121971086, now seen corresponding path program 1 times [2020-12-22 14:45:11,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:11,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946256547] [2020-12-22 14:45:11,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:12,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-12-22 14:45:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:45:12,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946256547] [2020-12-22 14:45:12,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:12,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:45:12,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123216510] [2020-12-22 14:45:12,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:45:12,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:12,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:45:12,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:45:12,113 INFO L87 Difference]: Start difference. First operand 25308 states and 35398 transitions. Second operand 5 states. [2020-12-22 14:45:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:27,297 INFO L93 Difference]: Finished difference Result 53401 states and 74792 transitions. [2020-12-22 14:45:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 14:45:27,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-12-22 14:45:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:27,344 INFO L225 Difference]: With dead ends: 53401 [2020-12-22 14:45:27,344 INFO L226 Difference]: Without dead ends: 28112 [2020-12-22 14:45:27,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 14:45:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28112 states. [2020-12-22 14:45:28,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28112 to 25332. [2020-12-22 14:45:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25332 states. [2020-12-22 14:45:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25332 states to 25332 states and 35422 transitions. [2020-12-22 14:45:28,544 INFO L78 Accepts]: Start accepts. Automaton has 25332 states and 35422 transitions. Word has length 142 [2020-12-22 14:45:28,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:28,544 INFO L481 AbstractCegarLoop]: Abstraction has 25332 states and 35422 transitions. [2020-12-22 14:45:28,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:45:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 25332 states and 35422 transitions. [2020-12-22 14:45:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-22 14:45:28,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:28,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:28,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 14:45:28,565 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:28,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1179809164, now seen corresponding path program 1 times [2020-12-22 14:45:28,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:28,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588123081] [2020-12-22 14:45:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-12-22 14:45:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 14:45:28,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588123081] [2020-12-22 14:45:28,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:28,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:45:28,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380031778] [2020-12-22 14:45:28,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:45:28,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:28,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:45:28,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:45:28,920 INFO L87 Difference]: Start difference. First operand 25332 states and 35422 transitions. Second operand 4 states. [2020-12-22 14:45:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:50,213 INFO L93 Difference]: Finished difference Result 28102 states and 39391 transitions. [2020-12-22 14:45:50,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:45:50,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-12-22 14:45:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:50,278 INFO L225 Difference]: With dead ends: 28102 [2020-12-22 14:45:50,278 INFO L226 Difference]: Without dead ends: 28100 [2020-12-22 14:45:50,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:45:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28100 states. [2020-12-22 14:45:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28100 to 25332. [2020-12-22 14:45:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25332 states. [2020-12-22 14:45:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25332 states to 25332 states and 35418 transitions. [2020-12-22 14:45:51,452 INFO L78 Accepts]: Start accepts. Automaton has 25332 states and 35418 transitions. Word has length 142 [2020-12-22 14:45:51,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:51,453 INFO L481 AbstractCegarLoop]: Abstraction has 25332 states and 35418 transitions. [2020-12-22 14:45:51,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:45:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 25332 states and 35418 transitions. [2020-12-22 14:45:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-22 14:45:51,474 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:51,474 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:51,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 14:45:51,474 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:51,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash 135226363, now seen corresponding path program 1 times [2020-12-22 14:45:51,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:51,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725426859] [2020-12-22 14:45:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-12-22 14:45:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 14:45:52,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725426859] [2020-12-22 14:45:52,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:52,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 14:45:52,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482078268] [2020-12-22 14:45:52,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 14:45:52,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:52,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 14:45:52,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 14:45:52,037 INFO L87 Difference]: Start difference. First operand 25332 states and 35418 transitions. Second operand 8 states. [2020-12-22 14:46:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:46:24,471 INFO L93 Difference]: Finished difference Result 95708 states and 133890 transitions. [2020-12-22 14:46:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 14:46:24,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2020-12-22 14:46:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:46:24,474 INFO L225 Difference]: With dead ends: 95708 [2020-12-22 14:46:24,474 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 14:46:24,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-22 14:46:24,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 14:46:24,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 14:46:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 14:46:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 14:46:24,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2020-12-22 14:46:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:46:24,528 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 14:46:24,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 14:46:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 14:46:24,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 14:46:24,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 14:46:24,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 14:46:25,534 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:25,815 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:26,797 WARN L197 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:27,729 WARN L197 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:28,412 WARN L197 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:28,972 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:29,381 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:29,828 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:29,969 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:30,427 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:30,811 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:30,952 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:31,359 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:31,741 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:32,142 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:32,531 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:32,657 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:33,038 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:33,670 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:34,118 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:34,501 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:34,883 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:35,393 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:35,773 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:36,398 WARN L197 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:36,781 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:37,233 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:37,660 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:38,065 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:38,549 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:39,018 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:39,852 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:40,324 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:40,643 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:40,894 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,020 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,148 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,275 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,548 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,673 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:41,922 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:42,048 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:42,174 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:42,303 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:42,429 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:42,669 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:42,794 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:42,921 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:43,047 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:43,437 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:43,569 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:43,693 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:43,819 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:43,945 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,070 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,196 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,325 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,453 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,578 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:44,996 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:45,378 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:45,761 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:45,889 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-12-22 14:46:46,275 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:46,713 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:46,844 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:47,228 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:47,351 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:47,757 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:47,880 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:48,004 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:48,386 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:48,509 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:48,631 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:48,795 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:49,175 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:49,298 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:49,685 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:49,812 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-12-22 14:46:50,234 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:50,616 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:50,999 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:51,383 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:51,774 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:52,156 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:52,546 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:52,930 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:53,314 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:53,697 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:53,823 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:53,948 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:54,330 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:54,688 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:55,069 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:55,655 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:55,818 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:55,944 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:56,068 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:56,465 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:56,591 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:56,739 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:46:56,883 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:57,336 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:57,535 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:57,955 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:58,121 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:58,577 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:46:58,792 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-12-22 14:46:58,947 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,237 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,380 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,506 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,631 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,757 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:46:59,910 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,035 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,158 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:00,283 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,453 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,590 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,717 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,842 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:00,967 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:01,094 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:01,216 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:01,344 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:01,468 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:01,595 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:01,719 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:01,847 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:01,978 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:02,116 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:02,241 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:02,476 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:02,610 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:02,736 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:02,862 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:02,988 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:03,113 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:03,322 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:03,446 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:03,570 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:03,761 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:03,887 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:04,009 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:04,140 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:04,262 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:04,388 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:04,513 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:04,642 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:04,764 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:04,893 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:05,195 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:05,355 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:05,739 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:05,869 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:05,992 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:06,115 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:06,237 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:06,659 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:07,050 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:07,433 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:07,561 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:07,944 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:08,326 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:08,448 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 14:47:08,833 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:09,217 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:09,623 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:10,005 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:10,387 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:10,513 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:10,891 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:11,022 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:11,147 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:11,531 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:11,914 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:12,303 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:12,687 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:13,068 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:13,451 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:13,577 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-22 14:47:13,960 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:14,344 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:14,729 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:15,112 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:15,498 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:15,881 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:16,263 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:16,656 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:17,039 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:17,427 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:17,807 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:18,200 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:18,583 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:18,968 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:19,352 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:19,734 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:20,721 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:21,107 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169 [2020-12-22 14:47:21,492 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 169